Quiz_Random

1. In Cycas the fertilization is:

 
 
 
 

2. Wine turns sour because of:

 
 
 
 

3. Which group of plants is called “Amphibians of Plant World”?

 
 
 
 

4. All protozoans possess:

 
 
 
 

5. Which lichen is called Reindeer moss?

 
 
 
 

6. Prions are pathogens that are thought to consist solely of:

 
 
 
 

7. Coralloid roots of Cycas is distinguished from Angiosperm roots by :

 
 
 
 

8. The plants which produce embryo but lack vascular tissue and seeds are placed in :

 
 
 
 

9. Infective nature of Tobacco mosaic disease was discovered by:

 
 
 
 

10. In dinoflagellates, the two flagella are:

 
 
 
 

11. Spermatophyta are characterized by producing:

 
 
 
 

12. The chief enzyme found in the yeast cell is:

 
 
 
 

13. The leafy fern plant represents the:

 
 
 
 

14. Which type of sexual reproduction is found in C. coccifera?

 
 
 
 

15. Bacteria which are found in marshy areas and among the flora of cattle rumen are called:

 
 
 
 

16. Important feature of Spirogyra that distinguishes it from Ulothrix is :

 
 
 
 

17. Lichens show :

 
 
 
 

18. Which of the following is sago palm?

 
 
 
 

19. Nucleus in Spirogyra is suspended in the cell with the help of :

 
 
 
 

20. The cortex cells of the young ‘stem’ or axis of Funaria are :

 
 
 
 

21. Ovules are not found enclosed in ovary in :

 
 
 
 

22. Etiology includes the study of :

 
 
 
 

23. Banana bunchy top is caused by :

 
 
 
 

24. The oldest book of botanical work which now exists was written by Theophrastus. Its name is:

 
 
 
 

25. Match column I with column II and select the correct option using the codes given below:

| Column I | Column II |
|——————|—————–|
| A Citric acid | (i) Trichoderma |
| B Cyclosporin A | (ii) Clostridium|
| C Statins | (iii) Aspergillus|
| D Butyric acid | (iv) Monascus |

Codes:

| | A | B | C | D |
|——|—|—|—|—|
| (a) | i | iv| ii| iii|
| (b) | iii| iv| i | ii|
| (c) | iii| i | ii| iv|
| (d) | iii| i | iv| ii|

Answer: (d) iii, i, iv, ii

Explanation: The correct matching is:
– A Citric acid – (iii) Aspergillus
– B Cyclosporin A – (i) Trichoderma
– C Statins – (iv) Monascus
– D Butyric acid – (ii) Clostridium

179 Which of the following sets of diseases is caused by bacteria?

 
 
 
 

26. If a disease appears on a large scale after a long interval it is:

 
 
 
 

27. Bryophyta have been placed in cryptogams because:

 
 
 
 

28. Sometimes the bacterial cell is enclosed in:

 
 
 
 

29. The coralloid roots are :

 
 
 
 

30. Green plants are classified as:

 
 
 
 

31. Sporophyte of Funaria is :

 
 
 
 

32. In bacterial photosynthesis, which functions as reductant of CO₂ is:

 
 
 
 

33. Which part of Riccia bears nurse cells?

 
 
 
 

34. Pasteur is famous for his:

 
 
 
 

35. If all ponds and puddles are destroyed the organism likely to be destroyed is:

 
 
 
 

36. Virion refers to:

 
 
 
 

37. Cell walls of Gram-positive bacteria contain:

 
 
 
 

38. Pteridophyta are also called:

 
 
 
 

39. Of all organisms, the most adaptable and versatile are:

 
 
 
 

40. Development of sporophyte from gametophyte without sexual reproduction is called :

 
 
 
 

41. Which of the following is a free-living anaerobic nitrogen-fixing bacteria?

 
 
 
 

42. Which of the following have a prokaryotic cell?

 
 
 
 

43. The importance of study of parasitic fungi is that they are:

 
 
 
 

44. Botulinum toxin effects:

 
 
 
 

45. Ovules are not found enclosed in ovary of:

 
 
 
 

46. The prothallus of fern represents the plant:

 
 
 
 

47. In the five kingdom system of classification, slime molds are included in:

 
 
 
 

48. The chief characteristic of class Ascomycetes is:

 
 
 
 

49. The Rhizopus gametes are formed in:

 
 
 
 

50. Which part of the plant is not affected by Albugo?

 
 
 
 

51. Choose the correct statement about Spirogyra:

 
 
 
 

52. Among the algae kelps are :

 
 
 
 

53. In between the sex organs of Funaria are found a number of hair-like structures which are known as :

 
 
 
 

54. Certain leafless non-green branches produced from Selaginella are:

 
 
 
 

55. Reproduction in Cycas takes place by :

 
 
 
 

56. Heterocysts are found in :

 
 
 
 

57. The species which are highly restricted in distribution are called:

 
 
 
 

58. Lichens are indicators of :

 
 
 
 

59. Distinction between prokaryotes and eukaryotes is mainly based on:

 
 
 
 

60. Most primitive embryophytes are placed in :

 
 
 
 

61. The label of a herbarium sheet does not carry information of:

 
 
 
 

62. Vegetative reproduction in Cycas is by means of :

 
 
 
 

63. Late blight of potato is caused by:

 
 
 
 

64. The genetic material of poxvirus is:

 
 
 
 

65. Who is known as ‘Father of Taxonomy’?

 
 
 
 

66. Broad spectrum antibiotic is, which:

 
 
 
 

67. Conifers are adapted to tolerate extreme environmental conditions because of: (NEET 2016)

 
 
 
 

68. Spores formed at the tip of fungal hyphae are called:

 
 
 
 

69. Which is a redwood tree?

 
 
 
 

70. Sleeping sickness disease in man is caused by:

 
 
 
 

71. The first to isolate a plant virus was:

 
 
 
 

72. The megasporophyll of Cycas is equivalent to which part of Angiosperm?

 
 
 
 

73. Which one of the following is an endozoic algae?

 
 
 
 

74. A special structure is born in between the microsporophyll and microsporangium of Selaginella. It is called:

 
 
 
 

75. The ascus of yeast contains:

 
 
 
 

76. The gametophyte of fern bears:

 
 
 
 

77. All the following human diseases are due to members of the genus Clostridium except:

 
 
 
 

78. Bacteria growing on synthetic medium are called:

 
 
 
 

79. Fern phloem lacks:

 
 
 
 

80. Mycoplasma are sensitive to:

 
 
 
 

81. Protistan algae obtain their food as:

 
 
 
 

82. The five kingdom system of classification was proposed by:

 
 
 
 

83. The multinucleate and aseptate hypha of Rhizopus are known as:

 
 
 
 

84. Which is the nuclear material in bacteria?

 
 
 
 

85. The nucleus of bacteria is:

 
 
 
 

86. Each chloroplast in Spirogyra bears :

 
 
 
 

87. Fire resistant fibres and plastic are obtained from the alginates present in the cell wall of which algae?

 
 
 
 

88. Plant body is violettish-blue or blue-green in:

 
 
 
 

89. Azolla and Salvinia both are:

 
 
 
 

90. The megaspore of Selaginella on germination produces:

 
 
 
 

91. Most common type of conjugation in Spirogyra is :

 
 
 
 

92. The spermatozoids of Cycas are :

 
 
 
 

93. Lichens reproduce by :

 
 
 
 

94. Which of the following lichens is harmful?

 
 
 
 

95. Funaria can be differentiated from Cycas :

 
 
 
 

96. Winged seeds are found in :

 
 
 
 

97. Atracheata term has been used by Oswald Tippo for :

 
 
 
 

98. The archegonia of Selaginella are differentiated by:

 
 
 
 

99. Biciliate antherozoids are found in which of the following?

 
 
 
 

100. Photoautotrophic bacteria have:

 
 
 
 

101. The young leaves of Cycas have :

 
 
 
 

102. The disease symptom necrosis refers to :

 
 
 
 

103. Fertility of the soil is increased by:

 
 
 
 

104. The root nodules of leguminous plants contain:

 
 
 
 

105. The photoreceptor found at the anterior end of Chlamydomonas is:

 
 
 
 

106. Diploxylic vascular bundles are found in:

 
 
 
 

107. Mostly type of zygospore in Ulothrix is:

 
 
 
 

108. Saccharomyces is used in:

 
 
 
 

109. The truncated cone of HIV consists of:

 
 
 
 

110. Yellow vein Mosaic of Bhindi Virus (Hibiscus Virus-I) is transmitted through:

 
 
 
 

111. The life cycle of Saccharomyces ludwigii represents a typical type of life cycle:

 
 
 
 

112. In moss, sporophyte is formed on:

 
 
 
 

113. When the F-factor enters a recipient cell during conjugation, the recipient cell:

 
 
 
 

114. Oswald Tippo’s classification is:

 
 
 
 

115. Which of the following causes smut disease in wheat?

 
 
 
 

116. When a fungus is able to pass its complete life cycle on one host it is called:

 
 
 
 

117. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

118. The basal-cell by which an alga is attached to its substratum is known as :

 
 
 
 

119. The common bacterium, which lives in the human intestine is:

 
 
 
 

120. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

121. Interferon is a:

 
 
 
 

122. The seedless plants which possess vascular tissues are:

 
 
 
 

123. There is a class of phenolic compounds produced by the host plant in response to fungal infections :

 
 
 
 

124. Most of the biological names have been derived from:

 
 
 
 

125. The life cycle of Funaria is not completed without water because of:

 
 
 
 

126. In the sub genus Heterophyllum of genus Selaginella the leaves are present in:

 
 
 
 

127. Asexual reproductive bodies in some higher mycelial bacteria (eg, Actinomycetous forms) are:

 
 
 
 

128. Spermatophyta are characterized by producing:

 
 
 
 

129. Which is an exception to cell theory?

 
 
 
 

130. Common phycobiont in a lichen is :

 
 
 
 

131. Ginkgo biloba is a:

 
 
 
 

132. The gametophyte of moss has distinct phases :

 
 
 
 

133.

134. Chemoautotrophic bacteria are bacteria that derive their energy from chemical reactions and:

 
 
 
 

135. One of the distinctive feature of Spirogyra is :

 
 
 
 

136. Liverworts are included in :

 
 
 
 

137. Isomorphic type alternation of generation is found in:

 
 
 
 

138. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

139. Asexual reproductive body of Volvox is called:

 
 
 
 

140. Which is not found in bacteria?

 
 
 
 

141. Streptomycin is obtained from:

 
 
 
 

142. Which have the largest antherozoid?

 
 
 
 

143. A diseased leaf shows some areas with dead tissue. This symptom is often referred to as :

 
 
 
 

144. Which one of the following is a monocot?

 
 
 
 

145. Mycoplasma is different from bacteria due to:

 
 
 
 

146. Cycas is :

 
 
 
 

147. Acetobacter is useful in:

 
 
 
 

148. Male gametes in Dryopteris are:

 
 
 
 

149. When the gametophyte is not formed by spores but by any other part of sporophyte it is known as :

 
 
 
 

150. The plants with soft and delicate stems, about a meter tall are known as :

 
 
 
 

151. Spirogyra differs from moss protonema in having :

 
 
 
 

152. The Protists in which cell size decreases with each division are:

 
 
 
 

153. A plant which reproduces by spores, has vascular tissue but lacks flowers should belong to :

 
 
 
 

154. Fern prothallus produces:

 
 
 
 

155. Which scientist in 1884 developed a valuable method of staining the bacteria?

 
 
 
 

156. The source of litmus is :

 
 
 
 

157. Vascular cryptogams is the term used for:

 
 
 
 

158. Viroids have:

 
 
 
 

159. Antibiotic has been extracted from :

 
 
 
 

160.

161. The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals include the:

 
 
 
 

162. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

163. Economic importance of bacteria lies in their being:

 
 
 
 

164. Cycas is similar to a mustard plant :

 
 
 
 

165. Halophiles are the bacteria that require for growth:

 
 
 
 

166. Discovery of penicillin was based on:

 
 
 
 

167. Enzymes are absent in:

 
 
 
 

168. What are plasmids?

 
 
 
 

169. Elongated structure on upper cortex of lichen, having some algal and fungal partners as in main thallus is :

 
 
 
 

170. Amoeba is placed in the phylum Protozoa because of:

 
 
 
 

171. Black rust of wheat is caused by:

 
 
 
 

172. Total number of families of angiosperms in Bentham and Hooker’s system classification is:

 
 
 
 

173. Some of the species of Selaginella are commonly called:

 
 
 
 

174. The branch of Botany under which fungi are studied is known as:

 
 
 
 

175.

176. Anoxygenic photosynthesis occurs in:

 
 
 
 

177. In a diplontic life cycle:

 
 
 
 

178. The chloroplast in Ulothrix is :

 
 
 
 

179. Which of the lichen live as a crust over soil, rocks and branches of trees?

 
 
 
 

180. In Pteris, the roots are:

 
 
 
 

181. Rhizophore of Selaginella is:

 
 
 
 

182. Centric discoid form of diatom is:

 
 
 
 

183. An alga which is rich in proteins:

 
 
 
 

184. Yeast grows more rapidly in:

 
 
 
 

185. Agar-agar is obtained from:

 
 
 
 

186. Indusium in Dryopteris is:

 
 
 
 

187. Gametophyte is the main plant body in :

 
 
 
 

188. The smut mycelium which initiates the infection is usually :

 
 
 
 

189. Club moss is the common name of :

 
 
 
 

190. Which is an edible fungus?

 
 
 
 

191. Agar-agar and algin are the product of:

 
 
 
 

192. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

193. Which of the following statements is not correct?

 
 
 
 

194. The word “sea weeds” is used for:

 
 
 
 

195. A control measure prior to the appearance of a particular disease comes under :

 
 
 
 

196. Those bacteria designated microaerophilic are distinguished by their ability to grow:

 
 
 
 

197. Most of the members of the genus Bacillus are known for:

 
 
 
 

198. Which of the following structures help in retaining moisture?

 
 
 
 

199. Smut of maize is caused by :

 
 
 
 

200. Which among the following is a shrub?

 
 
 
 

201. The upper region of moss capsule is :

 
 
 
 

202. Waksman was awarded Nobel Prize for the discovery of:

 
 
 
 

203. Which statement is wrong in regard to bacteria?

 
 
 
 

204. True sexuality is not found in:

 
 
 
 

205. All the following human diseases are caused by spirochetes except:

 
 
 
 

206. Richest source of protein, becoming popular throughout world and available in the Indian market also:

 
 
 
 

207. In bryophytes and pteridophytes, transport male gametes requires:

 
 
 
 

208. Number of capsomeres forming capsid of TMV is:

 
 
 
 

209. Fruits are not found in:

 
 
 
 

210. Linnaeus is credited with introducing:

 
 
 
 

211. Which of the following causes smut disease in cultivated plants?

 
 
 
 

212. Metulae are found in:

 
 
 
 

213. Under certain circumstances, a generating cell forms aplanospores from mucilaginous mass, which encloses numerous small but uninucleated bodies; this is known as :

 
 
 
 

214. The stem of adult Cycas plant is covered with persistent leaf-bases which are :

 
 
 
 

215. The tallest living gymnosperm tree in the world belongs to :

 
 
 
 

216. What are Cyanobacteria?

 
 
 
 

217. In Herpes virus DNA is:

 
 
 
 

218. In Cycas wood most of the tissue is made up of :

 
 
 
 

219. Propagating materials like seeds, tubers, grafts and bulbs can be kept free of pathogens by :

 
 
 
 

220. The development of sporangium in Selaginella is:

 
 
 
 

221. Where are the antheridia and archegonia situated in moss?

 
 
 
 

222. The central part of Funaria axis is :

 
 
 
 

223. The biological term used to describe two organisms living together and beneficial to each other is:

 
 
 
 

224. A group of genera which show general structural resemblances to one another mainly in their floral organs is referred to as:

 
 
 
 

225. Who discovered cyanophages?

 
 
 
 

226. Bacteria are found everywhere, except:

 
 
 
 

227. Acellular slime mold is/are:

 
 
 
 

228. Meiosis in Ulothrix takes place:

 
 
 
 

229. Pinus gerardiana is :

 
 
 
 

230. Which condition is found in Cycas?

 
 
 
 

231. Which of the following does not help in penetration of pathogen into the host?

 
 
 
 

232. Ancestors of Bryophyta were some aquatic plants is clear from the fact that :

 
 
 
 

233. Late blight of potato is caused by :

 
 
 
 

234. The method of reproduction in bacterium, in which a virus participates is:

 
 
 
 

235. Photosynthetic protists belong to:

 
 
 
 

236. The sex organs that develop amongst the rhizoids of fern prothallus are:

 
 
 
 

237. Pythium debaryanum is the causative agent of:

 
 
 
 

238. Body disorders due to harmful physiological changes are known as :

 
 
 
 

239. Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature:

 
 
 
 

240. Penicillin is obtained from:

 
 
 
 

241. . Tapetum develops in:

 
 
 
 

242. All algae have:

 
 
 
 

243. The sporophyte of Riccia is represented by :

 
 
 
 

244. Cyanophage is a virus that attacks:

 
 
 
 

245. Fruiting body of lichens is :

 
 
 
 

246. Placenta in fern is:

 
 
 
 

247. Viruses are considered to be:

 
 
 
 

248. Which of the following are absent in Mycoplasma?

 
 
 
 

249. Rhizoids of Riccia are :

 
 
 
 

250. Which is a gametophytic tissue?

 
 
 
 

251. The teeth of peristome of Funaria are :

 
 
 
 

252. Select the correct statement: (NEET 2016)

 
 
 
 

253. Selaginella differs from Moss in having:

 
 
 
 

254. The zygospores formed by the conjugation of gametangia are:

 
 
 
 

255. When a diseased plant is legally stopped from export, this is done under :

 
 
 
 

256. Which of the following diseases are caused by Mycoplasma?

 
 
 
 

257. Each cell of Volvox colony has a structure, similar to:

 
 
 
 

258. Methanogens belong to:

 
 
 
 

259. If a sporangium is derived from a single cell it is called:

 
 
 
 

260. Cap cells are found in the filament of:

 
 
 
 

261. Which organisms are the oldest life forms?

 
 
 
 

262. Red rot of sugarcane is caused by:

 
 
 
 

263. Total parasites belong to:

 
 
 
 

264. The capsid of TMV is made-up of nearly:

 
 
 
 

265. The microsporophyll of Selaginella are the forerunners of which structure of Angiosperms?

 
 
 
 

266. A control measure prior to the appearance of a particular disease comes under:

 
 
 
 

267. Retting is a process, by which bacteria bring about the:

 
 
 
 

268. In Pteris, the sporophytic generation begins from and ends with the formation of spore mother cells:

 
 
 
 

269. Who discovered streptomycin?

 
 
 
 

270. Which of the following is wrong for fungi? (NEET 2016)

 
 
 
 

271. Which group of plants have spores, vascular bundles but no flowers?

 
 
 
 

272. Which bacteria convert nitrate into nitrogen?

 
 
 
 

273. The sori of Dryopteris are covered by a thick multicellular covering known as:

 
 
 
 

274. An Hfr bacterium is one that contains:

 
 
 
 

275. Where does meiosis occur in yeast?

 
 
 
 

276. The alga, Spirogyra are found in :

 
 
 
 

277. The leaf of Cycas shows:

 
 
 
 

278. Which of the following protein is associated with prion disease?

 
 
 
 

279. If the sporangia in a sorus are in different stages of development and are intermixed, this condition is called:

 
 
 
 

280. Black rust of wheat is caused by:

 
 
 
 

281. Which part of the plant is not affected by Albugo?

 
 
 
 

282. Bacteria were first discovered by:

 
 
 
 

283. Yeast is a source of:

 
 
 
 

284. Funaria is a Bryophyta because :

 
 
 
 

285. The fungi that grow on wood are called:

 
 
 
 

286. Marsilea quadrifolia has only four leaflets. It is a:

 
 
 
 

287. The inability of a plant to resist the effects of a pathogen or any other damaging factors is known as :

 
 
 
 

288. Cyathia is characterized by:

 
 
 
 

289. Nannandria are:

 
 
 
 

290. The prothallus of fern is:

 
 
 
 

291. Bacteria differ from viruses in being sensitive to:

 
 
 
 

292. Pythium debaryanum is the causative agent of:

 
 
 
 

293. Members of the genera Azotobacter and Rhizobium are important because they:

 
 
 
 

294. Those bacteria believed to have lived during the earliest years of the Earth belong to the group:

 
 
 
 

295. Which of the following is a monocot?

 
 
 
 

296. On germination, each zygospore of Spirogyra divides meiotically into four, but the number of filaments produced is :

 
 
 
 

297. The leaves of Funaria are :

 
 
 
 

298. AIDS (= Acquired Immune Deficiency Syndrome) is caused by:

 
 
 
 

299. Climbers are found in genus:

 
 
 
 

300. E coli is a:

 
 
 
 

301. The total number of families of Angiosperm in Hutchinson’s classification are:

 
 
 
 

302. Infective part of virus was discovered by:

 
 
 
 

303. Heterosporous pteridophytes always form:

 
 
 
 

304. The protonema which is not formed from spores is known as :

 
 
 
 

305. Which of the following is a beneficial activity of microorganisms?

 
 
 
 

306. Desired type of Cycas can be grown by:

 
 
 
 

307. Yeast belongs to class:

 
 
 
 

308. Nitrogen-fixing bacteria may be located:

 
 
 
 

309. Soil fertility is lost by the activities of:

 
 
 
 

310. Formation of gametophyte-like structure from sporophyte without reduction division is called (i.e., without formation of spores):

 
 
 
 

311. Citrus canker is caused by:

 
 
 
 

312. Bentham and Hooker placed gymnosperms:

 
 
 
 

313. Which are non-seed-bearing vascular plants?

 
 
 
 

314. Gram stain is used to:

 
 
 
 

315. Viruses are commonly transmitted in plants through:

 
 
 
 

316. Downy mildew disease is caused by :

 
 
 
 

317. Which is the correct statement about Selaginella?

 
 
 
 

318. The leaves of Funaria are :

 
 
 
 

319. To sterilize glassware and the culture medium, which equipment is used?

 
 
 
 

320. The phloem of vascular system of Cycas is :

 
 
 
 

321. Master-slave relationship between fungi and algae in the lichens is called :

 
 
 
 

322. Which is not true for Escherichia coli?

 
 
 
 

323. Ectocarpus produces:

 
 
 
 

324. Ovary is absent in:

 
 
 
 

325. The scientist who created the group Protista for both unicellular plants and animals, was:

 
 
 
 

326. All archaebacteria lack:

 
 
 
 

327. Leprosy is caused by:

 
 
 
 

328. The stele of Dryopteris is a:

 
 
 
 

329. Among the currently used drugs for treating tuberculosis are:

 
 
 
 

330. Which are non-seed-bearing vascular plants?

 
 
 
 

331. Water bloom is generally caused by :

 
 
 
 

332. In young stage sporophyte of fern absorbs food from the prothallus through:

 
 
 
 

333. Which of the following is the most destructive enemies of mankind?

 
 
 
 

334. If moss protonema is formed from capsule cells it will be :

 
 
 
 

335. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

336. Pseudomycelium is found in:

 
 
 
 

337. When the seeds are borne on megasporophylls and are not enclosed in a fruit, the plant belongs to :

 
 
 
 

338. Lichens reproduce by :

 
 
 
 

339. Which is a group of ancient photosynthetic prokaryotes which give oxygen during photosynthesis?

 
 
 
 

340. Which of the following is true for viruses?

 
 
 
 

341. The antheridia of fern are different from that of moss in the sense that they produce:

 
 
 
 

342. The stem-like character of rhizophore of Selaginella is:

 
 
 
 

343. When an infection is very wide in occurrence, it is called :

 
 
 
 

344. . In Bryophytes and Pteridophytes, transport of male gametes requires: (NEET 2016)

 
 
 
 

345. Rhizopus, which is saprophytic by nature, is also known as:

 
 
 
 

346. Blue-green algae, which live as endozoic in protozoans are called :

 
 
 
 

347. Pollination drop is:

 
 
 
 

348. Azolla growing in paddy fields helps in:

 
 
 
 

349. Which type of sexual reproduction is found in C. debaryana?

 
 
 
 

350. The fungi used as food are:

 
 
 
 

351. Fruits are not found in Cycas because:

 
 
 
 

352. The flagella of Chlamydomonas are:

 
 
 
 

353. NBG of Lucknow is now named as:

 
 
 
 

354. In moss, reduction division occurs in :

 
 
 
 

355. The site where the protein coat of virus is synthesized is:

 
 
 
 

356. Chemosynthetic bacteria are:

 
 
 
 

357. Diphtheria is caused by:

 
 
 
 

358. The order generally ends with:

 
 
 
 

359. Circular DNA is seen in:

 
 
 
 

360. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

361. Ex situ conservation of endangered wildlife flora and fauna is possible through:

 
 
 
 

362. Columella is a specialized sterile structure found in sporangium of:

 
 
 
 

363. The estimated length of DNA molecule in E. coli is:

 
 
 
 

364. Why is Cycas called a living fossil?

 
 
 
 

365. Simple polyembryony is found in :

 
 
 
 

366. In which of the following plants is the sporophyte a dominant phase in the life cycle?

 
 
 
 

367. In prokaryotes, the mitochondria are absent. Even then Krebs’ cycle takes place. What is the site of Krebs’ cycle in bacteria?

 
 
 
 

368. Which is not likely to be found on sea shore?

 
 
 
 

369. The microsporophylls on the cone of Cycas are :

 
 
 
 

370. Which group of algae have an incipient nucleus?

 
 
 
 

371. Virus and bacteriophage are made-up of:

 
 
 
 

372. Bacteria which convert elemental nitrogen into nitrogenous substances are:

 
 
 
 

373. Which of the following can be said to be the precursor of seed-bearing plants?

 
 
 
 

374. The gametophyte of fern is as:

 
 
 
 

375. Zygospores may not be produced in Rhizopus due to:

 
 
 
 

376. The plants of Funaria grow :

 
 
 
 

377. Saccharomyces is well known for:

 
 
 
 

378. If a disease appear on large scale after a long interval it is :

 
 
 
 

379. A characteristic spore of Agaricus, a mushroom is known as:

 
 
 
 

380. To introduce a foreign gene in a plant, which one is used?

 
 
 
 

381. The fact that best supports the concept that viruses are living is that viruses:

 
 
 
 

382. Which of the following plants does not belong to Embryophyta?

 
 
 
 

383. The chief characteristic of fern leaf is that they:

 
 
 
 

384. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

385. Lichens form the first community in

 
 
 
 

386. ‘Die naturlichen Pflanzen Familien’ which runs into 20 volumes was written by:

 
 
 
 

387. Leptothrix is an example of iron bacteria Which of the following statements best fit the iron bacteria?

 
 
 
 

388. Severe famine of West Bengal of 1942-43 was due to destruction of rice crop by a fungus called :

 
 
 
 

389. A disease is an abnormal state that may result due to:

 
 
 
 

390. Lichens are the indicator of pollution :

 
 
 
 

391. The chief function of the indusium of the fern is:

 
 
 
 

392. Spores of which plants have chloroplast:

 
 
 
 

393. Pteridophytes as a group differ from Bryophytes and Thallophytes in having:

 
 
 
 

394. Botulism is a:

 
 
 
 

395. . In Oswald and Tippo’s system of classification, Pteropsida does not include:

 
 
 
 

396. Mixed cropping helps :

 
 
 
 

397. The main characteristic that distinguishes a Spirogyra cell from a Ulothrix cell is :

 
 
 
 

398. In the life of all plant groups, the first cell of gametophytic generation is:

 
 
 
 

399. Which of the following is not a viral disease?

 
 
 
 

400. Pasteurized milk is:

 
 
 
 

401. Polystelic condition is found in:

 
 
 
 

402. What is the reserve food material in chlorophycean algae?

 
 
 
 

403. Smallpox is caused by:

 
 
 
 

404. Embryophyta includes :

 
 
 
 

405. The largest alga is:

 
 
 
 

406. Ovules are not found enclosed in ovary in :

 
 
 
 

407. Clostridium can:

 
 
 
 

408. Penicillin was discovered by:

 
 
 
 

409.

 

410. Special feature of pollen grains of Pinus is :

 
 
 
 

411. The xylem of stele of fern rhizome is made up of:

 
 
 
 

412. There are some dead and corky areas with definite margins on the stem, branches and fruits of lemon. This disease should be :

 
 
 
 

413. Kuru, a human disease is caused by:

 
 
 
 

414. Winged pollen grains are found in :

 
 
 
 

415. Bacteriophages have been used as:

 
 
 
 

416. Absorptive nutrition is:

 
 
 
 

417. Lichens are ecologically important because :

 
 
 
 

418. Reserve food in Euglena is:

 
 
 
 

419. Pinus is:

 
 
 
 

420. In which of the following, RNA is double stranded:

 
 
 
 

421. Bivalved siliceous shell or frustule occur in:

 
 
 
 

422. Which of the following is true for Selaginella?

 
 
 
 

423. In Selaginella, the microsporangia are:

 
 
 
 

424. Meristele of fern is:

 
 
 
 

425. Most of the algae along with other submerged plants usually float on water during the day time, while they sink at night, because :

 
 
 
 

426. If a sporangium developed from a group of cells it is called:

 
 
 
 

427. If the sporangia in a sorus are in the same stage of development it is called:

 
 
 
 

428. Helotism word is used for the symbiosis between :

 
 
 
 

429. Enteric bacteria are those bacteria that live:

 
 
 
 

430. The smallest unit of classification is:

 
 
 
 

431. Doctors usually boil their syringe and other surgical instruments before use:

 
 
 
 

432. In Cycas, the vascular bundle of a leaflet is :

 
 
 
 

433. To which country Antony van Leeuwenhoek belong?

 
 
 
 

434. How a fern differs from a moss?

 
 
 
 

435. Most of the lichens are composed of :

 
 
 
 

436. Chief constituents of bordeaux mixture are :

 
 
 
 

437. Transfusion tissue is present in the leaflet of:

 
 
 
 

438. The common name of Funaria, by which it is generally known, is :

 
 
 
 

439. In which of the following diploid stage is usually dominant?

 
 
 
 

440. Multicellular and jacketed sex organs are found in :

 
 
 
 

441. The cell wall of bacteria is made-up of:

 
 
 
 

442. On the basis of distribution of algal component in the thallus, lichens are classified as :

 
 
 
 

443. The orders generally have the uniform endings:

 
 
 
 

444. Which of the following is a heterosporous pteridophyte?

 
 
 
 

445. In moss, sporogenous tissue arises from:

 
 
 
 

446. Who among the following discovered virus?

 
 
 
 

447. Spirogyra is commonly known by the name of ‘Pond scum’ or ‘Pond silk’ because :

 
 
 
 

448. Bacteria are considered to be plants because they:

 
 
 
 

449. D.C. Gajdusek was awarded the Nobel Prize for discovery of prion based diseases in:

 
 
 
 

450. The science of study of bacteria is known as bacteriology. The name bacteria was first of all given by:

 
 
 
 

451. Detailed study of bacteriophage was made by:

 
 
 
 

452. For the archegonium of Pinus which statement is true?

 
 
 
 

453. The columella of moss is the region of moss capsule :

 
 
 
 

454. The male gametes of Pinus are :

 
 
 
 

455. Sweet scented lichen thalli used for making soaps, cosmetics are :

 
 
 
 

456. Germination of the seed of Pinus is :

 
 
 
 

457. The group algae possesses representatives belonging to kingdom:

 
 
 
 

458. The two conjugating gametangia of Rhizopus are:

 
 
 
 

459. Fern prothallus is:

 
 
 
 

460. Sometimes a ladder-like structure is exhibited in Spirogyra due to :

 
 
 
 

461. Cycas revoluta is widely grown as :

 
 
 
 

462. A plant bears fruit, has a column of vascular bundle and a tap root system. This plant is a :

 
 
 
 

463. Mycoplasma was discovered by:

 
 
 
 

464. Siphonogamy is found in:

 
 
 
 

465. White rust of crucifers is caused by:

 
 
 
 

466. Diatoms are not destroyed easily like other algae, because:

 
 
 
 

467. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

468. System of classification proposed by Bentham and Hooker is:

 
 
 
 

469. In a bacteriophage, DNA is present in:

 
 
 
 

470. The fern plant is:

 
 
 
 

471. Which disease is caused by the bacterium Treponema pallidum?

 
 
 
 

472. Club moss and Peat moss belong to:

 
 
 
 

473. Which character in a Cycas leaflet indicates its xerophytic nature?

 
 
 
 

474. Red rot of sugarcane is caused by :

 
 
 
 

475. At least two billion years, nearly half the age of Earth, the only organisms that existed were:

 
 
 
 

476. Haplo-diplo-haplontic type triphasic life cycle occurs in:

 
 
 
 

477. Prof. R.N. Singh has noteworthy contributions in the field of:

 
 
 
 

478. Quarantine regulations are concerned with:

 
 
 
 

479. Maximum diversity of life forms occurs in :

 
 
 
 

480. The most important property of yeast is:

 
 
 
 

481. Shedding of pollen grains in Pinus takes place at :

 
 
 
 

482. In Molecular Biology, E coli has been used in studying:

 
 
 
 

483. In which of the following plants would you place heterotrophs like slime moulds, rusts, mushrooms, etc.?

 
 
 
 

484. Gymnosperms could also be called as:

 
 
 
 

485. The sporangia of Selaginella are attached:

 
 
 
 

486. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

487. In which of the following, isogamy, anisogamy and oogamy all are found?

 
 
 
 

488. India possesses wide biodiversity of flora and fauna. It is mainly due to its:

 
 
 
 

489. Chrysanthemum stunt disease and potato spindle tuber disease are caused by:

 
 
 
 

490. Pollination in Cycas takes place by :

 
 
 
 

491. Severe famine of West Bengal of 1942-43 was due to destruction of rice crop by a fungus called:

 
 
 
 

492. Infective portion of a virus is nucleic acid, this was discovered by:

 
 
 
 

493. Mycelium is the name given to the plant body of:

 
 
 
 

494. Water-borne bacterial diseases are:

 
 
 
 

495. Vascular cryptogam is the term used for :

 
 
 
 

496. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

497. Substances obtained from microorganisms and used to inhibit the growth of other microorganisms are:

 
 
 
 

498. Cocci types of bacteria are:

 
 
 
 

499. In moss, conducting tissue is made up of

 
 
 
 

500. Sometimes a gamete of Rhizopus functions as zygospore. It is known as:

 
 
 
 

501. In Cycas which structure is equivalent to stamen?

 
 
 
 

502. The bacterial decomposition of nitrogenous organic compounds in the absence of abundant oxygen usually results in the formation of substances of offensive odor, chiefly sulfur compounds. Such anaerobic decomposition is called:

 
 
 
 

503. Which one is the smallest organism capable of autonomous growth and reproduction?

 
 
 
 

504. The fungi are mostly:

 
 
 
 

505. The antibiotic is obtained from:

 
 
 
 

506. In plants, the substances which accumulate around the site of infection are :

 
 
 
 

507. Certain enzymes like reverse transcriptase, integrase and protease are found in:

 
 
 
 

508. Select the wrong statement:

 
 
 
 

509. Milk is converted to curd by:

 
 
 
 

510. For the disease of red stripe of sugarcane the bacterium responsible is:

 
 
 
 

511. Which functions as hydrogen donor in photosynthetic green sulfur bacteria?

 
 
 
 

512. In Gymnocarpeae the fruiting body is :

 
 
 
 

513. The tallest moss in the world is :

 
 
 
 

514. Who discovered heterothallism in fungi?

 
 
 
 

515. Which of the following disease is caused by virus?

 
 
 
 

516. The sporangium of fern contains nearly:

 
 
 
 

517. Genetic material of TMV is:

 
 
 
 

518. Which of the following shows heterotrichous habit?

 
 
 
 

519. Sporophyte of fern is:

 
 
 
 

520. Ovary is absent in :

 
 
 
 

521. Most primitive embryophytes are placed in:

 
 
 
 

522. Select the wrong statement:

 
 
 
 

523. Diaminopimelic acid and muramic acid are constituents of cell walls in:

 
 
 
 

524. In Funaria :

 
 
 
 

525. The heart-shaped prothallus of Dryopteris is always:

 
 
 
 

526. Coenogamete is found in:

 
 
 
 

527. A plant bears fruit, has a column of vascular bundle and a tap root system. This plant is a:

 
 
 
 

528. Most primitive group of vascular plants are:

 
 
 
 

529. Reproduction in Rhizopus is:

 
 
 
 

530. What is mycorrhiza?

 
 
 
 

531. Early blight of potato is caused by:

 
 
 
 

532. The DNA of E coli is:

 
 
 
 

533. Proembryo in Pinus is :

 
 
 
 

534. Which among the following is known as Father of Indian phycology?

 
 
 
 

535. The secondary xylem of the vascular bundles of Cycas is usually :

 
 
 
 

536. Usually, bacteria reproduce by:

 
 
 
 

537. Chemicals which are applied soon after the outset of infection, suppress the development of pathogen, thus curing the plant, are called :

 
 
 
 

538. Which family of bacteria can decompose a wide variety of organic compounds, natural or man-made, including inert ones like hydrocarbons? This property has actually been used by scientists to reduce pollution such as that from petroleum spillage:

 
 
 
 

539. The middle sterile part of capsule is called:

 
 
 
 

540. The structure formed by the bacterial genome is generally called as:

 
 
 
 

541. Sexual reproduction in Rhizopus is by:

 
 
 
 

542. The spores of Funaria on germination give rise to :

 
 
 
 

543. What is streptomycin?

 
 
 
 

544. “Families of flowering plants” Vol I (1926) and Vol II (1934) was written by:

 
 
 
 

545. Scientific name of Mango is Mangifera indica L. Here L represents:

 
 
 
 

546. The number of neck canal cells in archegonium of Selaginella is:

 
 
 
 

547. A part of pathogen that is transmitted to the host is termed as :

 
 
 
 

548. Seeds are characteristically found in:

 
 
 
 

549. All but one group are included in tracheophyta; which group is this :

 
 
 
 

550. The sporophyte of Riccia is :

 
 
 
 

551. Facultative saprophyte is:

 
 
 
 

552. The number of neck canal cells in Cycas are:

 
 
 
 

553. A plasmid found in some bacteria can integrate reversibly with the chromosome of its host and then it behaves as part of the host chromosome, multiplying with it What is this plasmid known as?

 
 
 
 

554. Rhizopus is also commonly known by the name of:

 
 
 
 

555. The causal organism of early blight of potato is :

 
 
 
 

556. The chloroplast of Chlamydomonas are:

 
 
 
 

557. Germ theory of disease was proposed by:

 
 
 
 

558. Oswald Tippo’s classification was based on :

 
 
 
 

559. Lichen show :

 
 
 
 

560. In pteridophytes, meiosis occurs at the stage of:

 
 
 
 

561. A gill of Agaricus:

 
 
 
 

562. Which of the following are included in Tracheophyta?

 
 
 
 

563. In Cycas:

 
 
 
 

564. The capsule of fern sporangium bursts at a place called:

 
 
 
 

565. ‘Red snow’ is caused by which of the following in alpine region?

 
 
 
 

566. Protists which are diploid reproduce sexually by:

 
 
 
 

567. Cycas is:

 
 
 
 

568. The developing embryo in Selaginella derives its food from:

 
 
 
 

569. Which is a tautonym?

 
 
 
 

570. Which type of sexual reproduction is found in C. brauni?

 
 
 
 

571. Bacteria species of Thiobacillus and Beggiatoa play an important role in the:

 
 
 
 

572. Facultative parasite is:

 
 
 
 

573. Disease resistant plant varieties can be produced by :

 
 
 
 

574. An excessive enlargement of diseased organ because of increase in the number of cells is called :

 
 
 
 

575. Chemosynthetic bacteria are:

 
 
 
 

576. A lichen having a branching form and growing either prostrate or erect on the ground is called :

 
 
 
 

577. Psilotum is:

 
 
 
 

578. Funaria is :

 
 
 
 

579. In order to label the coat alone but not the nucleic acid the bacteriophage should be grown on E. coli cells previously cultured on a medium containing:

 
 
 
 

580. The process of transformation in bacteria does not require:

 
 
 
 

581. Which is a fungicide?

 
 
 
 

582. Bacteria which are spherical are called:

 
 
 
 

583. First animal pathogenic virus was discovered by:

 
 
 
 

584. Cellular slime mold is:

 
 
 
 

585. The sori bearing leaves of fern are known as:

 
 
 
 

586. According to the fossil record, which event has occurred most recently?

 
 
 
 

587. Binomial system of nomenclature means that every organism has:

 
 
 
 

588. In which order of Gymnosperms only fossils are present?

 
 
 
 

589. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

590. The Rhizopus is:

 
 
 
 

591. Red rot of sugarcane is caused by :

 
 
 
 

592. In the two kingdom system of classification, Euglena is included in:

 
 
 
 

593. A microbiologist found that some bacteria infected by phages had developed the ability to make a particular amino acid that they could not make before. This ability was probably a result of:

 
 
 
 

594. Citrus canker is caused by :

 
 
 
 

595. To which class Riccia belongs :

 
 
 
 

596. What is special feature of fern archegonia?

 
 
 
 

597. Sexual reproduction of lichen is due to :

 
 
 
 

598. Zoogametes are not found in:

 
 
 
 

599. The chromosomal number in:

 
 
 
 

600. Which is absent from the xylem of Cycas?

 
 
 
 

601. What is the role of nitrifying bacteria?

 
 
 
 

602. Mycoplasma are:

 
 
 
 

603. How is moss different from fern?

 
 
 
 

604. Parmelia belongs to :

 
 
 
 

605. Protozoans are considered animals because these are:

 
 
 
 

606. What is the position of neck canal cells in Pinus?

 
 
 
 

607. A branch of science that deals with nature, symptoms, development and control of plant diseases is called :

 
 
 
 

608. Typhoid in man is caused by:

 
 
 
 

609. Adaxial outgrowth from the base of the leaf of Selaginella is:

 
 
 
 

610. The reserve food in yeast is in the form of:

 
 
 
 

611. Which of the following is necessary for the process of conjugation in bacteria?

 
 
 
 

612. A structure in lichen that is similar to stomata in function is :

 
 
 
 

613. Aflatoxin is produced as a product in :

 
 
 
 

614. In which of the following, RNA is the genetic material?

 
 
 
 

615. Disease-resistant plant varieties can be produced by:

 
 
 
 

616. The spur of Pinus roxburghii has :

 
 
 
 

617. ‘Pond silk’ or ‘Water silk’ is the common name of :

 
 
 
 

618. Bryophyta have a special character from other plants:

 
 
 
 

619. Which one of the following belong to cryptogams only:

 
 
 
 

620. The vascular bundles of Cycas stem are :

 
 
 
 

621. RNA particle causing symptoms like that of a virus disease are known as:

 
 
 
 

622. The specific genes found on the plasmids of E coli are:

 
 
 
 

623. The role of meiosis is for:

 
 
 
 

624. Mycoplasma contains:

 
 
 
 

625. In angiosperms double fertilization represents:

 
 
 
 

626. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

627. Group of viruses, which attack members of Myxophyceae are termed as:

 
 
 
 

628. The sexual reproductive organs in Rhizopus are:

 
 
 
 

629. Cyanobacteria, unlike other types of bacteria that photosynthesize and:

 
 
 
 

630. All but one group are included in tracheophyta; which group is this?

 
 
 
 

631. The antheridia in Funaria are formed at the apex of the male shoot in :

 
 
 
 

632. Viruses have:

 
 
 
 

633. Borrelia burgdorferi is noted for its ability to cause:

 
 
 
 

634. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

635. The stem and petiole are covered with numerous brownish scale-like structures which are called:

 
 
 
 

636. Which of the following does not contain chlorophyll?

 
 
 
 

637. Ulothrix produces :

 
 
 
 

638. Agar-agar, a common substance used in research is obtained from :

 
 
 
 

639. Which of the following plants does not belong to Embryophyta?

 
 
 
 

640. The smallest bacterium is:

 
 
 
 

641. The development of Selaginella embryo is:

 
 
 
 

642. Which of the following are included in Tracheophyta?

 
 
 
 

643. A perennial that bears flowers and fruits once in a life time is known as :

 
 
 
 

644. Name the scientist who gave dual hypothesis for lichens?

 
 
 
 

645. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

646. LSD is:

 
 
 
 

647. Heterospory is the production of:

 
 
 
 

648. System of classification presented by a Russian botanist A. Takhtajan is:

 
 
 
 

649. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

650. Inverted omega-shaped arrangement of vascular bundles is found in :

 
 
 
 

651. Some bacteria cannot be killed easily because of:

 
 
 
 

652. Chrysophytes, Euglenoides, Dinoflagellates, and slime molds are included in the kingdom:

 
 
 
 

653. Which type of sexual reproduction is found in Volvox?

 
 
 
 

654. The mycelium of Rhizopus is:

 
 
 
 

655. Longest known virus is:

 
 
 
 

656. Embryo formation is not known in :

 
 
 
 

657. Who named prion?

 
 
 
 

658. The rhizoids of Funaria are :

 
 
 
 

659. Nonmotile, thin-walled spores of algae are called :

 
 
 
 

660. Non-porous wood for furniture is produced by:

 
 
 
 

661. The disease occurring more or less regularly from year to year in a particular locality is referred to as :

 
 
 
 

662. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

663. Black rust of wheat is caused by:

 
 
 
 

664. Some of the species of Selaginella perennate by means of:

 
 
 
 

665. The decomposition of organic compounds in the presence of O2 and without the development of odoriferous substances is called:

 
 
 
 

666. Antibiotics cure the disease by:

 
 
 
 

667. Cycas has two cotyledons but even then it is not classified as a dicot:

 
 
 
 

668. The bacteria that can spoil under-processed canned food are:

 
 
 
 

669. In binomial system most of the words are:

 
 
 
 

670. Pteridophytes are also known as :

 
 
 
 

671. Fern plants are:

 
 
 
 

672. The lichens growing on rocks are called :

 
 
 
 

673. Little leaf disease of Brinjal is caused by:

 
 
 
 

674. Fungi have been separated from kingdom Protista on the basis of:

 
 
 
 

675. Pasteurization of milk involves heating for:

 
 
 
 

676. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

677. Amoeba is a member of the phylum:

 
 
 
 

678. In moss, calyptra is formed from:

 
 
 
 

679. In Gymnosperms endosperm is a:

 
 
 
 

680. Funaria are commonly found :

 
 
 
 

681. TMV was isolated in crystalline form by:

 
 
 
 

682. The seed known by the name of ‘chilgoza’ that is used as dry fruit belongs to :

 
 
 
 

683. Which class of Protozoa includes all parasitic forms?

 
 
 
 

684. Standard size of a herbarium sheet is:

 
 
 
 

685. The fungi are usually:

 
 
 
 

686. The sori in Dryopteris are found on:

 
 
 
 

687. Parthenium hysterophorus is a native of South America but it grows luxuriantly in most of the area of India. In India, it is considered as:

 
 
 
 

688. The sporangiophores in Rhizopus are:

 
 
 
 

689. Aflatoxin is produced by:

 
 
 
 

690. It is sometimes seen that conjugation between two hyphae of Rhizopus does not take place even in most favourable conditions because:

 
 
 
 

691. Mucilaginous canals in Cycas are found in :

 
 
 
 

692. Cycas is different from mango in :

 
 
 
 

693. Which one of the following statement is wrong?

 
 
 
 

694. Endemic plants are characterised by their:

 
 
 
 

695. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

696. The spores which are formed in the sporangium of Rhizopus are:

 
 
 
 

697. Majority of lichens are :

 
 
 
 

698. One of the major components of the cell wall of most fungi is: (NEET 2016)

 
 
 
 

699. The megasporangium of Selaginella is:

 
 
 
 

700. Sometimes different authors give different names to one and the same species. In such a situation:

 
 
 
 

701. In tracheophyta:

 
 
 
 

702. Pneumonia is caused by:

 
 
 
 

703. Members of the genus Streptococcus are responsible for cases of:

 
 
 
 

704. The zoospores of Ulothrix are :

 
 
 
 

705. The bacteria, which are smallest in size are:

 
 
 
 

706. The thread-like body of Nostoc filament without mucilage sheath is called :

 
 
 
 

707. Bacteria which are highly spiral in shape are called:

 
 
 
 

708. At the time of germination of zygospore in Spirogyra:

 
 
 
 

709. Evidence in support of root-like nature of Selaginella rhizophore is:

 
 
 
 

710. Green plants are classified as :

 
 
 
 

711. When milk or other products are heated for about half an hour at about 62°C and then cooled, the process is called:

 
 
 
 

712. In moss, stomata are found:

 
 
 
 

713. Spirogyra represents the :

 
 
 
 

714. The structure produced from germination of a microspore of Selaginella is:

 
 
 
 

715. Leaf spot of groundnut is caused by :

 
 
 
 

716. The antherozoids of Funaria are :

 
 
 
 

717. The term stele was given by:

 
 
 
 

718. The mature ligule has a prominent basal portion called:

 
 
 
 

719. Funaria is :

 
 
 
 

720. The male cone of Cycas is made up of a group of :

 
 
 
 

721. Leaves of pea show white powdery patches due to the growth of fungal mycelium with conidia and conidiophores. These are the symptoms of :

 
 
 
 

722. An infectious agent associated with certain mammalian degenerative disease that is composed solely of protein, is known as:

 
 
 
 

723. Dryopteris prothallus is bisexual but the type of gametic union is generally by:

 
 
 
 

724. The disease apple scab is caused by:

 
 
 
 

725. Fairy ring is the name given to:

 
 
 
 

726. John Hutchinson divided dicots into two divisions:

 
 
 
 

727. Which fixes atmospheric nitrogen?

 
 
 
 

728. A substance (a low molecular weight protein) produced by host cells in response to viral infection, that protects other cells against further viral infection is:

 
 
 
 

729. Most primitive kind of flower is represented by:

 
 
 
 

730. Zygote which divides by meiotic division (zygotic meiosis occurs in):

 
 
 
 

731. Dicot leaf-like reticulate venation occurs in leaves of:

 
 
 
 

732. Photosynthetic bacteria have:

 
 
 
 

733. A disease is abnormal state that may result due to :

 
 
 
 

734. Cleavage polyembryony is found in :

 
 
 
 

735. Lichens are pioneers of vegetation in a :

 
 
 
 

736. Which of the following is correct regarding AIDS causative agent HIV? (NEET 2016)

 
 
 
 

737. The penicillin family of antibiotics is used primarily against:

 
 
 
 

738. Synzoospore is produced in:

 
 
 
 

739. Pinus microsporophyll bears:

 
 
 
 

740. In Funaria, the leaves are arranged on the axis:

 
 
 
 

741. Which is not the characteristic feature in Spirogyra life history?

 
 
 
 

742. The archegonia in Selaginella develop on:

 
 
 
 

743. Genera Plantarum which appeared in three volumes from 1862-1883 was written by:

 
 
 
 

744. The most common method of vegetative reproduction in yeast is:

 
 
 
 

745. Which causes red tide?

 
 
 
 

746. In Pteris, the archegonia are present:

 
 
 
 

747. Rhizopus belongs to:

 
 
 
 

748. Iodine is obtained from :

 
 
 
 

749. Streptomyces falls under:

 
 
 
 

750. Some biologists have used the term Mycetozoa for:

 
 
 
 

751. Name the scientist who called viruses as “Contagium vivum fluidum”:

 
 
 
 

752. One of the algae can be used as food in the space flight. It is :

 
 
 
 

753. Which of the following organisms has characters of both animals and plants?

 
 
 
 

754. Which of the following organism has characters of both animals and plants?

 
 
 
 

755. Which of the following have algal zone?

 
 
 
 

756. Usually bacteria do not require light for synthesis of food:

 
 
 
 

757. Who is known as ‘Father of Taxonomy’?

 
 
 
 

758. Cycas plant in appearance resembles :

 
 
 
 

759. Most of the algae are :

 
 
 
 

760. Small epidermal swellings due to infection are called :

 
 
 
 

761. Which group of plants have spores, vascular bundles and no seeds?

 
 
 
 

762. The similarity between cyanobacteria and bacteria:

 
 
 
 

763. Rice, pea, potato are :

 
 
 
 

764. Capsella bursa-pastoris exhibit a life cycle which is:

 
 
 
 

765. Green plants without root, stem and leaves, but with a simple usually filamentous plant body are called:

 
 
 
 

766. Iodine is obtained from:

 
 
 
 

767. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

768. Ergot is obtained from :

 
 
 
 

769. The megasporangia of Selaginella can be identified due to their:

 
 
 
 

770. The chief characteristic of bryophyta is that :

 
 
 
 

771. Which of the following is not a correct match?

 
 
 
 

772. Which of the following statement is correct?

 
 
 
 

773. The photosynthetic protists are:

 
 
 
 

774. Under suitable conditions, some bacteria are capable of reproducing by binary fission once every half hour. Suppose you placed a single bacterium in a culture medium and it (and its descendants) proceeded to reproduce at this rate. How many bacteria would be present after 5 hours?

 
 
 
 

775. What is absent in Deuteromycetes?

 
 
 
 

776. What is a vector?

 
 
 
 

777. In which group would you place a plant that reproduces by spores, develops embryo but plant body remains undifferentiated into root, stem and leaves?

 
 
 
 

778. A number of short stalked sporangia attached with placenta and covered by indusium is called:

 
 
 
 

779. A group of plants with similar characteristics of any rank is termed:

 
 
 
 

780. Rhizopus and yeast are usually:

 
 
 
 

781. The zygospore in Rhizopus on germination forms:

 
 
 
 

782. Ergot of rye is caused by:

 
 
 
 

783. In bacterial chromosome, the nucleic acid polymers are:

 
 
 
 

784. The gametophyte produced by apospory is :

 
 
 
 

785. Substances released by some bacteria to cause toxicity in host are:

 
 
 
 

786. John Hutchinson, who was associated with Royal Botanical Garden, Kew, England, initially gave his system of classification in:

 
 
 
 

787. The bacteria that cause tetanus can be killed only by prolonged heating at temperatures considerably above boiling. This suggests that tetanus bacteria:

 
 
 
 

788. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

789. Generic name of mango is:

 
 
 
 

790. The number of androcytes in male prothallus of Selaginella are:

 
 
 
 

791. An organism that lacks plastids, even then it manufactures its own food material:

 
 
 
 

792. Roots are absent in :

 
 
 
 

793. Fern and Cycas are similar in the presence of:

 
 
 
 

794. Tautonyms are illegitimate in:

 
 
 
 

795. According to Woese, fungi were placed in the domain :

 
 
 
 

796. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

797. Saccharomyces ludwigii ascus produces:

 
 
 
 

798. The roots of Cycas are :

 
 
 
 

799. Seeds are characteristically found in :

 
 
 
 

800. Which one of the following temperatures would most likely kill a mesophile?

 
 
 
 

801. Mycoplasmas are not viruses in nature because:

 
 
 
 

802. The foliose lichens are attached to substratum by means of :

 
 
 
 

803. Plasmids are:

 
 
 
 

804. Yeast is different from Rhizopus and Penicillium in being:

 
 
 
 

805. Triple antigen injection or vaccine are for:

 
 
 
 

806. Which is the hydrogen donor in the bacterial photosynthesis?

 
 
 
 

807. Redness of red sea is due to :

 
 
 
 

808. Fruits are not found in :

 
 
 
 

809. Male gametophyte of Selaginella is found:

 
 
 
 

810. The smallest known agent of a plant disease is:

 
 
 
 

811. Most appropriate word for protozoans is:

 
 
 
 

812. Which of the following would appear as the pioneer organism on bare rocks :

 
 
 
 

813. Genetically engineered bacteria have been successfully used in the commercial production of:

 
 
 
 

814. Bacteriophage consists of:

 
 
 
 

815. Heterospory and ligulate leaves are a feature of:

 
 
 
 

816. Plant body is diploid and meiosis occurs in diploid gametangia at the time of formation of gametes in:

 
 
 
 

817. Which of the following structures help in respiration of lichens?

 
 
 
 

818. Most resistant spore in bacteria is:

 
 
 
 

819. Some diseases caused by bacteria are:

 
 
 
 

820. Vascular tissue is found in :

 
 
 
 

821. Embryophyta includes:

 
 
 
 

822. The scientist who is famous for his research on rust fungi in India is :

 
 
 
 

823. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

824. The pathogen that causes covered smut of Sorghum is :

 
 
 
 

825. A plant which reproduces by spores, has vascular tissue but lacks flowers should belong to:

 
 
 
 

826. An excessive enlargement of diseased organ because of increase in the number of cells is called:

 
 
 
 

827. In Cycas microsporangia are borne on:

 
 
 
 

828. Characters drawn from flowers are mainly used as basis for classification in seed plants because:

 
 
 
 

829. The mode of nutrition of bacteria is usually:

 
 
 
 

830. Pollination in Pinus is :

 
 
 
 

831. The parasitic fungi take their nutrition from their host with the help of:

 
 
 
 

832. Which of the following plants does not have archegonium?

 
 
 
 

833. Atracheata term has been used by O. Swiald Tippo for:

 
 
 
 

834. Bacteria are placed under:

 
 
 
 

835. Ethylene oxide is widely used to:

 
 
 
 

836. Which plays an important role in the dispersal of spores in Funaria?

 
 
 
 

837. Water-net is the name of:

 
 
 
 

838. Woody climbers are known as :

 
 
 
 

839. The tree fern is:

 
 
 
 

840. The lambda phase is a:

 
 
 
 

841. The ferns are usually found:

 
 
 
 

842. Heterotrichous habit means :

 
 
 
 

843. Which of the following is not a fungal disease?

 
 
 
 

844. Eligulate, eusporangiate, homosporous, protostelic pteridophyte is:

 
 
 
 

845. The virus responsible for AIDS is an example of a (an):

 
 
 
 

846. Which of the following characteristics is associated with specialized transduction?

 
 
 
 

847. Beijerinck isolated a free living nitrogen fixer bacterium, named:

 
 
 
 

848. For purposes of microbial control, the term sterilization implies:

 
 
 
 

849. For the production of which microbial action is not required?

 
 
 
 

850. Certain bacteria are able to thrive under extreme environmental conditions such as the absence of oxygen, high salt concentration, high temperature, or highly acidic environment What are these bacteria called?

 
 
 
 

851. The number of cotyledons in the embryo of Pinus are :

 
 
 
 

852. In moss, peristomial teeth are:

 
 
 
 

853. An English surgeon believed that microorganisms of the air caused infection in the wound and to avoid the infection, he used carbolic acid and hence he became the father of modern antiseptic surgery. His name is:

 
 
 
 

854. Bacteria that are pathogenic in the body grow at temperatures:

 
 
 
 

855. Nitrifying bacteria play an important role by converting:

 
 
 
 

856. In Funaria, calyptra is derived from :

 
 
 
 

857. Which of the following is the kingdom of multicellular producers?

 
 
 
 

858. Which of the following is a parasitic algae?

 
 
 
 

859. Megasporophylls of Pteridophyta are comparable to which structure of Angiosperms?

 
 
 
 

860. Which of the following applies to Selaginella?

 
 
 
 

861. The largest known bacterium is:

 
 
 
 

862. The most primitive vascular plants is:

 
 
 
 

863. The green upright sterile hair-like structures among the antheridia in moss are known as :

 
 
 
 

864. Cryptogams include :