Quiz_Random

1. Winged pollen grains are found in :

 
 
 
 

2. Pythium debaryanum is the causative agent of:

 
 
 
 

3. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

4. Roots are absent in :

 
 
 
 

5. Water-borne bacterial diseases are:

 
 
 
 

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

 
 
 
 

7. 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?

 
 
 
 

8. What is the role of nitrifying bacteria?

 
 
 
 

9. Typhoid in man is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. In moss, stomata are found:

 
 
 
 

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

 
 
 
 

14. Pollination in Pinus is :

 
 
 
 

15. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

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

 
 
 
 

17. The mode of nutrition of bacteria is usually:

 
 
 
 

18. The rhizoids of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. The central part of Funaria axis is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Cocci types of bacteria are:

 
 
 
 

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

 
 
 
 

29. In angiosperms double fertilization represents:

 
 
 
 

30. Yeast is a source of:

 
 
 
 

31. Which of the following statements is not correct?

 
 
 
 

32. Enteric bacteria are those bacteria that live:

 
 
 
 

33. Usually, bacteria reproduce by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Amoeba is a member of the phylum:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. The sporangiophores in Rhizopus are:

 
 
 
 

42. The largest alga is:

 
 
 
 

43. Bacteria which are spherical are called:

 
 
 
 

44. Pinus gerardiana is :

 
 
 
 

45. In Cycas the fertilization is:

 
 
 
 

46. All archaebacteria lack:

 
 
 
 

47. Pseudomycelium is found in:

 
 
 
 

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

 
 
 
 

49. Funaria are commonly found :

 
 
 
 

50. Pollination drop is:

 
 
 
 

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

 
 
 
 

52. Cellular slime mold is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. In Cycas:

 
 
 
 

58. The sporangia of Selaginella are attached:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Lichens are the indicator of pollution :

 
 
 
 

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

 
 
 
 

64. Facultative parasite is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Rhizopus belongs to:

 
 
 
 

68. The two conjugating gametangia of Rhizopus are:

 
 
 
 

69. Heterospory and ligulate leaves are a feature of:

 
 
 
 

70. Embryophyta includes :

 
 
 
 

71. Green plants are classified as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

76. Which condition is found in Cycas?

 
 
 
 

77. The leafy fern plant represents the:

 
 
 
 

78. Germ theory of disease was proposed by:

 
 
 
 

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

 
 
 
 

80. Halophiles are the bacteria that require for growth:

 
 
 
 

81. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

83. Yeast belongs to class:

 
 
 
 

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

 
 
 
 

85. Saccharomyces ludwigii ascus produces:

 
 
 
 

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

 
 
 
 

87. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

92. The disease apple scab is caused by:

 
 
 
 

93. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

94. Economic importance of bacteria lies in their being:

 
 
 
 

95. Which of the following are absent in Mycoplasma?

 
 
 
 

96. Redness of red sea is due to :

 
 
 
 

97. Ergot of rye is caused by:

 
 
 
 

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

 
 
 
 

99. Sporophyte of Funaria is :

 
 
 
 

100. Reserve food in Euglena is:

 
 
 
 

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

 
 
 
 

102. The prothallus of fern is:

 
 
 
 

103. The antherozoids of Funaria are :

 
 
 
 

104. Mucilaginous canals in Cycas are found in :

 
 
 
 

105. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

107. In moss, sporophyte is formed on:

 
 
 
 

108. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

111. Heterocysts are found in :

 
 
 
 

112.

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

 
 
 
 

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

 
 
 
 

115. One of the distinctive feature of Spirogyra is :

 
 
 
 

116. Circular DNA is seen in:

 
 
 
 

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

 
 
 
 

118. Which of the following applies to Selaginella?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

121. Nitrifying bacteria play an important role by converting:

 
 
 
 

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

 
 
 
 

123. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

124. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

125. In Funaria :

 
 
 
 

126. Male gametes in Dryopteris are:

 
 
 
 

127. Soil fertility is lost by the activities of:

 
 
 
 

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

 
 
 
 

129. Where does meiosis occur in yeast?

 
 
 
 

130. Which of the following have algal zone?

 
 
 
 

131. Select the wrong statement:

 
 
 
 

132. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

133. Lichens show :

 
 
 
 

134. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

137. Aflatoxin is produced by:

 
 
 
 

138. Who named prion?

 
 
 
 

139. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

142. Transfusion tissue is present in the leaflet of:

 
 
 
 

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

 
 
 
 

144. Spirogyra represents the :

 
 
 
 

145. Choose the correct statement about Spirogyra:

 
 
 
 

146. Sexual reproduction of lichen is due to :

 
 
 
 

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

 
 
 
 

148. Botulism is a:

 
 
 
 

149. TMV was isolated in crystalline form by:

 
 
 
 

150. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

153. The fungi that grow on wood are called:

 
 
 
 

154. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

156. The lambda phase is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

162. The chromosomal number in:

 
 
 
 

163. The plants of Funaria grow :

 
 
 
 

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

 
 
 
 

165. Leaf spot of groundnut is caused by :

 
 
 
 

166. Which of the following is a parasitic algae?

 
 
 
 

167. Spirogyra differs from moss protonema in having :

 
 
 
 

168. Gymnosperms could also be called as:

 
 
 
 

169. In moss, conducting tissue is made up of

 
 
 
 

170. Late blight of potato is caused by:

 
 
 
 

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

 
 
 
 

172. Which among the following is a shrub?

 
 
 
 

173. The mycelium of Rhizopus is:

 
 
 
 

174. The archegonia of Selaginella are differentiated by:

 
 
 
 

175. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

177. Penicillin is obtained from:

 
 
 
 

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

 
 
 
 

179. In moss, reduction division occurs in :

 
 
 
 

180. Why is Cycas called a living fossil?

 
 
 
 

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

 
 
 
 

182. Banana bunchy top is caused by :

 
 
 
 

183. Pasteurization of milk involves heating for:

 
 
 
 

184. Rhizophore of Selaginella is:

 
 
 
 

185. Which lichen is called Reindeer moss?

 
 
 
 

186. Virion refers to:

 
 
 
 

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

 
 
 
 

188. Mycoplasma contains:

 
 
 
 

189. Ergot is obtained from :

 
 
 
 

190. Penicillin was discovered by:

 
 
 
 

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

 
 
 
 

192. Cryptogams include :

 
 
 
 

193. Standard size of a herbarium sheet is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

197. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

198. Lichens are ecologically important because :

 
 
 
 

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

 
 
 
 

200. Cycas revoluta is widely grown as :

 
 
 
 

201. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

203. The most important property of yeast is:

 
 
 
 

204. Cap cells are found in the filament of:

 
 
 
 

205. Oswald Tippo’s classification was based on :

 
 
 
 

206. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

208. Pneumonia is caused by:

 
 
 
 

209. The gametophyte of fern is as:

 
 
 
 

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

 
 
 
 

211. Infective part of virus was discovered by:

 
 
 
 

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

 
 
 
 

213. Chief constituents of bordeaux mixture are :

 
 
 
 

214. Pythium debaryanum is the causative agent of:

 
 
 
 

215. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

217. Rhizopus and yeast are usually:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

220. The photosynthetic protists are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

224. Vascular cryptogams is the term used for:

 
 
 
 

225. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

227. Each chloroplast in Spirogyra bears :

 
 
 
 

228. In Gymnocarpeae the fruiting body is :

 
 
 
 

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

 
 
 
 

230. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

234. Antibiotics cure the disease by:

 
 
 
 

235. Citrus canker is caused by:

 
 
 
 

236. The chief characteristic of bryophyta is that :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

240. Woody climbers are known as :

 
 
 
 

241. Black rust of wheat is caused by:

 
 
 
 

242. Tautonyms are illegitimate in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

245. Some biologists have used the term Mycetozoa for:

 
 
 
 

246. Mycoplasma was discovered by:

 
 
 
 

247. Which is not true for Escherichia coli?

 
 
 
 

248. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

250. The sporophyte of Riccia is :

 
 
 
 

251. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

254. Downy mildew disease is caused by :

 
 
 
 

255. Milk is converted to curd by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

258. Which is the nuclear material in bacteria?

 
 
 
 

259. Lichens reproduce by :

 
 
 
 

260. Common phycobiont in a lichen is :

 
 
 
 

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

 
 
 
 

262. The fungi used as food are:

 
 
 
 

263. Pasteur is famous for his:

 
 
 
 

264. Which group of algae have an incipient nucleus?

 
 
 
 

265. What is absent in Deuteromycetes?

 
 
 
 

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

 
 
 
 

267. 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:

 
 
 
 

268. Viruses are commonly transmitted in plants through:

 
 
 
 

269. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

270. Cyanophage is a virus that attacks:

 
 
 
 

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

 
 
 
 

272. Lichens reproduce by :

 
 
 
 

273. Genetic material of TMV is:

 
 
 
 

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

 
 
 
 

275. Saccharomyces is used in:

 
 
 
 

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

 
 
 
 

277. Triple antigen injection or vaccine are for:

 
 
 
 

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

 
 
 
 

279. The tallest moss in the world is :

 
 
 
 

280. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

281. Total parasites belong to:

 
 
 
 

282. How a fern differs from a moss?

 
 
 
 

283. Male gametophyte of Selaginella is found:

 
 
 
 

284. Which part of Riccia bears nurse cells?

 
 
 
 

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

 
 
 
 

286. In Gymnosperms endosperm is a:

 
 
 
 

287. Kuru, a human disease is caused by:

 
 
 
 

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

 
 
 
 

289. Seeds are characteristically found in:

 
 
 
 

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

 
 
 
 

291. Cycas is similar to a mustard plant :

 
 
 
 

292. The sporophyte of Riccia is represented by :

 
 
 
 

293. Red rot of sugarcane is caused by :

 
 
 
 

294. John Hutchinson divided dicots into two divisions:

 
 
 
 

295. Ethylene oxide is widely used to:

 
 
 
 

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

 
 
 
 

297. Broad spectrum antibiotic is, which:

 
 
 
 

298. In Selaginella, the microsporangia are:

 
 
 
 

299. Who among the following discovered virus?

 
 
 
 

300.

301. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

302. Bacteria were first discovered by:

 
 
 
 

303. Lichen show :

 
 
 
 

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

 
 
 
 

305. Fruiting body of lichens is :

 
 
 
 

306. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

309. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

311. Small epidermal swellings due to infection are called :

 
 
 
 

312. Sleeping sickness disease in man is caused by:

 
 
 
 

313. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

315. Sporophyte of fern is:

 
 
 
 

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

 
 
 
 

317. Which class of Protozoa includes all parasitic forms?

 
 
 
 

318. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

320. Protists which are diploid reproduce sexually by:

 
 
 
 

321. Nannandria are:

 
 
 
 

322. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

323. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

330. Number of capsomeres forming capsid of TMV is:

 
 
 
 

331. The gametophyte produced by apospory is :

 
 
 
 

332. What is a vector?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

335. Fern phloem lacks:

 
 
 
 

336. Pasteurized milk is:

 
 
 
 

337. Select the correct statement: (NEET 2016)

 
 
 
 

338. Which is a gametophytic tissue?

 
 
 
 

339. Azolla growing in paddy fields helps in:

 
 
 
 

340. White rust of crucifers is caused by:

 
 
 
 

341. Majority of lichens are :

 
 
 
 

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

 
 
 
 

343. Funaria is a Bryophyta because :

 
 
 
 

344. NBG of Lucknow is now named as:

 
 
 
 

345. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

347. Liverworts are included in :

 
 
 
 

348. Germination of the seed of Pinus is :

 
 
 
 

349. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

352. Sexual reproduction in Rhizopus is by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

356. Saccharomyces is well known for:

 
 
 
 

357. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

361. Absorptive nutrition is:

 
 
 
 

362. Embryophyta includes:

 
 
 
 

363. First animal pathogenic virus was discovered by:

 
 
 
 

364. To which class Riccia belongs :

 
 
 
 

365. Bacteriophages have been used as:

 
 
 
 

366. Cyathia is characterized by:

 
 
 
 

367. Which statement is wrong in regard to bacteria?

 
 
 
 

368. Generic name of mango is:

 
 
 
 

369. Photosynthetic bacteria have:

 
 
 
 

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

 
 
 
 

371. Bacteria are considered to be plants because they:

 
 
 
 

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

 
 
 
 

373. Fertility of the soil is increased by:

 
 
 
 

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

 
 
 
 

375. Which have the largest antherozoid?

 
 
 
 

376. Special feature of pollen grains of Pinus is :

 
 
 
 

377. In Herpes virus DNA is:

 
 
 
 

378. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

383. Fruits are not found in Cycas because:

 
 
 
 

384. Rhizoids of Riccia are :

 
 
 
 

385. Chemosynthetic bacteria are:

 
 
 
 

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

 
 
 
 

387. The Rhizopus gametes are formed in:

 
 
 
 

388. All protozoans possess:

 
 
 
 

389. Which is not found in bacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

395. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

397. Heterotrichous habit means :

 
 
 
 

398. The fungi are usually:

 
 
 
 

399. Most of the algae are :

 
 
 
 

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

 
 
 
 

401. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

403. Photoautotrophic bacteria have:

 
 
 
 

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

 
 
 
 

405. Detailed study of bacteriophage was made by:

 
 
 
 

406. The Rhizopus is:

 
 
 
 

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

 
 
 
 

408. The smallest unit of classification is:

 
 
 
 

409. Anoxygenic photosynthesis occurs in:

 
 
 
 

410. Ovary is absent in:

 
 
 
 

411. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

414. Bacteria are found everywhere, except:

 
 
 
 

415. The order generally ends with:

 
 
 
 

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

 
 
 
 

417. Citrus canker is caused by :

 
 
 
 

418. The lichens growing on rocks are called :

 
 
 
 

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

 
 
 
 

420. In moss, calyptra is formed from:

 
 
 
 

421. Lichens form the first community in

 
 
 
 

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

 
 
 
 

423. Most of the lichens are composed of :

 
 
 
 

424. In dinoflagellates, the two flagella are:

 
 
 
 

425. The development of sporangium in Selaginella is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

428. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

433. Which of the following statement is correct?

 
 
 
 

434. Cycas is:

 
 
 
 

435. Psilotum is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

438. The DNA of E coli is:

 
 
 
 

439. Agar-agar is obtained from:

 
 
 
 

440. Bentham and Hooker placed gymnosperms:

 
 
 
 

441. Reproduction in Rhizopus is:

 
 
 
 

442. Longest known virus is:

 
 
 
 

443. Green plants are classified as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

447. The spermatozoids of Cycas are :

 
 
 
 

448. LSD is:

 
 
 
 

449. The microsporophylls on the cone of Cycas are :

 
 
 
 

450. Lichens are indicators of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

453. Nitrogen-fixing bacteria may be located:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

456. Methanogens belong to:

 
 
 
 

457. The gametophyte of moss has distinct phases :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

460. In Cycas microsporangia are borne on:

 
 
 
 

461. Azolla and Salvinia both are:

 
 
 
 

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

 
 
 
 

463. Bryophyta have a special character from other plants:

 
 
 
 

464. Wine turns sour because of:

 
 
 
 

465. Indusium in Dryopteris is:

 
 
 
 

466. In Funaria, calyptra is derived from :

 
 
 
 

467. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

468. The spur of Pinus roxburghii has :

 
 
 
 

469. Discovery of penicillin was based on:

 
 
 
 

470. What is mycorrhiza?

 
 
 
 

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

 
 
 
 

472. Meristele of fern is:

 
 
 
 

473. The development of Selaginella embryo is:

 
 
 
 

474. In moss, peristomial teeth are:

 
 
 
 

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

 
 
 
 

476. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

477. Clostridium can:

 
 
 
 

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

 
 
 
 

479. To which country Antony van Leeuwenhoek belong?

 
 
 
 

480. Bacteria growing on synthetic medium are called:

 
 
 
 

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

 
 
 
 

482. Pteridophytes are also known as :

 
 
 
 

483. The most primitive vascular plants is:

 
 
 
 

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

 
 
 
 

485. In Pteris, the archegonia are present:

 
 
 
 

486. Linnaeus is credited with introducing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

492. Photosynthetic protists belong to:

 
 
 
 

493. Which is the correct statement about Selaginella?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

497. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

500. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

502. Cycas is different from mango in :

 
 
 
 

503. Who discovered heterothallism in fungi?

 
 
 
 

504. Ovules are not found enclosed in ovary of:

 
 
 
 

505. Water-net is the name of:

 
 
 
 

506. Aflatoxin is produced as a product in :

 
 
 
 

507. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

511. Most primitive group of vascular plants are:

 
 
 
 

512. Which fixes atmospheric nitrogen?

 
 
 
 

513. Facultative saprophyte is:

 
 
 
 

514. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

515. Cell walls of Gram-positive bacteria contain:

 
 
 
 

516. Which is absent from the xylem of Cycas?

 
 
 
 

517. The genetic material of poxvirus is:

 
 
 
 

518. Select the wrong statement:

 
 
 
 

519. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

524. Spores of which plants have chloroplast:

 
 
 
 

525. Fern prothallus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

530. Winged seeds are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

533. Simple polyembryony is found in :

 
 
 
 

534. The upper region of moss capsule is :

 
 
 
 

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

 
 
 
 

536. 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?

 
 
 
 

537. Desired type of Cycas can be grown by:

 
 
 
 

538. Little leaf disease of Brinjal is caused by:

 
 
 
 

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

 
 
 
 

540. Synzoospore is produced in:

 
 
 
 

541.

 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

545. The root nodules of leguminous plants contain:

 
 
 
 

546. The first to isolate a plant virus was:

 
 
 
 

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

 
 
 
 

548. Virus and bacteriophage are made-up of:

 
 
 
 

549. Leprosy is caused by:

 
 
 
 

550. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

554. The largest known bacterium is:

 
 
 
 

555. Which of the following are included in Tracheophyta?

 
 
 
 

556. The fern plant is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

559. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

562. The similarity between cyanobacteria and bacteria:

 
 
 
 

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

 
 
 
 

564. The teeth of peristome of Funaria are :

 
 
 
 

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

 
 
 
 

566. Pinus is:

 
 
 
 

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

 
 
 
 

568. Which bacteria convert nitrate into nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

571. What are Cyanobacteria?

 
 
 
 

572. Coenogamete is found in:

 
 
 
 

573. Water bloom is generally caused by :

 
 
 
 

574. Protistan algae obtain their food as:

 
 
 
 

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

 
 
 
 

576. Iodine is obtained from :

 
 
 
 

577. Spermatophyta are characterized by producing:

 
 
 
 

578. Ovary is absent in :

 
 
 
 

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

 
 
 
 

580. Viruses have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

584. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

586. Red rot of sugarcane is caused by:

 
 
 
 

587. Metulae are found in:

 
 
 
 

588. Centric discoid form of diatom is:

 
 
 
 

589. Black rust of wheat is caused by:

 
 
 
 

590. Among the algae kelps are :

 
 
 
 

591. Diphtheria is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

596. The leaves of Funaria are :

 
 
 
 

597. Endemic plants are characterised by their:

 
 
 
 

598. Which of the following is sago palm?

 
 
 
 

599. A gill of Agaricus:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

604. The prothallus of fern represents the plant:

 
 
 
 

605. The roots of Cycas are :

 
 
 
 

606. Lichens are pioneers of vegetation in a :

 
 
 
 

607. How is moss different from fern?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

610. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

613. The megaspore of Selaginella on germination produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

617. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

620. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

622. Which causes red tide?

 
 
 
 

623. The nucleus of bacteria is:

 
 
 
 

624. Viruses are considered to be:

 
 
 
 

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

 
 
 
 

626. Funaria is :

 
 
 
 

627. All algae have:

 
 
 
 

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

 
 
 
 

629. Which is an edible fungus?

 
 
 
 

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

 
 
 
 

631. Most primitive embryophytes are placed in :

 
 
 
 

632. Acetobacter is useful in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

638. Which is a fungicide?

 
 
 
 

639. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

642. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

644. Selaginella differs from Moss in having:

 
 
 
 

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

 
 
 
 

646. Mycoplasma are:

 
 
 
 

647. 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:

 
 
 
 

648. Some diseases caused by bacteria are:

 
 
 
 

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

 
 
 
 

650. Protozoans are considered animals because these are:

 
 
 
 

651. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

655. The megasporangium of Selaginella is:

 
 
 
 

656. Viroids have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

659. The fungi are mostly:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

663. Which of the following lichens is harmful?

 
 
 
 

664. The male gametes of Pinus are :

 
 
 
 

665. Most resistant spore in bacteria is:

 
 
 
 

666. Funaria can be differentiated from Cycas :

 
 
 
 

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

 
 
 
 

668. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

670. Which of the following is true for viruses?

 
 
 
 

671. Smallpox is caused by:

 
 
 
 

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

 
 
 
 

673. Helotism word is used for the symbiosis between :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

676. Mycoplasmas are not viruses in nature because:

 
 
 
 

677. Meiosis in Ulothrix takes place:

 
 
 
 

678. Pteridophyta are also called:

 
 
 
 

679. Early blight of potato is caused by:

 
 
 
 

680. The phloem of vascular system of Cycas is :

 
 
 
 

681. In Pteris, the roots are:

 
 
 
 

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

 
 
 
 

683. Chemosynthetic bacteria are:

 
 
 
 

684. Pollination in Cycas takes place by :

 
 
 
 

685. Which is a redwood tree?

 
 
 
 

686. 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:

 
 
 
 

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

 
 
 
 

688. The group algae possesses representatives belonging to kingdom:

 
 
 
 

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

 
 
 
 

690. Sometimes the bacterial cell is enclosed in:

 
 
 
 

691. Which organisms are the oldest life forms?

 
 
 
 

692. The sporangium of fern contains nearly:

 
 
 
 

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

 
 
 
 

694. Ovules are not found enclosed in ovary in :

 
 
 
 

695. . Tapetum develops in:

 
 
 
 

696. What are plasmids?

 
 
 
 

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

 
 
 
 

698. Bacteria differ from viruses in being sensitive to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

704. Interferon is a:

 
 
 
 

705. Cycas is :

 
 
 
 

706. Mycoplasma is different from bacteria due to:

 
 
 
 

707. Who discovered streptomycin?

 
 
 
 

708. The ascus of yeast contains:

 
 
 
 

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

 
 
 
 

710. Enzymes are absent in:

 
 
 
 

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

 
 
 
 

712. Zoogametes are not found in:

 
 
 
 

713. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

715. Most appropriate word for protozoans is:

 
 
 
 

716. The stele of Dryopteris is a:

 
 
 
 

717. Parmelia belongs to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

720. Gametophyte is the main plant body in :

 
 
 
 

721. The chief characteristic of class Ascomycetes is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

725. Most primitive embryophytes are placed in:

 
 
 
 

726. 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?

 
 
 
 

727. Polystelic condition is found in:

 
 
 
 

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

 
 
 
 

729. Oswald Tippo’s classification is:

 
 
 
 

730.

731. In binomial system most of the words are:

 
 
 
 

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

 
 
 
 

733. Fern prothallus produces:

 
 
 
 

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

 
 
 
 

735. The flagella of Chlamydomonas are:

 
 
 
 

736. In Cycas which structure is equivalent to stamen?

 
 
 
 

737. The term stele was given by:

 
 
 
 

738. In tracheophyta:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

741. Acellular slime mold is/are:

 
 
 
 

742. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

746. Bacteria are placed under:

 
 
 
 

747. Ulothrix produces :

 
 
 
 

748. The zygospore in Rhizopus on germination forms:

 
 
 
 

749. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

751. The leaf of Cycas shows:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

754. Spermatophyta are characterized by producing:

 
 
 
 

755. What is streptomycin?

 
 
 
 

756. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

758. Streptomyces falls under:

 
 
 
 

759. Plasmids are:

 
 
 
 

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

 
 
 
 

761. Gram stain is used to:

 
 
 
 

762. The orders generally have the uniform endings:

 
 
 
 

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

 
 
 
 

764. The sori in Dryopteris are found on:

 
 
 
 

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

 
 
 
 

766. Bivalved siliceous shell or frustule occur in:

 
 
 
 

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

 
 
 
 

768. Streptomycin is obtained from:

 
 
 
 

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

 
 
 
 

770. The young leaves of Cycas have :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

774. Iodine is obtained from:

 
 
 
 

775. What is special feature of fern archegonia?

 
 
 
 

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

 
 
 
 

777. Etiology includes the study of :

 
 
 
 

778. Who discovered cyanophages?

 
 
 
 

779. The source of litmus is :

 
 
 
 

780. The sexual reproductive organs in Rhizopus are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

783. 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:

 
 
 
 

784. Heterospory is the production of:

 
 
 
 

785. Some bacteria cannot be killed easily because of:

 
 
 
 

786. The gametophyte of fern bears:

 
 
 
 

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

 
 
 
 

788. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

789. The antibiotic is obtained from:

 
 
 
 

790. The role of meiosis is for:

 
 
 
 

791. Most primitive kind of flower is represented by:

 
 
 
 

792. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

793. Placenta in fern is:

 
 
 
 

794. Fruits are not found in :

 
 
 
 

795. Mycoplasma are sensitive to:

 
 
 
 

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

 
 
 
 

797. In a bacteriophage, DNA is present in:

 
 
 
 

798. Which is an exception to cell theory?

 
 
 
 

799. Seeds are characteristically found in :

 
 
 
 

800. Fruits are not found in:

 
 
 
 

801. Yeast grows more rapidly in:

 
 
 
 

802. Heterosporous pteridophytes always form:

 
 
 
 

803. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

806. In a diplontic life cycle:

 
 
 
 

807. Fairy ring is the name given to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

811. The tree fern is:

 
 
 
 

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

 
 
 
 

813. The ferns are usually found:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

816. Cleavage polyembryony is found in :

 
 
 
 

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

 
 
 
 

818. The seedless plants which possess vascular tissues are:

 
 
 
 

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

 
 
 
 

820. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

822. The truncated cone of HIV consists of:

 
 
 
 

823. An Hfr bacterium is one that contains:

 
 
 
 

824. The middle sterile part of capsule is called:

 
 
 
 

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

 
 
 
 

826. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

828. The smallest bacterium is:

 
 
 
 

829. Fern plants are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

832. The archegonia in Selaginella develop on:

 
 
 
 

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

 
 
 
 

834. Which is a tautonym?

 
 
 
 

835. Reproduction in Cycas takes place by :

 
 
 
 

836. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

837. Vegetative reproduction in Cycas is by means of :

 
 
 
 

838. Which of the following is a heterosporous pteridophyte?

 
 
 
 

839. Botulinum toxin effects:

 
 
 
 

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

 
 
 
 

841. Bacteriophage consists of:

 
 
 
 

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

 
 
 
 

843. 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?

 
 
 
 

844. E coli is a:

 
 
 
 

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

 
 
 
 

846. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

851. Funaria is :

 
 
 
 

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

 
 
 
 

853. In moss, sporogenous tissue arises from:

 
 
 
 

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

 
 
 
 

855. The chloroplast in Ulothrix is :

 
 
 
 

856. The coralloid roots are :

 
 
 
 

857. Which of the following is true for Selaginella?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

863. 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:

 
 
 
 

864. Siphonogamy is found in: