Quiz_Random

1. Lichens are indicators of :

 
 
 
 

2. Mucilaginous canals in Cycas are found in :

 
 
 
 

3. Which have the largest antherozoid?

 
 
 
 

4. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

5. Siphonogamy is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Wine turns sour because of:

 
 
 
 

10. In dinoflagellates, the two flagella are:

 
 
 
 

11. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

13. Most resistant spore in bacteria is:

 
 
 
 

14. Helotism word is used for the symbiosis between :

 
 
 
 

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

 
 
 
 

16. Mycoplasma was discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

21. Broad spectrum antibiotic is, which:

 
 
 
 

22. Most primitive embryophytes are placed in:

 
 
 
 

23. Reserve food in Euglena is:

 
 
 
 

24. In Cycas microsporangia are borne on:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Sporophyte of Funaria is :

 
 
 
 

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

 
 
 
 

31. In Pteris, the archegonia are present:

 
 
 
 

32. Lichens are pioneers of vegetation in a :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Citrus canker is caused by:

 
 
 
 

36. Which lichen is called Reindeer moss?

 
 
 
 

37. The prothallus of fern represents the plant:

 
 
 
 

38. Sexual reproduction in Rhizopus is by:

 
 
 
 

39. Selaginella differs from Moss in having:

 
 
 
 

40. Red rot of sugarcane is caused by :

 
 
 
 

41. Most primitive group of vascular plants are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. An Hfr bacterium is one that contains:

 
 
 
 

45. Acetobacter is useful in:

 
 
 
 

46. The zoospores of Ulothrix are :

 
 
 
 

47. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. The sporangium of fern contains nearly:

 
 
 
 

51. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

53. Which is an exception to cell theory?

 
 
 
 

54. The gametophyte of fern is as:

 
 
 
 

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

 
 
 
 

56. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

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

 
 
 
 

58. Generic name of mango is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Ergot of rye is caused by:

 
 
 
 

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

 
 
 
 

64. Winged pollen grains are found in :

 
 
 
 

65. Winged seeds are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. E coli is a:

 
 
 
 

71. The smallest unit of classification is:

 
 
 
 

72. Which class of Protozoa includes all parasitic forms?

 
 
 
 

73. Early blight of potato is caused by:

 
 
 
 

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

 
 
 
 

75. 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:

 
 
 
 

76. Saccharomyces is well known for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. The development of sporangium in Selaginella is:

 
 
 
 

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

 
 
 
 

81. Cycas is different from mango in :

 
 
 
 

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

 
 
 
 

83. Streptomyces falls under:

 
 
 
 

84. Funaria is a Bryophyta because :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

87. In angiosperms double fertilization represents:

 
 
 
 

88. John Hutchinson divided dicots into two divisions:

 
 
 
 

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

 
 
 
 

90. 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?

 
 
 
 

91. Pinus gerardiana is :

 
 
 
 

92. 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:

 
 
 
 

93. Funaria is :

 
 
 
 

94. The fungi that grow on wood are called:

 
 
 
 

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

 
 
 
 

96. Water bloom is generally caused by :

 
 
 
 

97. 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?

 
 
 
 

98. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

102. The sporophyte of Riccia is represented by :

 
 
 
 

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

 
 
 
 

104. The sporangia of Selaginella are attached:

 
 
 
 

105. Diphtheria is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

108. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

109. Leprosy is caused by:

 
 
 
 

110. The central part of Funaria axis is :

 
 
 
 

111. Fruits are not found in:

 
 
 
 

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

 
 
 
 

113. Which is a gametophytic tissue?

 
 
 
 

114. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

116. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

118. The roots of Cycas are :

 
 
 
 

119. White rust of crucifers is caused by:

 
 
 
 

120. The Rhizopus is:

 
 
 
 

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

 
 
 
 

122. Funaria is :

 
 
 
 

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

 
 
 
 

124. First animal pathogenic virus was discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

127. The ascus of yeast contains:

 
 
 
 

128. Fern prothallus produces:

 
 
 
 

129. Heterocysts are found in :

 
 
 
 

130. Economic importance of bacteria lies in their being:

 
 
 
 

131. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

132. In Herpes virus DNA is:

 
 
 
 

133. Seeds are characteristically found in :

 
 
 
 

134. The fungi are usually:

 
 
 
 

135. What is absent in Deuteromycetes?

 
 
 
 

136. The nucleus of bacteria is:

 
 
 
 

137. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

140. The seedless plants which possess vascular tissues are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

143. The DNA of E coli is:

 
 
 
 

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

 
 
 
 

145. Who among the following discovered virus?

 
 
 
 

146. Which of the following statements is not correct?

 
 
 
 

147. Etiology includes the study of :

 
 
 
 

148. Lichens form the first community in

 
 
 
 

149. The rhizoids of Funaria are :

 
 
 
 

150. Endemic plants are characterised by their:

 
 
 
 

151. The lambda phase is a:

 
 
 
 

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

 
 
 
 

153. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

156. Heterospory and ligulate leaves are a feature of:

 
 
 
 

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

 
 
 
 

158. Linnaeus is credited with introducing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

161. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

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

 
 
 
 

163. Bacteria are found everywhere, except:

 
 
 
 

164. In moss, reduction division occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

168. Majority of lichens are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

172. Metulae are found in:

 
 
 
 

173. Lichens are ecologically important because :

 
 
 
 

174. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

176. Which of the following statement is correct?

 
 
 
 

177. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

179. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

181. 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?

 
 
 
 

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

 
 
 
 

183. Bacteria differ from viruses in being sensitive to:

 
 
 
 

184. Reproduction in Cycas takes place by :

 
 
 
 

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

 
 
 
 

186. Citrus canker is caused by :

 
 
 
 

187. Cycas revoluta is widely grown as :

 
 
 
 

188. What is special feature of fern archegonia?

 
 
 
 

189. Yeast grows more rapidly in:

 
 
 
 

190. Azolla and Salvinia both are:

 
 
 
 

191. Select the wrong statement:

 
 
 
 

192. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

196. The archegonia in Selaginella develop on:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

199. Psilotum is:

 
 
 
 

200. Bacteriophage consists of:

 
 
 
 

201. Streptomycin is obtained from:

 
 
 
 

202. Botulinum toxin effects:

 
 
 
 

203. The teeth of peristome of Funaria are :

 
 
 
 

204.

 

205. The antherozoids of Funaria are :

 
 
 
 

206. Which causes red tide?

 
 
 
 

207. The orders generally have the uniform endings:

 
 
 
 

208. In Funaria :

 
 
 
 

209. Ulothrix produces :

 
 
 
 

210. The antibiotic is obtained from:

 
 
 
 

211. Milk is converted to curd by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

214. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

216. Cell walls of Gram-positive bacteria contain:

 
 
 
 

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

 
 
 
 

218. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

223. One of the distinctive feature of Spirogyra is :

 
 
 
 

224. The term stele was given by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

228. Facultative parasite is:

 
 
 
 

229. The source of litmus is :

 
 
 
 

230. The leaves of Funaria are :

 
 
 
 

231. In binomial system most of the words are:

 
 
 
 

232. Which of the following is true for Selaginella?

 
 
 
 

233. How is moss different from fern?

 
 
 
 

234. In Cycas:

 
 
 
 

235. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

238. True sexuality is not found in:

 
 
 
 

239. Pollination in Pinus is :

 
 
 
 

240. Chemosynthetic bacteria are:

 
 
 
 

241. Choose the correct statement about Spirogyra:

 
 
 
 

242. In moss, sporophyte is formed on:

 
 
 
 

243. Aflatoxin is produced by:

 
 
 
 

244. The genetic material of poxvirus is:

 
 
 
 

245. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

249. Plasmids are:

 
 
 
 

250. Rhizopus belongs to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

255. What is mycorrhiza?

 
 
 
 

256. Some bacteria cannot be killed easily because of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

260. Polystelic condition is found in:

 
 
 
 

261. The chief characteristic of bryophyta is that :

 
 
 
 

262. Which of the following is a heterosporous pteridophyte?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

265. Why is Cycas called a living fossil?

 
 
 
 

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

 
 
 
 

267. Most primitive kind of flower is represented by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

270. The chloroplast of Chlamydomonas are:

 
 
 
 

271. Triple antigen injection or vaccine are for:

 
 
 
 

272. The leafy fern plant represents the:

 
 
 
 

273. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

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

 
 
 
 

275. Some diseases caused by bacteria are:

 
 
 
 

276. Bacteria growing on synthetic medium are called:

 
 
 
 

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

 
 
 
 

278. Lichens reproduce by :

 
 
 
 

279. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

281. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

284. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

286. Saccharomyces is used in:

 
 
 
 

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

 
 
 
 

288. In Gymnocarpeae the fruiting body is :

 
 
 
 

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

 
 
 
 

290. Mycoplasma are sensitive to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

293. The largest known bacterium is:

 
 
 
 

294. Vascular cryptogams is the term used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

297. Fruits are not found in :

 
 
 
 

298. Cyathia is characterized by:

 
 
 
 

299. 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?

 
 
 
 

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

 
 
 
 

301. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

303. Viroids have:

 
 
 
 

304. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

306. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

308. Who named prion?

 
 
 
 

309. Who discovered streptomycin?

 
 
 
 

310. Soil fertility is lost by the activities of:

 
 
 
 

311. Bentham and Hooker placed gymnosperms:

 
 
 
 

312. The male gametes of Pinus are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

315. Vascular cryptogam is the term used for :

 
 
 
 

316.

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

 
 
 
 

318. Bacteria which are spherical are called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

321. Ovary is absent in :

 
 
 
 

322. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

325. Which one of the following is a monocot?

 
 
 
 

326. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

327. Detailed study of bacteriophage was made by:

 
 
 
 

328. Discovery of penicillin was based on:

 
 
 
 

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

 
 
 
 

330. The tree fern is:

 
 
 
 

331. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

333. In moss, peristomial teeth are:

 
 
 
 

334. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

336. Infective part of virus was discovered by:

 
 
 
 

337. Green plants are classified as:

 
 
 
 

338. Pinus microsporophyll bears:

 
 
 
 

339. Which is the nuclear material in bacteria?

 
 
 
 

340. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

341. Meiosis in Ulothrix takes place:

 
 
 
 

342. Which is an edible fungus?

 
 
 
 

343. Funaria are commonly found :

 
 
 
 

344. Transfusion tissue is present in the leaflet of:

 
 
 
 

345. Yeast belongs to class:

 
 
 
 

346. Which bacteria convert nitrate into nitrogen?

 
 
 
 

347. The fungi used as food are:

 
 
 
 

348. Lichen show :

 
 
 
 

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

 
 
 
 

350. Which part of Riccia bears nurse cells?

 
 
 
 

351. Bacteria were first discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

354. Diploxylic vascular bundles are found in:

 
 
 
 

355. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

357. Ergot is obtained from :

 
 
 
 

358. Fertility of the soil is increased by:

 
 
 
 

359. Fairy ring is the name given to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

364. Mycoplasma are:

 
 
 
 

365. Genetic material of TMV is:

 
 
 
 

366. Cyanophage is a virus that attacks:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

369. Iodine is obtained from:

 
 
 
 

370. Fern prothallus is:

 
 
 
 

371. Climbers are found in genus:

 
 
 
 

372. Cleavage polyembryony is found in :

 
 
 
 

373. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

375. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

377. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

380. The upper region of moss capsule is :

 
 
 
 

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

 
 
 
 

382. Spermatophyta are characterized by producing:

 
 
 
 

383. Heterospory is the production of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

388. Which statement is wrong in regard to bacteria?

 
 
 
 

389. Which is a tautonym?

 
 
 
 

390. Pteridophyta are also called:

 
 
 
 

391. Spores of which plants have chloroplast:

 
 
 
 

392. Which one of the following statement is wrong?

 
 
 
 

393. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

395. The sporophyte of Riccia is :

 
 
 
 

396. What is a vector?

 
 
 
 

397. Disease resistant plant varieties can be produced by :

 
 
 
 

398. The fungi are mostly:

 
 
 
 

399. Pasteurized milk is:

 
 
 
 

400. Protists which are diploid reproduce sexually by:

 
 
 
 

401. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

403. Ovules are not found enclosed in ovary in :

 
 
 
 

404. Spirogyra differs from moss protonema in having :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

408. In moss, stomata are found:

 
 
 
 

409. The chief characteristic of class Ascomycetes is:

 
 
 
 

410. Cycas is :

 
 
 
 

411. The archegonia of Selaginella are differentiated by:

 
 
 
 

412. Liverworts are included in :

 
 
 
 

413. Which of the following shows heterotrichous habit?

 
 
 
 

414. Chief constituents of bordeaux mixture are :

 
 
 
 

415. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

417. Lichens are the indicator of pollution :

 
 
 
 

418. Synzoospore is produced in:

 
 
 
 

419. Photosynthetic protists belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

422. In a diplontic life cycle:

 
 
 
 

423. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

429. Who discovered cyanophages?

 
 
 
 

430. Tautonyms are illegitimate in:

 
 
 
 

431. Cocci types of bacteria are:

 
 
 
 

432. Amoeba is a member of the phylum:

 
 
 
 

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

 
 
 
 

434. Which group of algae have an incipient nucleus?

 
 
 
 

435. Cycas plant in appearance resembles :

 
 
 
 

436. What is the role of nitrifying bacteria?

 
 
 
 

437. Gram stain is used to:

 
 
 
 

438. Penicillin was discovered by:

 
 
 
 

439. The zygospore in Rhizopus on germination forms:

 
 
 
 

440. Most appropriate word for protozoans is:

 
 
 
 

441. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

444.

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

 
 
 
 

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

 
 
 
 

447. Sporophyte of fern is:

 
 
 
 

448. Little leaf disease of Brinjal is caused by:

 
 
 
 

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

 
 
 
 

450. Select the wrong statement:

 
 
 
 

451. Which organisms are the oldest life forms?

 
 
 
 

452. Common phycobiont in a lichen is :

 
 
 
 

453. Spermatophyta are characterized by producing:

 
 
 
 

454. Saccharomyces ludwigii ascus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

457. The tallest moss in the world is :

 
 
 
 

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

 
 
 
 

459. The two conjugating gametangia of Rhizopus are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

465. Fern plants are:

 
 
 
 

466. Parmelia belongs to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

470. Chemosynthetic bacteria are:

 
 
 
 

471. The mode of nutrition of bacteria is usually:

 
 
 
 

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

 
 
 
 

473. The order generally ends with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

476. Photoautotrophic bacteria have:

 
 
 
 

477.

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

 
 
 
 

479. Ethylene oxide is widely used to:

 
 
 
 

480. Fruiting body of lichens is :

 
 
 
 

481. Penicillin is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

485. Which is the correct statement about Selaginella?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

488. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

489. The similarity between cyanobacteria and bacteria:

 
 
 
 

490. Clostridium can:

 
 
 
 

491. Roots are absent in :

 
 
 
 

492. Germination of the seed of Pinus is :

 
 
 
 

493. Mycoplasmas are not viruses in nature because:

 
 
 
 

494. Pollination drop is:

 
 
 
 

495. Coenogamete is found in:

 
 
 
 

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

 
 
 
 

497. The photosynthetic protists are:

 
 
 
 

498. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

499. Sleeping sickness disease in man is caused by:

 
 
 
 

500. Select the correct statement: (NEET 2016)

 
 
 
 

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

 
 
 
 

502. Pollination in Cycas takes place by :

 
 
 
 

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

 
 
 
 

504. The coralloid roots are :

 
 
 
 

505. Most primitive embryophytes are placed in :

 
 
 
 

506. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

508. Botulism is a:

 
 
 
 

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

 
 
 
 

510. Which is a fungicide?

 
 
 
 

511. Black rust of wheat is caused by:

 
 
 
 

512. Circular DNA is seen in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

516. Late blight of potato is caused by:

 
 
 
 

517. Zoogametes are not found in:

 
 
 
 

518. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

521. Mycoplasma contains:

 
 
 
 

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

 
 
 
 

523. Virus and bacteriophage are made-up of:

 
 
 
 

524. Bivalved siliceous shell or frustule occur in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

527. Where does meiosis occur in yeast?

 
 
 
 

528. In tracheophyta:

 
 
 
 

529. Mixed cropping helps :

 
 
 
 

530. Embryophyta includes:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

533. The truncated cone of HIV consists of:

 
 
 
 

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

 
 
 
 

535. Rice, pea, potato are :

 
 
 
 

536. The chromosomal number in:

 
 
 
 

537. Indusium in Dryopteris is:

 
 
 
 

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

 
 
 
 

539. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

541. Red rot of sugarcane is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

545. All algae have:

 
 
 
 

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

 
 
 
 

547. Pasteur is famous for his:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

551. Protozoans are considered animals because these are:

 
 
 
 

552. LSD is:

 
 
 
 

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

 
 
 
 

554. Club moss and Peat moss belong to:

 
 
 
 

555. Seeds are characteristically found in:

 
 
 
 

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

 
 
 
 

557. A gill of Agaricus:

 
 
 
 

558. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

560. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

564. Club moss is the common name of :

 
 
 
 

565. The leaf of Cycas shows:

 
 
 
 

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

 
 
 
 

567. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

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

 
 
 
 

569. 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:

 
 
 
 

570. The stele of Dryopteris is a:

 
 
 
 

571. Which is a redwood tree?

 
 
 
 

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

 
 
 
 

573. The largest alga is:

 
 
 
 

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

 
 
 
 

575. The first to isolate a plant virus was:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

578. Facultative saprophyte is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

582. Interferon is a:

 
 
 
 

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

 
 
 
 

584. NBG of Lucknow is now named as:

 
 
 
 

585. Rhizophore of Selaginella is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

588. Bryophyta have a special character from other plants:

 
 
 
 

589. Reproduction in Rhizopus is:

 
 
 
 

590. Male gametophyte of Selaginella is found:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

593. In a bacteriophage, DNA is present in:

 
 
 
 

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

 
 
 
 

595. Bacteria are considered to be plants because they:

 
 
 
 

596. The megasporangium of Selaginella is:

 
 
 
 

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

 
 
 
 

598. Cycas is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

601. Which of the following are included in Tracheophyta?

 
 
 
 

602. Total parasites belong to:

 
 
 
 

603. Which of the following are included in Tracheophyta?

 
 
 
 

604. Viruses are commonly transmitted in plants through:

 
 
 
 

605. Sometimes the bacterial cell is enclosed in:

 
 
 
 

606. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

610. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

615. Photosynthetic bacteria have:

 
 
 
 

616. Vegetative reproduction in Cycas is by means of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

619. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

622. Lichens reproduce by :

 
 
 
 

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

 
 
 
 

624. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

625. The Rhizopus gametes are formed in:

 
 
 
 

626. Mostly type of zygospore in Ulothrix is:

 
 
 
 

627. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

629. Oswald Tippo’s classification was based on :

 
 
 
 

630. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

632. Ovary is absent in:

 
 
 
 

633. Antibiotics cure the disease by:

 
 
 
 

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

 
 
 
 

635. Pasteurization of milk involves heating for:

 
 
 
 

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

 
 
 
 

637. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

642. Special feature of pollen grains of Pinus is :

 
 
 
 

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

 
 
 
 

644. Which of the following have algal zone?

 
 
 
 

645. The prothallus of fern is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

650. 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:

 
 
 
 

651. Usually, bacteria reproduce by:

 
 
 
 

652. Nitrogen-fixing bacteria may be located:

 
 
 
 

653. Desired type of Cycas can be grown by:

 
 
 
 

654. The megaspore of Selaginella on germination produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

658. Gametophyte is the main plant body in :

 
 
 
 

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

 
 
 
 

660. The gametophyte of moss has distinct phases :

 
 
 
 

661. Halophiles are the bacteria that require for growth:

 
 
 
 

662. The sexual reproductive organs in Rhizopus are:

 
 
 
 

663. The gametophyte of fern bears:

 
 
 
 

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

 
 
 
 

665. Viruses have:

 
 
 
 

666. The development of Selaginella embryo is:

 
 
 
 

667. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

672. The group algae possesses representatives belonging to kingdom:

 
 
 
 

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

 
 
 
 

674. Which fixes atmospheric nitrogen?

 
 
 
 

675. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

678. Pseudomycelium is found in:

 
 
 
 

679. Which of the following have a prokaryotic cell?

 
 
 
 

680. To which class Riccia belongs :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

684. The microsporophylls on the cone of Cycas are :

 
 
 
 

685. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

688. How a fern differs from a moss?

 
 
 
 

689. Which of the following applies to Selaginella?

 
 
 
 

690. Longest known virus is:

 
 
 
 

691. Which is not true for Escherichia coli?

 
 
 
 

692. The sporangiophores in Rhizopus are:

 
 
 
 

693. Methanogens belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

697. Lichens show :

 
 
 
 

698. Cryptogams include :

 
 
 
 

699. In Cycas which structure is equivalent to stamen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

702. The spermatozoids of Cycas are :

 
 
 
 

703. Number of capsomeres forming capsid of TMV is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

706. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

708. Most of the algae are :

 
 
 
 

709. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

711. Gymnosperms could also be called as:

 
 
 
 

712. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

715. What are plasmids?

 
 
 
 

716. In Funaria, calyptra is derived from :

 
 
 
 

717. Banana bunchy top is caused by :

 
 
 
 

718. The ferns are usually found:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

721. Enzymes are absent in:

 
 
 
 

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

 
 
 
 

723. Kuru, a human disease is caused by:

 
 
 
 

724. 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:

 
 
 
 

725. Which is not found in bacteria?

 
 
 
 

726. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

729. Most of the lichens are composed of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

732. Centric discoid form of diatom is:

 
 
 
 

733. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

737. Bacteriophages have been used as:

 
 
 
 

738. Viruses are considered to be:

 
 
 
 

739. Enteric bacteria are those bacteria that live:

 
 
 
 

740. TMV was isolated in crystalline form by:

 
 
 
 

741. Which of the following are absent in Mycoplasma?

 
 
 
 

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

 
 
 
 

743. Some biologists have used the term Mycetozoa for:

 
 
 
 

744. In Pteris, the roots are:

 
 
 
 

745. The plants of Funaria grow :

 
 
 
 

746. Green plants are classified as :

 
 
 
 

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

 
 
 
 

748. Funaria can be differentiated from Cycas :

 
 
 
 

749. Male gametes in Dryopteris are:

 
 
 
 

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

 
 
 
 

751. Each chloroplast in Spirogyra bears :

 
 
 
 

752. In Gymnosperms endosperm is a:

 
 
 
 

753. The mycelium of Rhizopus is:

 
 
 
 

754. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

756. The most primitive vascular plants is:

 
 
 
 

757. The young leaves of Cycas have :

 
 
 
 

758. Pneumonia is caused by:

 
 
 
 

759. Nitrifying bacteria play an important role by converting:

 
 
 
 

760. The flagella of Chlamydomonas are:

 
 
 
 

761. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

762. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

763. All protozoans possess:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

766. Multicellular and jacketed sex organs are found in :

 
 
 
 

767. The role of meiosis is for:

 
 
 
 

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

 
 
 
 

769. Simple polyembryony is found in :

 
 
 
 

770. Azolla growing in paddy fields helps in:

 
 
 
 

771. Bacteria are placed under:

 
 
 
 

772. Pythium debaryanum is the causative agent of:

 
 
 
 

773. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

776. In Selaginella, the microsporangia are:

 
 
 
 

777. The gametophyte produced by apospory is :

 
 
 
 

778. Which condition is found in Cycas?

 
 
 
 

779. The fern plant is:

 
 
 
 

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

 
 
 
 

781. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

782. All archaebacteria lack:

 
 
 
 

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

 
 
 
 

784. Meristele of fern is:

 
 
 
 

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

 
 
 
 

786. The lichens growing on rocks are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

791. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

793. Germ theory of disease was proposed by:

 
 
 
 

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

 
 
 
 

795. In moss, sporogenous tissue arises from:

 
 
 
 

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

 
 
 
 

797. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

799. Which of the following is a parasitic algae?

 
 
 
 

800. Mycoplasma is different from bacteria due to:

 
 
 
 

801. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

805. Pythium debaryanum is the causative agent of:

 
 
 
 

806. Anoxygenic photosynthesis occurs in:

 
 
 
 

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

 
 
 
 

808. Placenta in fern is:

 
 
 
 

809. Acellular slime mold is/are:

 
 
 
 

810. . Tapetum develops in:

 
 
 
 

811. Who discovered heterothallism in fungi?

 
 
 
 

812. Which of the following is true for viruses?

 
 
 
 

813. To which country Antony van Leeuwenhoek belong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

816. Heterosporous pteridophytes always form:

 
 
 
 

817. In moss, calyptra is formed from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

820. Virion refers to:

 
 
 
 

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

 
 
 
 

822. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

826. What is streptomycin?

 
 
 
 

827. The sori in Dryopteris are found on:

 
 
 
 

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

 
 
 
 

829. Protistan algae obtain their food as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

832. The smallest bacterium is:

 
 
 
 

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

 
 
 
 

834. In moss, conducting tissue is made up of

 
 
 
 

835. The middle sterile part of capsule is called:

 
 
 
 

836. Yeast is a source of:

 
 
 
 

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

 
 
 
 

838. Pinus is:

 
 
 
 

839. The chloroplast in Ulothrix is :

 
 
 
 

840. In Cycas the fertilization is:

 
 
 
 

841. The most important property of yeast is:

 
 
 
 

842. Fern phloem lacks:

 
 
 
 

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

 
 
 
 

844. Rhizopus and yeast are usually:

 
 
 
 

845. The disease apple scab is caused by:

 
 
 
 

846. Standard size of a herbarium sheet is:

 
 
 
 

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

 
 
 
 

848. Typhoid in man is caused by:

 
 
 
 

849. Absorptive nutrition is:

 
 
 
 

850. Sexual reproduction of lichen is due to :

 
 
 
 

851. Rhizoids of Riccia are :

 
 
 
 

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

 
 
 
 

853. The root nodules of leguminous plants contain:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

856. Water-borne bacterial diseases are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

859. Smallpox is caused by:

 
 
 
 

860. Cellular slime mold is:

 
 
 
 

861. Which of the following lichens is harmful?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

864. Ovules are not found enclosed in ovary of: