Quiz_Random

1. The DNA of E coli is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Which of the following is a heterosporous pteridophyte?

 
 
 
 

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

 
 
 
 

7. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

8. Citrus canker is caused by:

 
 
 
 

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

 
 
 
 

10. Photosynthetic bacteria have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

14. Sometimes the bacterial cell is enclosed in:

 
 
 
 

15. Club moss is the common name of :

 
 
 
 

16. Reproduction in Rhizopus is:

 
 
 
 

17. John Hutchinson divided dicots into two divisions:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Which is a redwood tree?

 
 
 
 

21. Smallpox is caused by:

 
 
 
 

22. The archegonia of Selaginella are differentiated by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Absorptive nutrition is:

 
 
 
 

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

 
 
 
 

27. Viruses are commonly transmitted in plants through:

 
 
 
 

28. Cocci types of bacteria are:

 
 
 
 

29. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Pythium debaryanum is the causative agent of:

 
 
 
 

36. Some bacteria cannot be killed easily because of:

 
 
 
 

37.

38. The zygospore in Rhizopus on germination forms:

 
 
 
 

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

 
 
 
 

40. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Most resistant spore in bacteria is:

 
 
 
 

45. Cycas revoluta is widely grown as :

 
 
 
 

46. Mixed cropping helps :

 
 
 
 

47. Water-borne bacterial diseases are:

 
 
 
 

48. Pinus gerardiana is :

 
 
 
 

49. The young leaves of Cycas have :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Genetic material of TMV is:

 
 
 
 

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

 
 
 
 

56. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

57. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. 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?

 
 
 
 

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

 
 
 
 

63. Some diseases caused by bacteria are:

 
 
 
 

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

 
 
 
 

65. Maximum diversity of life forms occurs in :

 
 
 
 

66. Fruiting body of lichens is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Male gametes in Dryopteris are:

 
 
 
 

70. Usually, bacteria reproduce by:

 
 
 
 

71. Fern plants are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Mycoplasma are:

 
 
 
 

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

 
 
 
 

77. In moss, sporophyte is formed on:

 
 
 
 

78. Gram stain is used to:

 
 
 
 

79. In angiosperms double fertilization represents:

 
 
 
 

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

 
 
 
 

81. Which is an exception to cell theory?

 
 
 
 

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

 
 
 
 

83. Nitrifying bacteria play an important role by converting:

 
 
 
 

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

 
 
 
 

85. In moss, reduction division occurs in :

 
 
 
 

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

 
 
 
 

87. Spores of which plants have chloroplast:

 
 
 
 

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

 
 
 
 

89. The sporangia of Selaginella are attached:

 
 
 
 

90. Helotism word is used for the symbiosis between :

 
 
 
 

91. The Rhizopus gametes are formed in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

94. Lichen show :

 
 
 
 

95. Black rust of wheat is caused by:

 
 
 
 

96. Wine turns sour because of:

 
 
 
 

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

 
 
 
 

98. The gametophyte of fern bears:

 
 
 
 

99. The group algae possesses representatives belonging to kingdom:

 
 
 
 

100. Protistan algae obtain their food as:

 
 
 
 

101. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

103. The sexual reproductive organs in Rhizopus are:

 
 
 
 

104. Which of the following have a prokaryotic cell?

 
 
 
 

105. Total parasites belong to:

 
 
 
 

106. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

109. Number of capsomeres forming capsid of TMV is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

115. Banana bunchy top is caused by :

 
 
 
 

116. Lichens show :

 
 
 
 

117. Bacteria growing on synthetic medium are called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

121.

122. Roots are absent in :

 
 
 
 

123. Which of the following statement is correct?

 
 
 
 

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

 
 
 
 

125. The chief characteristic of bryophyta is that :

 
 
 
 

126. Diploxylic vascular bundles are found in:

 
 
 
 

127. Funaria are commonly found :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

130. Virus and bacteriophage are made-up of:

 
 
 
 

131. Which of the following are included in Tracheophyta?

 
 
 
 

132. Infective part of virus was discovered by:

 
 
 
 

133. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

135. Pseudomycelium is found in:

 
 
 
 

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

 
 
 
 

137. Mycoplasma is different from bacteria due to:

 
 
 
 

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

 
 
 
 

139. Which is a fungicide?

 
 
 
 

140. The largest known bacterium is:

 
 
 
 

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

 
 
 
 

142. Facultative parasite is:

 
 
 
 

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

 
 
 
 

144. Seeds are characteristically found in:

 
 
 
 

145. What are plasmids?

 
 
 
 

146. 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:

 
 
 
 

147. The disease apple scab is caused by:

 
 
 
 

148. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

149. Sleeping sickness disease in man is caused by:

 
 
 
 

150. Ovules are not found enclosed in ovary of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

155. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

157. The leaf of Cycas shows:

 
 
 
 

158. 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?

 
 
 
 

159. In binomial system most of the words are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

163. Bacteriophages have been used as:

 
 
 
 

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

 
 
 
 

165. Embryophyta includes:

 
 
 
 

166. Who discovered heterothallism in fungi?

 
 
 
 

167. Green plants are classified as:

 
 
 
 

168. Bryophyta have a special character from other plants:

 
 
 
 

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

 
 
 
 

170. The male gametes of Pinus are :

 
 
 
 

171. Pteridophyta are also called:

 
 
 
 

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

 
 
 
 

173. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

174. Vegetative reproduction in Cycas is by means of :

 
 
 
 

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

 
 
 
 

176. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

179. Ergot of rye is caused by:

 
 
 
 

180. In moss, conducting tissue is made up of

 
 
 
 

181. The fern plant is:

 
 
 
 

182. Which causes red tide?

 
 
 
 

183. Standard size of a herbarium sheet is:

 
 
 
 

184. What is the role of nitrifying bacteria?

 
 
 
 

185. In dinoflagellates, the two flagella are:

 
 
 
 

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

 
 
 
 

187. The first to isolate a plant virus was:

 
 
 
 

188. In Herpes virus DNA is:

 
 
 
 

189. Among the algae kelps are :

 
 
 
 

190. NBG of Lucknow is now named as:

 
 
 
 

191. The ascus of yeast contains:

 
 
 
 

192. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

194. Red rot of sugarcane is caused by:

 
 
 
 

195. Heterocysts are found in :

 
 
 
 

196. Bivalved siliceous shell or frustule occur in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

199. The ferns are usually found:

 
 
 
 

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

 
 
 
 

201. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

203. Fertility of the soil is increased by:

 
 
 
 

204. In Funaria, calyptra is derived from :

 
 
 
 

205. In a diplontic life cycle:

 
 
 
 

206. Kuru, a human disease is caused by:

 
 
 
 

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

 
 
 
 

208. All archaebacteria lack:

 
 
 
 

209. The mode of nutrition of bacteria is usually:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

214. Pollination in Cycas takes place by :

 
 
 
 

215. The fungi used as food are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

218. Late blight of potato is caused by:

 
 
 
 

219. The orders generally have the uniform endings:

 
 
 
 

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

 
 
 
 

221. Ovary is absent in :

 
 
 
 

222. The megaspore of Selaginella on germination produces:

 
 
 
 

223. Select the wrong statement:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

227. Bentham and Hooker placed gymnosperms:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

230. Who discovered cyanophages?

 
 
 
 

231. Vascular cryptogams is the term used for:

 
 
 
 

232. The rhizoids of Funaria are :

 
 
 
 

233. Agar-agar is obtained from:

 
 
 
 

234. Polystelic condition is found in:

 
 
 
 

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

 
 
 
 

236. Milk is converted to curd by:

 
 
 
 

237. Bacteria were first discovered by:

 
 
 
 

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

 
 
 
 

239. In Cycas the fertilization is:

 
 
 
 

240. Pasteurization of milk involves heating for:

 
 
 
 

241. Metulae are found in:

 
 
 
 

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

 
 
 
 

243. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

245. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

248. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

250. The prothallus of fern is:

 
 
 
 

251. Endemic plants are characterised by their:

 
 
 
 

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

 
 
 
 

253. Asexual reproductive body of Volvox is called:

 
 
 
 

254. Which is a tautonym?

 
 
 
 

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

 
 
 
 

256. Which class of Protozoa includes all parasitic forms?

 
 
 
 

257. Parmelia belongs to :

 
 
 
 

258. E coli is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

261. Fern prothallus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

264. In moss, stomata are found:

 
 
 
 

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

 
 
 
 

266. Photoautotrophic bacteria have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

270. Viruses have:

 
 
 
 

271. Generic name of mango is:

 
 
 
 

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

 
 
 
 

273. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

276. The seedless plants which possess vascular tissues are:

 
 
 
 

277. Detailed study of bacteriophage was made by:

 
 
 
 

278. Which group of algae have an incipient nucleus?

 
 
 
 

279. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

281. Pinus microsporophyll bears:

 
 
 
 

282. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

285. Longest known virus is:

 
 
 
 

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

 
 
 
 

287. Chemosynthetic bacteria are:

 
 
 
 

288. To which class Riccia belongs :

 
 
 
 

289. The mycelium of Rhizopus is:

 
 
 
 

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

 
 
 
 

291. Lichens are the indicator of pollution :

 
 
 
 

292. The chief characteristic of class Ascomycetes is:

 
 
 
 

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

 
 
 
 

294. Mostly type of zygospore in Ulothrix is:

 
 
 
 

295. Fern phloem lacks:

 
 
 
 

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

 
 
 
 

297. Cycas is :

 
 
 
 

298. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

300. Pythium debaryanum is the causative agent of:

 
 
 
 

301. Funaria is :

 
 
 
 

302. Common phycobiont in a lichen is :

 
 
 
 

303. Amoeba is a member of the phylum:

 
 
 
 

304. The sporangium of fern contains nearly:

 
 
 
 

305. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

306. Ectocarpus produces:

 
 
 
 

307. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

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

 
 
 
 

309. The gametophyte produced by apospory is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

312. Iodine is obtained from:

 
 
 
 

313. . Tapetum develops in:

 
 
 
 

314.

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

 
 
 
 

316. The role of meiosis is for:

 
 
 
 

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

 
 
 
 

318. To which country Antony van Leeuwenhoek belong?

 
 
 
 

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

 
 
 
 

320. Enzymes are absent in:

 
 
 
 

321. Centric discoid form of diatom is:

 
 
 
 

322. Red rot of sugarcane is caused by :

 
 
 
 

323. Which of the following are absent in Mycoplasma?

 
 
 
 

324. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

326. Triple antigen injection or vaccine are for:

 
 
 
 

327. Lichens are indicators of :

 
 
 
 

328. Reproduction in Cycas takes place by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

331. Ovary is absent in:

 
 
 
 

332. The leafy fern plant represents the:

 
 
 
 

333. Nitrogen-fixing bacteria may be located:

 
 
 
 

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

 
 
 
 

335. One of the distinctive feature of Spirogyra is :

 
 
 
 

336. Saccharomyces is used in:

 
 
 
 

337. Simple polyembryony is found in :

 
 
 
 

338. What is special feature of fern archegonia?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

344. How is moss different from fern?

 
 
 
 

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

 
 
 
 

346. Disease resistant plant varieties can be produced by :

 
 
 
 

347. In tracheophyta:

 
 
 
 

348. The term stele was given by:

 
 
 
 

349. The chromosomal number in:

 
 
 
 

350. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

351. Mycoplasmas are not viruses in nature because:

 
 
 
 

352. Acetobacter is useful in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

357. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

359. The gametophyte of fern is as:

 
 
 
 

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

 
 
 
 

361. Some biologists have used the term Mycetozoa for:

 
 
 
 

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

 
 
 
 

363. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

365. Acellular slime mold is/are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

373. In Funaria :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

376. The tallest moss in the world is :

 
 
 
 

377. Sexual reproduction of lichen is due to :

 
 
 
 

378. The flagella of Chlamydomonas are:

 
 
 
 

379. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

380. Methanogens belong to:

 
 
 
 

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

 
 
 
 

382. Aflatoxin is produced by:

 
 
 
 

383. Bryophyta have been placed in cryptogams because:

 
 
 
 

384. The antherozoids of Funaria are :

 
 
 
 

385. Most appropriate word for protozoans is:

 
 
 
 

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

 
 
 
 

387. The genetic material of poxvirus is:

 
 
 
 

388. Bacteria differ from viruses in being sensitive to:

 
 
 
 

389. Cyathia is characterized by:

 
 
 
 

390. Select the correct statement: (NEET 2016)

 
 
 
 

391. Who among the following discovered virus?

 
 
 
 

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

 
 
 
 

393. In Gymnosperms endosperm is a:

 
 
 
 

394. Pasteurized milk is:

 
 
 
 

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

 
 
 
 

396. Funaria is :

 
 
 
 

397. Who discovered streptomycin?

 
 
 
 

398. Which of the following is true for viruses?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

403. The tree fern is:

 
 
 
 

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

 
 
 
 

405. Meiosis in Ulothrix takes place:

 
 
 
 

406. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

407. Siphonogamy is found in:

 
 
 
 

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

 
 
 
 

409. The sporangiophores in Rhizopus are:

 
 
 
 

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

 
 
 
 

411. Which bacteria convert nitrate into nitrogen?

 
 
 
 

412. Lichens form the first community in

 
 
 
 

413. Linnaeus is credited with introducing:

 
 
 
 

414. Which is a gametophytic tissue?

 
 
 
 

415. Ethylene oxide is widely used to:

 
 
 
 

416. Most primitive kind of flower is represented by:

 
 
 
 

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

 
 
 
 

418. Soil fertility is lost by the activities of:

 
 
 
 

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

 
 
 
 

420. Bacteria which are spherical are called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

423. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

426. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

428. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

430. The chloroplast of Chlamydomonas are:

 
 
 
 

431. Aflatoxin is produced as a product in :

 
 
 
 

432. 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:

 
 
 
 

433. Cycas plant in appearance resembles :

 
 
 
 

434.

 

435. Anoxygenic photosynthesis occurs in:

 
 
 
 

436. The similarity between cyanobacteria and bacteria:

 
 
 
 

437. Zoogametes are not found in:

 
 
 
 

438. Most primitive embryophytes are placed in :

 
 
 
 

439. The upper region of moss capsule is :

 
 
 
 

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

 
 
 
 

441. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

443. Pollination drop is:

 
 
 
 

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

 
 
 
 

445. The nucleus of bacteria is:

 
 
 
 

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

 
 
 
 

447. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

449. Fairy ring is the name given to:

 
 
 
 

450. Rhizopus belongs to:

 
 
 
 

451. Which of the following have algal zone?

 
 
 
 

452. Smut of maize is caused by :

 
 
 
 

453. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

454. Sporophyte of fern is:

 
 
 
 

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

 
 
 
 

456. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

460. The development of Selaginella embryo is:

 
 
 
 

461. The archegonia in Selaginella develop on:

 
 
 
 

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

 
 
 
 

463. Spirogyra represents the :

 
 
 
 

464. Liverworts are included in :

 
 
 
 

465. In Cycas microsporangia are borne on:

 
 
 
 

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

 
 
 
 

467. Discovery of penicillin was based on:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

470. Vascular tissue is found in :

 
 
 
 

471. All protozoans possess:

 
 
 
 

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

 
 
 
 

473. What is a vector?

 
 
 
 

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

 
 
 
 

475. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

479. The photosynthetic protists are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

482. Yeast is a source of:

 
 
 
 

483. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

488. Viroids have:

 
 
 
 

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

 
 
 
 

490. Male gametophyte of Selaginella is found:

 
 
 
 

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

 
 
 
 

492. 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:

 
 
 
 

493. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

495. Sporophyte of Funaria is :

 
 
 
 

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

 
 
 
 

497. Which of the following are included in Tracheophyta?

 
 
 
 

498. Photosynthetic protists belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

501. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

505. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

507. The coralloid roots are :

 
 
 
 

508. Azolla and Salvinia both are:

 
 
 
 

509. The development of sporangium in Selaginella is:

 
 
 
 

510. In Pteris, the roots are:

 
 
 
 

511. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

514. Selaginella differs from Moss in having:

 
 
 
 

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

 
 
 
 

516. Virion refers to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

519. In Gymnocarpeae the fruiting body is :

 
 
 
 

520. Black rust of wheat is caused by:

 
 
 
 

521. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

524. The most important property of yeast is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

527. Which of the following is true for Selaginella?

 
 
 
 

528. Majority of lichens are :

 
 
 
 

529. The smallest bacterium is:

 
 
 
 

530. In Cycas:

 
 
 
 

531. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

533. Most primitive embryophytes are placed in:

 
 
 
 

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

 
 
 
 

535. The sporophyte of Riccia is represented by :

 
 
 
 

536. The spermatozoids of Cycas are :

 
 
 
 

537. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

540. Chemosynthetic bacteria are:

 
 
 
 

541. The two conjugating gametangia of Rhizopus are:

 
 
 
 

542. Citrus canker is caused by :

 
 
 
 

543. Clostridium can:

 
 
 
 

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

 
 
 
 

545. Pasteur is famous for his:

 
 
 
 

546. Funaria is a Bryophyta because :

 
 
 
 

547. Mycoplasma contains:

 
 
 
 

548. Most of the algae are :

 
 
 
 

549. First animal pathogenic virus was discovered by:

 
 
 
 

550. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

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

 
 
 
 

552. The root nodules of leguminous plants contain:

 
 
 
 

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

 
 
 
 

554. In moss, sporogenous tissue arises from:

 
 
 
 

555. Cell walls of Gram-positive bacteria contain:

 
 
 
 

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

 
 
 
 

557. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

560. Which have the largest antherozoid?

 
 
 
 

561. Leprosy is caused by:

 
 
 
 

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

 
 
 
 

563. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

565. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

567. Heterospory is the production of:

 
 
 
 

568. In Selaginella, the microsporangia are:

 
 
 
 

569. Circular DNA is seen in:

 
 
 
 

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

 
 
 
 

571. Mycoplasma was discovered by:

 
 
 
 

572. Spermatophyta are characterized by producing:

 
 
 
 

573. Special feature of pollen grains of Pinus is :

 
 
 
 

574. Cyanophage is a virus that attacks:

 
 
 
 

575. What are Cyanobacteria?

 
 
 
 

576. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

578. Germination of the seed of Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

582. The alga, Spirogyra are found in :

 
 
 
 

583. The lambda phase is a:

 
 
 
 

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

 
 
 
 

585. Penicillin is obtained from:

 
 
 
 

586. Which lichen is called Reindeer moss?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

589. Saccharomyces is well known for:

 
 
 
 

590. Little leaf disease of Brinjal is caused by:

 
 
 
 

591. Which statement is wrong in regard to bacteria?

 
 
 
 

592. Gametophyte is the main plant body in :

 
 
 
 

593. Funaria can be differentiated from Cycas :

 
 
 
 

594. Economic importance of bacteria lies in their being:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

598. Rhizopus and yeast are usually:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

603. Viruses are considered to be:

 
 
 
 

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

 
 
 
 

605. Heterosporous pteridophytes always form:

 
 
 
 

606. The order generally ends with:

 
 
 
 

607. Woody climbers are known as :

 
 
 
 

608. Cleavage polyembryony is found in :

 
 
 
 

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

 
 
 
 

610. Botulinum toxin effects:

 
 
 
 

611. Plasmids are:

 
 
 
 

612. Bacteria are placed under:

 
 
 
 

613. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

615. Halophiles are the bacteria that require for growth:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

619. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

622. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

624. Placenta in fern is:

 
 
 
 

625. Reserve food in Euglena is:

 
 
 
 

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

 
 
 
 

627. Quarantine regulations are concerned with:

 
 
 
 

628. Enteric bacteria are those bacteria that live:

 
 
 
 

629. Interferon is a:

 
 
 
 

630. The teeth of peristome of Funaria are :

 
 
 
 

631. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

632. Bacteriophage consists of:

 
 
 
 

633. Which organisms are the oldest life forms?

 
 
 
 

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

 
 
 
 

635. Which of the following applies to Selaginella?

 
 
 
 

636. Which of the following is a monocot?

 
 
 
 

637. The megasporangium of Selaginella is:

 
 
 
 

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

 
 
 
 

639. 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?

 
 
 
 

640. Ovules are not found enclosed in ovary in :

 
 
 
 

641. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

642. Who named prion?

 
 
 
 

643. Penicillin was discovered by:

 
 
 
 

644. The plants of Funaria grow :

 
 
 
 

645. What is mycorrhiza?

 
 
 
 

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

 
 
 
 

647. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

650. Green plants are classified as :

 
 
 
 

651. A gill of Agaricus:

 
 
 
 

652. Pteridophytes are also known as :

 
 
 
 

653. An Hfr bacterium is one that contains:

 
 
 
 

654. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

656. 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:

 
 
 
 

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

 
 
 
 

658. The middle sterile part of capsule is called:

 
 
 
 

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

 
 
 
 

660. Mucilaginous canals in Cycas are found in :

 
 
 
 

661. LSD is:

 
 
 
 

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

 
 
 
 

663. Pinus is:

 
 
 
 

664. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

666. Fruits are not found in :

 
 
 
 

667. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

669. Sexual reproduction in Rhizopus is by:

 
 
 
 

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

 
 
 
 

671. The Rhizopus is:

 
 
 
 

672. Winged seeds are found in :

 
 
 
 

673. Cellular slime mold is:

 
 
 
 

674. Chief constituents of bordeaux mixture are :

 
 
 
 

675. Spirogyra differs from moss protonema in having :

 
 
 
 

676. Typhoid in man is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

681. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

683. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

686. Indusium in Dryopteris is:

 
 
 
 

687. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

690. Lichens are ecologically important because :

 
 
 
 

691. What is streptomycin?

 
 
 
 

692. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

694. Which of the following lichens is harmful?

 
 
 
 

695. Diphtheria is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

699. The source of litmus is :

 
 
 
 

700. 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?

 
 
 
 

701. Which is not true for Escherichia coli?

 
 
 
 

702. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

705. Botulism is a:

 
 
 
 

706. Which of the following is a parasitic algae?

 
 
 
 

707. Protists which are diploid reproduce sexually by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

710. Pneumonia is caused by:

 
 
 
 

711. The sori in Dryopteris are found on:

 
 
 
 

712. Azolla growing in paddy fields helps in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

717. Which is the nuclear material in bacteria?

 
 
 
 

718. Early blight of potato is caused by:

 
 
 
 

719. Where does meiosis occur in yeast?

 
 
 
 

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

 
 
 
 

721. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

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

 
 
 
 

723. The prothallus of fern represents the plant:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

726. Rhizoids of Riccia are :

 
 
 
 

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

 
 
 
 

728. Cycas is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

734. Bacteria are considered to be plants because they:

 
 
 
 

735. The fungi are mostly:

 
 
 
 

736. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

738. Lichens reproduce by :

 
 
 
 

739. Facultative saprophyte is:

 
 
 
 

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

 
 
 
 

741. Coenogamete is found in:

 
 
 
 

742. The fungi are usually:

 
 
 
 

743. In Cycas which structure is equivalent to stamen?

 
 
 
 

744. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

746. The roots of Cycas are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

749. Mycoplasma are sensitive to:

 
 
 
 

750. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

753. Fern prothallus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

756. The lichens growing on rocks are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

759. Isomorphic type alternation of generation is found in:

 
 
 
 

760. The central part of Funaria axis is :

 
 
 
 

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

 
 
 
 

762. Yeast belongs to class:

 
 
 
 

763. Antibiotics cure the disease by:

 
 
 
 

764. TMV was isolated in crystalline form by:

 
 
 
 

765. Most of the lichens are composed of :

 
 
 
 

766. Which is the correct statement about Selaginella?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

770. Broad spectrum antibiotic is, which:

 
 
 
 

771. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

772. Transfusion tissue is present in the leaflet of:

 
 
 
 

773. The smallest unit of classification is:

 
 
 
 

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

 
 
 
 

775. Which is an edible fungus?

 
 
 
 

776. Streptomycin is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

779. Winged pollen grains are found in :

 
 
 
 

780. Most primitive group of vascular plants are:

 
 
 
 

781. What is absent in Deuteromycetes?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

784. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

787. Germ theory of disease was proposed by:

 
 
 
 

788. Rhizophore of Selaginella is:

 
 
 
 

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

 
 
 
 

790. Multicellular and jacketed sex organs are found in :

 
 
 
 

791. Iodine is obtained from :

 
 
 
 

792. How a fern differs from a moss?

 
 
 
 

793. Lichens reproduce by :

 
 
 
 

794. Cycas is similar to a mustard plant :

 
 
 
 

795. Spermatophyta are characterized by producing:

 
 
 
 

796. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

797. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

801. Tautonyms are illegitimate in:

 
 
 
 

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

 
 
 
 

803. Cycas is different from mango in :

 
 
 
 

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

 
 
 
 

805. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

806. The sporophyte of Riccia is :

 
 
 
 

807. Psilotum is:

 
 
 
 

808. White rust of crucifers is caused by:

 
 
 
 

809. In a bacteriophage, DNA is present in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

813. The gametophyte of moss has distinct phases :

 
 
 
 

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

 
 
 
 

815. The microsporophylls on the cone of Cycas are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

818. In Pteris, the archegonia are present:

 
 
 
 

819. Bacteria are found everywhere, except:

 
 
 
 

820. Saccharomyces ludwigii ascus produces:

 
 
 
 

821. Ulothrix produces :

 
 
 
 

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

 
 
 
 

823. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

825. Redness of red sea is due to :

 
 
 
 

826. The fungi that grow on wood are called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

829. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

832. Which part of Riccia bears nurse cells?

 
 
 
 

833. 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:

 
 
 
 

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

 
 
 
 

835. Ginkgo biloba is a:

 
 
 
 

836. Fruits are not found in:

 
 
 
 

837. The antibiotic is obtained from:

 
 
 
 

838. Which condition is found in Cycas?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

841. Which is not found in bacteria?

 
 
 
 

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

 
 
 
 

843. Select the wrong statement:

 
 
 
 

844. Meristele of fern is:

 
 
 
 

845. 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:

 
 
 
 

846. In moss, calyptra is formed from:

 
 
 
 

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

 
 
 
 

848. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

850. Streptomyces falls under:

 
 
 
 

851. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

852. The stele of Dryopteris is a:

 
 
 
 

853. Why is Cycas called a living fossil?

 
 
 
 

854. Yeast grows more rapidly in:

 
 
 
 

855. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

857. The most primitive vascular plants is:

 
 
 
 

858. Lichens are pioneers of vegetation in a :

 
 
 
 

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

 
 
 
 

860. Protozoans are considered animals because these are:

 
 
 
 

861. Heterospory and ligulate leaves are a feature of:

 
 
 
 

862. The truncated cone of HIV consists of:

 
 
 
 

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

 
 
 
 

864. In moss, peristomial teeth are: