Quiz_Random

1. Spermatophyta are characterized by producing:

 
 
 
 

2. Where does meiosis occur in yeast?

 
 
 
 

3. Seeds are characteristically found in :

 
 
 
 

4. Circular DNA is seen in:

 
 
 
 

5. Which of the following have algal zone?

 
 
 
 

6. TMV was isolated in crystalline form by:

 
 
 
 

7. In Cycas microsporangia are borne on:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. The source of litmus is :

 
 
 
 

15. The sporangium of fern contains nearly:

 
 
 
 

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

 
 
 
 

17. Pinus gerardiana is :

 
 
 
 

18. Lichens are the indicator of pollution :

 
 
 
 

19. Which is a gametophytic tissue?

 
 
 
 

20. Endemic plants are characterised by their:

 
 
 
 

21. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Ethylene oxide is widely used to:

 
 
 
 

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

 
 
 
 

27. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

29. Aflatoxin is produced by:

 
 
 
 

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

 
 
 
 

31. Nitrogen-fixing bacteria may be located:

 
 
 
 

32. In Pteris, the roots are:

 
 
 
 

33. Asexual reproductive body of Volvox is called:

 
 
 
 

34. Most of the lichens are composed of :

 
 
 
 

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

 
 
 
 

36. Fairy ring is the name given to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Which of the following shows heterotrichous habit?

 
 
 
 

42. Placenta in fern is:

 
 
 
 

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

 
 
 
 

44. Which of the following is a monocot?

 
 
 
 

45. Oswald Tippo’s classification is:

 
 
 
 

46. The lambda phase is a:

 
 
 
 

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

 
 
 
 

48. Plasmids are:

 
 
 
 

49. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

51. Which bacteria convert nitrate into nitrogen?

 
 
 
 

52. Ginkgo biloba is a:

 
 
 
 

53. The lichens growing on rocks are called :

 
 
 
 

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

 
 
 
 

55. Vascular cryptogam is the term used for :

 
 
 
 

56. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

58. The zygospore in Rhizopus on germination forms:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

66. Virus and bacteriophage are made-up of:

 
 
 
 

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

 
 
 
 

68. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

70. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

72. Water-net is the name of:

 
 
 
 

73. Rhizophore of Selaginella is:

 
 
 
 

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

 
 
 
 

75. The tallest moss in the world is :

 
 
 
 

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

 
 
 
 

77. Each chloroplast in Spirogyra bears :

 
 
 
 

78. Cycas revoluta is widely grown as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Most primitive kind of flower is represented by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Botulinum toxin effects:

 
 
 
 

85. Proembryo in Pinus is :

 
 
 
 

86. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

89. The chloroplast in Ulothrix is :

 
 
 
 

90. Lichen show :

 
 
 
 

91. Which of the following is true for viruses?

 
 
 
 

92. The sporangia of Selaginella are attached:

 
 
 
 

93. The chromosomal number in:

 
 
 
 

94. 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:

 
 
 
 

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

 
 
 
 

96. Mostly type of zygospore in Ulothrix is:

 
 
 
 

97. Sexual reproduction of lichen is due to :

 
 
 
 

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

 
 
 
 

99. Amoeba is a member of the phylum:

 
 
 
 

100. The flagella of Chlamydomonas are:

 
 
 
 

101. All archaebacteria lack:

 
 
 
 

102. The genetic material of poxvirus is:

 
 
 
 

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

 
 
 
 

104. Number of capsomeres forming capsid of TMV is:

 
 
 
 

105. The prothallus of fern is:

 
 
 
 

106. Centric discoid form of diatom is:

 
 
 
 

107. Sporophyte of fern is:

 
 
 
 

108. Parmelia belongs to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

111. Pinus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

114. In Herpes virus DNA is:

 
 
 
 

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

 
 
 
 

116. Cycas is:

 
 
 
 

117. Enteric bacteria are those bacteria that live:

 
 
 
 

118. Bacteria are considered to be plants because they:

 
 
 
 

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

 
 
 
 

120. To which class Riccia belongs :

 
 
 
 

121. Little leaf disease of Brinjal is caused by:

 
 
 
 

122. In angiosperms double fertilization represents:

 
 
 
 

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

 
 
 
 

124. Small epidermal swellings due to infection are called :

 
 
 
 

125. The Rhizopus gametes are formed in:

 
 
 
 

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

 
 
 
 

127. Meristele of fern is:

 
 
 
 

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

 
 
 
 

129. Viruses have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

132. Botulism is a:

 
 
 
 

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

 
 
 
 

134. Streptomyces falls under:

 
 
 
 

135. Pteridophytes are also known as :

 
 
 
 

136. Which is not true for Escherichia coli?

 
 
 
 

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

 
 
 
 

138. In Funaria, calyptra is derived from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

142. What are Cyanobacteria?

 
 
 
 

143. The smallest unit of classification is:

 
 
 
 

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

 
 
 
 

145. Water-borne bacterial diseases are:

 
 
 
 

146. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

149. Total parasites belong to:

 
 
 
 

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

 
 
 
 

151. Most resistant spore in bacteria is:

 
 
 
 

152.

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

 
 
 
 

154. The young leaves of Cycas have :

 
 
 
 

155. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

157. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

158.

159. Generic name of mango is:

 
 
 
 

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

 
 
 
 

161. Lichens are pioneers of vegetation in a :

 
 
 
 

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

 
 
 
 

163. Funaria is a Bryophyta because :

 
 
 
 

164. Some diseases caused by bacteria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

167. The disease apple scab is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

170. The prothallus of fern represents the plant:

 
 
 
 

171. Fruits are not found in :

 
 
 
 

172. In tracheophyta:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

175. The mycelium of Rhizopus is:

 
 
 
 

176. How a fern differs from a moss?

 
 
 
 

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

 
 
 
 

178. Photoautotrophic bacteria have:

 
 
 
 

179. Transfusion tissue is present in the leaflet of:

 
 
 
 

180. Who named prion?

 
 
 
 

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

 
 
 
 

182. Germination of the seed of Pinus is :

 
 
 
 

183. How is moss different from fern?

 
 
 
 

184. Diphtheria is caused by:

 
 
 
 

185. The zoospores of Ulothrix are :

 
 
 
 

186. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

188. Yeast is a source of:

 
 
 
 

189. Embryo formation is not known in :

 
 
 
 

190. Azolla and Salvinia both are:

 
 
 
 

191. Bivalved siliceous shell or frustule occur in:

 
 
 
 

192. Nitrifying bacteria play an important role by converting:

 
 
 
 

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

 
 
 
 

194. Banana bunchy top is caused by :

 
 
 
 

195. Fern prothallus produces:

 
 
 
 

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

 
 
 
 

197. Fertility of the soil is increased by:

 
 
 
 

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

 
 
 
 

199. Rhizoids of Riccia are :

 
 
 
 

200. Smallpox is caused by:

 
 
 
 

201. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

202. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

203. The archegonia of Selaginella are differentiated by:

 
 
 
 

204. Who among the following discovered virus?

 
 
 
 

205. Rhizopus belongs to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

211. Protistan algae obtain their food as:

 
 
 
 

212. Which is an edible fungus?

 
 
 
 

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

 
 
 
 

214. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

216. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

220. Cyathia is characterized by:

 
 
 
 

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

 
 
 
 

222. In moss, calyptra is formed from:

 
 
 
 

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

 
 
 
 

224. The seedless plants which possess vascular tissues are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

227. NBG of Lucknow is now named as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

230. The leaf of Cycas shows:

 
 
 
 

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

 
 
 
 

232. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

234. In moss, conducting tissue is made up of

 
 
 
 

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

 
 
 
 

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

 
 
 
 

237. Cycas is similar to a mustard plant :

 
 
 
 

238. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

241. All algae have:

 
 
 
 

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

 
 
 
 

243. Red rot of sugarcane is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

246. Coenogamete is found in:

 
 
 
 

247. The rhizoids of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

250. Red rot of sugarcane is caused by :

 
 
 
 

251. Usually, bacteria reproduce by:

 
 
 
 

252. The chief characteristic of class Ascomycetes is:

 
 
 
 

253. The alga, Spirogyra are found in :

 
 
 
 

254. Zoogametes are not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

258. The fungi are usually:

 
 
 
 

259. Citrus canker is caused by:

 
 
 
 

260. Which of the following is a parasitic algae?

 
 
 
 

261. Pollination in Pinus is :

 
 
 
 

262. Ectocarpus produces:

 
 
 
 

263. The chloroplast of Chlamydomonas are:

 
 
 
 

264. Which of the following does not contain chlorophyll?

 
 
 
 

265. The largest alga is:

 
 
 
 

266. Embryophyta includes :

 
 
 
 

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

 
 
 
 

268. The upper region of moss capsule is :

 
 
 
 

269. Mucilaginous canals in Cycas are found in :

 
 
 
 

270. Which one of the following is a monocot?

 
 
 
 

271. What are plasmids?

 
 
 
 

272. The truncated cone of HIV consists of:

 
 
 
 

273. Mycoplasma are sensitive to:

 
 
 
 

274. John Hutchinson divided dicots into two divisions:

 
 
 
 

275. Metulae are found in:

 
 
 
 

276. Who discovered streptomycin?

 
 
 
 

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

 
 
 
 

278. Acellular slime mold is/are:

 
 
 
 

279. Winged pollen grains are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

282. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

284.

 

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

 
 
 
 

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

 
 
 
 

287. Fern phloem lacks:

 
 
 
 

288. Common phycobiont in a lichen is :

 
 
 
 

289. The gametophyte produced by apospory is :

 
 
 
 

290. Fern plants are:

 
 
 
 

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

 
 
 
 

292. Facultative saprophyte is:

 
 
 
 

293. Which organisms are the oldest life forms?

 
 
 
 

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

 
 
 
 

295. Funaria is :

 
 
 
 

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

 
 
 
 

297. The leaves of Funaria are :

 
 
 
 

298. Which is absent from the xylem of Cycas?

 
 
 
 

299. What is absent in Deuteromycetes?

 
 
 
 

300. The ferns are usually found:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

305. Which causes red tide?

 
 
 
 

306. The antherozoids of Funaria are :

 
 
 
 

307. All protozoans possess:

 
 
 
 

308. Select the correct statement: (NEET 2016)

 
 
 
 

309. Green plants are classified as :

 
 
 
 

310. Viroids have:

 
 
 
 

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

 
 
 
 

312. Fruits are not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

316. In moss, sporogenous tissue arises from:

 
 
 
 

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

 
 
 
 

318. Select the wrong statement:

 
 
 
 

319. Some bacteria cannot be killed easily because of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

322. White rust of crucifers is caused by:

 
 
 
 

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

 
 
 
 

324. Cryptogams include :

 
 
 
 

325. Which is the correct statement about Selaginella?

 
 
 
 

326. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

330. Bacteriophages have been used as:

 
 
 
 

331. Which is a tautonym?

 
 
 
 

332. Which condition is found in Cycas?

 
 
 
 

333. Kuru, a human disease is caused by:

 
 
 
 

334. Isomorphic type alternation of generation is found in:

 
 
 
 

335. 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?

 
 
 
 

336. Early blight of potato is caused by:

 
 
 
 

337. The order generally ends with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

340. Most primitive embryophytes are placed in:

 
 
 
 

341. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

343. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

344. Heterocysts are found in :

 
 
 
 

345. Cycas is different from mango in :

 
 
 
 

346. The chief characteristic of bryophyta is that :

 
 
 
 

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

 
 
 
 

348. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

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

 
 
 
 

350. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

353. Which of the following lichens is harmful?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

356. Heterotrichous habit means :

 
 
 
 

357. The photosynthetic protists are:

 
 
 
 

358. Bacteria were first discovered by:

 
 
 
 

359. Siphonogamy is found in:

 
 
 
 

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

 
 
 
 

361. Mycoplasma is different from bacteria due to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

364. In binomial system most of the words are:

 
 
 
 

365. Lichens reproduce by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

368. Funaria is :

 
 
 
 

369. Spirogyra represents the :

 
 
 
 

370. In Gymnosperms endosperm is a:

 
 
 
 

371. The leafy fern plant represents the:

 
 
 
 

372. The orders generally have the uniform endings:

 
 
 
 

373. Economic importance of bacteria lies in their being:

 
 
 
 

374. Protists which are diploid reproduce sexually by:

 
 
 
 

375. Gametophyte is the main plant body in :

 
 
 
 

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

 
 
 
 

377. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

378. Who discovered cyanophages?

 
 
 
 

379. The sporophyte of Riccia is represented by :

 
 
 
 

380. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

383. Cell walls of Gram-positive bacteria contain:

 
 
 
 

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

 
 
 
 

385. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

386. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

387. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

390. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

391. The ascus of yeast contains:

 
 
 
 

392. The sexual reproductive organs in Rhizopus are:

 
 
 
 

393. Citrus canker is caused by :

 
 
 
 

394. The gametophyte of fern is as:

 
 
 
 

395. Linnaeus is credited with introducing:

 
 
 
 

396. The most important property of yeast is:

 
 
 
 

397. The male gametes of Pinus are :

 
 
 
 

398. Pasteurized milk is:

 
 
 
 

399. The microsporophylls on the cone of Cycas are :

 
 
 
 

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

 
 
 
 

401. Mycoplasma contains:

 
 
 
 

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

 
 
 
 

403. The sori in Dryopteris are found on:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

406. Most common type of conjugation in Spirogyra is :

 
 
 
 

407. Which of the following statement is correct?

 
 
 
 

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

 
 
 
 

409. Pythium debaryanum is the causative agent of:

 
 
 
 

410. The fungi that grow on wood are called:

 
 
 
 

411. In moss, peristomial teeth are:

 
 
 
 

412. In Cycas the fertilization is:

 
 
 
 

413. Acetobacter is useful in:

 
 
 
 

414. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

415. The tree fern is:

 
 
 
 

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

 
 
 
 

417. Halophiles are the bacteria that require for growth:

 
 
 
 

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

 
 
 
 

419. Spores of which plants have chloroplast:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

422. Saccharomyces ludwigii ascus produces:

 
 
 
 

423. Pseudomycelium is found in:

 
 
 
 

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

 
 
 
 

425. Gram stain is used to:

 
 
 
 

426. Sleeping sickness disease in man is caused by:

 
 
 
 

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

 
 
 
 

428. Woody climbers are known as :

 
 
 
 

429. Psilotum is:

 
 
 
 

430. Among the algae kelps are :

 
 
 
 

431. Genetic material of TMV is:

 
 
 
 

432. Chemosynthetic bacteria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

435. The gametophyte of moss has distinct phases :

 
 
 
 

436. First animal pathogenic virus was discovered by:

 
 
 
 

437. The fungi are mostly:

 
 
 
 

438. Virion refers to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

442. Mycoplasmas are not viruses in nature because:

 
 
 
 

443. Penicillin was discovered by:

 
 
 
 

444. Helotism word is used for the symbiosis between :

 
 
 
 

445. Bacteria are placed under:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

448. . Tapetum develops in:

 
 
 
 

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

 
 
 
 

450. Reproduction in Cycas takes place by :

 
 
 
 

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

 
 
 
 

452. Polystelic condition is found in:

 
 
 
 

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

 
 
 
 

454. Male gametes in Dryopteris are:

 
 
 
 

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

 
 
 
 

456. Pollination in Cycas takes place by :

 
 
 
 

457. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

460. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

462. Seeds are characteristically found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

466. Sporophyte of Funaria is :

 
 
 
 

467. Mycoplasma are:

 
 
 
 

468. Black rust of wheat is caused by:

 
 
 
 

469. Broad spectrum antibiotic is, which:

 
 
 
 

470. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

472. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

474. Simple polyembryony is found in :

 
 
 
 

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

 
 
 
 

476. Absorptive nutrition is:

 
 
 
 

477. Lichens are ecologically important because :

 
 
 
 

478. The Rhizopus is:

 
 
 
 

479. An Hfr bacterium is one that contains:

 
 
 
 

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

 
 
 
 

481. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

484. Most primitive group of vascular plants are:

 
 
 
 

485. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

488. Black rust of wheat is caused by:

 
 
 
 

489. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

496. LSD is:

 
 
 
 

497. 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:

 
 
 
 

498. The development of sporangium in Selaginella is:

 
 
 
 

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

 
 
 
 

500. The similarity between cyanobacteria and bacteria:

 
 
 
 

501. The role of meiosis is for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

504. Facultative parasite is:

 
 
 
 

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

 
 
 
 

506. Bacteriophage consists of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

510. Oswald Tippo’s classification was based on :

 
 
 
 

511.

512. Mixed cropping helps :

 
 
 
 

513. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

516. Which of the following are included in Tracheophyta?

 
 
 
 

517. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

520. Sexual reproduction in Rhizopus is by:

 
 
 
 

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

 
 
 
 

522. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

524. Which of the following are absent in Mycoplasma?

 
 
 
 

525. Saccharomyces is used in:

 
 
 
 

526. Cocci types of bacteria are:

 
 
 
 

527. The vascular bundles of Cycas stem are :

 
 
 
 

528. In Pteris, the archegonia are present:

 
 
 
 

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

 
 
 
 

530. Anoxygenic photosynthesis occurs in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

533. Heterospory is the production of:

 
 
 
 

534. Viruses are commonly transmitted in plants through:

 
 
 
 

535. Special feature of pollen grains of Pinus is :

 
 
 
 

536. The root nodules of leguminous plants contain:

 
 
 
 

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

 
 
 
 

538. The teeth of peristome of Funaria are :

 
 
 
 

539. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

540. Milk is converted to curd by:

 
 
 
 

541. Interferon is a:

 
 
 
 

542. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

544. Some biologists have used the term Mycetozoa for:

 
 
 
 

545. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

546. Bacteria are found everywhere, except:

 
 
 
 

547. Which is not found in bacteria?

 
 
 
 

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

 
 
 
 

549. Reserve food in Euglena is:

 
 
 
 

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

 
 
 
 

551. A gill of Agaricus:

 
 
 
 

552. Which statement is wrong in regard to bacteria?

 
 
 
 

553. Viruses are considered to be:

 
 
 
 

554. Ovules are not found enclosed in ovary of:

 
 
 
 

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

 
 
 
 

556. Funaria are commonly found :

 
 
 
 

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

 
 
 
 

558. In moss, stomata are found:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

562. Lichens show :

 
 
 
 

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

 
 
 
 

564. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

566. Pteridophyta are also called:

 
 
 
 

567. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

568. Ovules are not found enclosed in ovary in :

 
 
 
 

569. Streptomycin is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

572. Wine turns sour because of:

 
 
 
 

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

 
 
 
 

574. In Cycas:

 
 
 
 

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

 
 
 
 

576. Ovary is absent in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

579. Cycas is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

582. Climbers are found in genus:

 
 
 
 

583. Clostridium can:

 
 
 
 

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

 
 
 
 

585. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

587. True sexuality is not found in:

 
 
 
 

588. Which class of Protozoa includes all parasitic forms?

 
 
 
 

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

 
 
 
 

590. Ulothrix produces :

 
 
 
 

591. In moss, sporophyte is formed on:

 
 
 
 

592. Pasteur is famous for his:

 
 
 
 

593. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

597. Heterospory and ligulate leaves are a feature of:

 
 
 
 

598. Standard size of a herbarium sheet is:

 
 
 
 

599. Which is a fungicide?

 
 
 
 

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

 
 
 
 

601. Longest known virus is:

 
 
 
 

602. Winged seeds are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

606. The roots of Cycas are :

 
 
 
 

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

 
 
 
 

608. Who discovered heterothallism in fungi?

 
 
 
 

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

 
 
 
 

610. Which have the largest antherozoid?

 
 
 
 

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

 
 
 
 

612. Club moss and Peat moss belong to:

 
 
 
 

613. Spermatophyta are characterized by producing:

 
 
 
 

614. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

616. The sporophyte of Riccia is :

 
 
 
 

617. Majority of lichens are :

 
 
 
 

618. Photosynthetic bacteria have:

 
 
 
 

619. In a bacteriophage, DNA is present in:

 
 
 
 

620. Detailed study of bacteriophage was made by:

 
 
 
 

621. The mode of nutrition of bacteria is usually:

 
 
 
 

622. Tautonyms are illegitimate in:

 
 
 
 

623. Mycoplasma was discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

626. Cleavage polyembryony is found in :

 
 
 
 

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

 
 
 
 

628. The group algae possesses representatives belonging to kingdom:

 
 
 
 

629. The central part of Funaria axis is :

 
 
 
 

630. The antibiotic is obtained from:

 
 
 
 

631. Germ theory of disease was proposed by:

 
 
 
 

632. The middle sterile part of capsule is called:

 
 
 
 

633. Lichens are indicators of :

 
 
 
 

634. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

635. Leprosy is caused by:

 
 
 
 

636. Ergot of rye is caused by:

 
 
 
 

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

 
 
 
 

638. Discovery of penicillin was based on:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

641. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

648. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

650. Green plants are classified as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

655. Funaria can be differentiated from Cycas :

 
 
 
 

656. The coralloid roots are :

 
 
 
 

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

 
 
 
 

658. Fern prothallus is:

 
 
 
 

659. Which is an exception to cell theory?

 
 
 
 

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

 
 
 
 

661. Which lichen is called Reindeer moss?

 
 
 
 

662. The disease symptom necrosis refers to :

 
 
 
 

663. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

667. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

668. Ergot is obtained from :

 
 
 
 

669. Indusium in Dryopteris is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

672. Which of the following are included in Tracheophyta?

 
 
 
 

673. Which among the following is a shrub?

 
 
 
 

674. Nannandria are:

 
 
 
 

675. Disease resistant plant varieties can be produced by :

 
 
 
 

676. One of the distinctive feature of Spirogyra is :

 
 
 
 

677. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

680. Most of the algae are :

 
 
 
 

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

 
 
 
 

682. The fern plant is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

686. The term stele was given by:

 
 
 
 

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

 
 
 
 

688. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

692. Bacteria growing on synthetic medium are called:

 
 
 
 

693. What is the role of nitrifying bacteria?

 
 
 
 

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

 
 
 
 

695. Pollination drop is:

 
 
 
 

696. Which of the following is true for Selaginella?

 
 
 
 

697. Ovary is absent in :

 
 
 
 

698. The phloem of vascular system of Cycas is :

 
 
 
 

699. Heterosporous pteridophytes always form:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

702. Reproduction in Rhizopus is:

 
 
 
 

703. Methanogens belong to:

 
 
 
 

704. In Selaginella, the microsporangia are:

 
 
 
 

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

 
 
 
 

706. Triple antigen injection or vaccine are for:

 
 
 
 

707. 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?

 
 
 
 

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

 
 
 
 

709. 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?

 
 
 
 

710. Lichens reproduce by :

 
 
 
 

711. The gametophyte of fern bears:

 
 
 
 

712. Cellular slime mold is:

 
 
 
 

713. Lichens form the first community in

 
 
 
 

714. Which part of Riccia bears nurse cells?

 
 
 
 

715. Which is a redwood tree?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

720. Roots are absent in :

 
 
 
 

721. The sporangiophores in Rhizopus are:

 
 
 
 

722. To which country Antony van Leeuwenhoek belong?

 
 
 
 

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

 
 
 
 

724. The fungi used as food are:

 
 
 
 

725. Which of the following is a heterosporous pteridophyte?

 
 
 
 

726. 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?

 
 
 
 

727. Typhoid in man is caused by:

 
 
 
 

728. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

729. Cyanophage is a virus that attacks:

 
 
 
 

730. Pneumonia is caused by:

 
 
 
 

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

 
 
 
 

732. Protozoans are considered animals because these are:

 
 
 
 

733. The plants of Funaria grow :

 
 
 
 

734. The development of Selaginella embryo is:

 
 
 
 

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

 
 
 
 

736. Pasteurization of milk involves heating for:

 
 
 
 

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

 
 
 
 

738. In a diplontic life cycle:

 
 
 
 

739. The DNA of E coli is:

 
 
 
 

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

 
 
 
 

741. The megasporangium of Selaginella is:

 
 
 
 

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

 
 
 
 

743. Late blight of potato is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

746. Ovules are not found enclosed in ovary in :

 
 
 
 

747. Fruiting body of lichens is :

 
 
 
 

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

 
 
 
 

749. Vascular cryptogams is the term used for:

 
 
 
 

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

 
 
 
 

751. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

753. 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:

 
 
 
 

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

 
 
 
 

755. E coli is a:

 
 
 
 

756. Soil fertility is lost by the activities of:

 
 
 
 

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

 
 
 
 

758. Why is Cycas called a living fossil?

 
 
 
 

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

 
 
 
 

760. Chemosynthetic bacteria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

764. Photosynthetic protists belong to:

 
 
 
 

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

 
 
 
 

766. Rhizopus and yeast are usually:

 
 
 
 

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

 
 
 
 

768. Yeast grows more rapidly in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

772. Enzymes are absent in:

 
 
 
 

773. Vegetative reproduction in Cycas is by means of :

 
 
 
 

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

 
 
 
 

775. Which of the following applies to Selaginella?

 
 
 
 

776. The most primitive vascular plants is:

 
 
 
 

777. What is a vector?

 
 
 
 

778. In moss, reduction division occurs in :

 
 
 
 

779. Bryophyta have a special character from other plants:

 
 
 
 

780. Sometimes the bacterial cell is enclosed in:

 
 
 
 

781. Yeast belongs to class:

 
 
 
 

782. Penicillin is obtained from:

 
 
 
 

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

 
 
 
 

784. In Cycas which structure is equivalent to stamen?

 
 
 
 

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

 
 
 
 

786. Saccharomyces is well known for:

 
 
 
 

787. Bentham and Hooker placed gymnosperms:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

791. In Gymnocarpeae the fruiting body is :

 
 
 
 

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

 
 
 
 

793. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

795. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

798. The nucleus of bacteria is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

801. Antibiotics cure the disease by:

 
 
 
 

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

 
 
 
 

803. Liverworts are included in :

 
 
 
 

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

 
 
 
 

805. Club moss is the common name of :

 
 
 
 

806. 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:

 
 
 
 

807. Most appropriate word for protozoans is:

 
 
 
 

808. Select the wrong statement:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

811. The stele of Dryopteris is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

815. The first to isolate a plant virus was:

 
 
 
 

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

 
 
 
 

817. Selaginella differs from Moss in having:

 
 
 
 

818. In dinoflagellates, the two flagella are:

 
 
 
 

819. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

822. Infective part of virus was discovered by:

 
 
 
 

823. The spermatozoids of Cycas are :

 
 
 
 

824. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

825. In Funaria :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

828. The megaspore of Selaginella on germination produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

834. The largest known bacterium is:

 
 
 
 

835. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

837. The smallest bacterium is:

 
 
 
 

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

 
 
 
 

839. 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:

 
 
 
 

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

 
 
 
 

841. What is streptomycin?

 
 
 
 

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

 
 
 
 

843. Spirogyra differs from moss protonema in having :

 
 
 
 

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

 
 
 
 

845. Embryophyta includes:

 
 
 
 

846. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

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

 
 
 
 

848. The two conjugating gametangia of Rhizopus are:

 
 
 
 

849. Azolla growing in paddy fields helps in:

 
 
 
 

850. Bacteria which are spherical are called:

 
 
 
 

851. What is mycorrhiza?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

854. What is special feature of fern archegonia?

 
 
 
 

855. Male gametophyte of Selaginella is found:

 
 
 
 

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

 
 
 
 

857. Which is the nuclear material in bacteria?

 
 
 
 

858. The archegonia in Selaginella develop on:

 
 
 
 

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

 
 
 
 

860. Bacteria differ from viruses in being sensitive to:

 
 
 
 

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

 
 
 
 

862. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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