Quiz_Random

1. The tallest moss in the world is :

 
 
 
 

2. Viruses are considered to be:

 
 
 
 

3. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Cap cells are found in the filament of:

 
 
 
 

9. In Gymnosperms endosperm is a:

 
 
 
 

10. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

11. Which of the following have algal zone?

 
 
 
 

12. Citrus canker is caused by:

 
 
 
 

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

 
 
 
 

14. Bacteria differ from viruses in being sensitive to:

 
 
 
 

15. Pasteur is famous for his:

 
 
 
 

16. Photosynthetic protists belong to:

 
 
 
 

17. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Helotism word is used for the symbiosis between :

 
 
 
 

22. Saccharomyces is well known for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Heterospory and ligulate leaves are a feature of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Which bacteria convert nitrate into nitrogen?

 
 
 
 

30. Funaria can be differentiated from Cycas :

 
 
 
 

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

 
 
 
 

32. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

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

 
 
 
 

34. Cyanophage is a virus that attacks:

 
 
 
 

35. Choose the correct statement about Spirogyra:

 
 
 
 

36. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

38. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

40. The sporophyte of Riccia is represented by :

 
 
 
 

41. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

43. Who discovered cyanophages?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

48. Lichens are ecologically important because :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. The prothallus of fern is:

 
 
 
 

52. Who named prion?

 
 
 
 

53. The leaf of Cycas shows:

 
 
 
 

54. In binomial system most of the words are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Bacteriophage consists of:

 
 
 
 

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

 
 
 
 

59. Bivalved siliceous shell or frustule occur in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Which statement is wrong in regard to bacteria?

 
 
 
 

64. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. The zygospore in Rhizopus on germination forms:

 
 
 
 

69. Which of the following is true for viruses?

 
 
 
 

70. Rhizopus and yeast are usually:

 
 
 
 

71. The gametophyte of fern bears:

 
 
 
 

72. Simple polyembryony is found in :

 
 
 
 

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

 
 
 
 

74. The smallest unit of classification is:

 
 
 
 

75. Cleavage polyembryony is found in :

 
 
 
 

76. Most appropriate word for protozoans is:

 
 
 
 

77. Which of the following are absent in Mycoplasma?

 
 
 
 

78. Rhizophore of Selaginella is:

 
 
 
 

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

 
 
 
 

80. Smallpox is caused by:

 
 
 
 

81. Endemic plants are characterised by their:

 
 
 
 

82. Pollination in Cycas takes place by :

 
 
 
 

83. Cycas is similar to a mustard plant :

 
 
 
 

84. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

85. Proembryo in Pinus is :

 
 
 
 

86. Which of the following are included in Tracheophyta?

 
 
 
 

87. What is streptomycin?

 
 
 
 

88. Mycoplasmas are not viruses in nature because:

 
 
 
 

89. Fern phloem lacks:

 
 
 
 

90. Which of the following shows heterotrichous habit?

 
 
 
 

91. Who among the following discovered virus?

 
 
 
 

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

 
 
 
 

93. The word “sea weeds” is used for:

 
 
 
 

94. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

96. Bacteria which are spherical are called:

 
 
 
 

97. Yeast is a source of:

 
 
 
 

98. Bacteria growing on synthetic medium are called:

 
 
 
 

99. Embryophyta includes:

 
 
 
 

100. The rhizoids of Funaria are :

 
 
 
 

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

 
 
 
 

102. Botulism is a:

 
 
 
 

103. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

105. Pinus gerardiana is :

 
 
 
 

106. TMV was isolated in crystalline form by:

 
 
 
 

107. In moss, calyptra is formed from:

 
 
 
 

108. The spermatozoids of Cycas are :

 
 
 
 

109. Funaria are commonly found :

 
 
 
 

110. The order generally ends with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

113. Early blight of potato is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

117. 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?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

121. Mycoplasma is different from bacteria due to:

 
 
 
 

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

 
 
 
 

123. Total parasites belong to:

 
 
 
 

124. Diphtheria is caused by:

 
 
 
 

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

 
 
 
 

126. Quarantine regulations are concerned with:

 
 
 
 

127. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

128. An Hfr bacterium is one that contains:

 
 
 
 

129. Black rust of wheat is caused by:

 
 
 
 

130. Liverworts are included in :

 
 
 
 

131. Roots are absent in :

 
 
 
 

132. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

133. Most primitive group of vascular plants are:

 
 
 
 

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

 
 
 
 

135. Zoogametes are not found in:

 
 
 
 

136. Economic importance of bacteria lies in their being:

 
 
 
 

137. Sporophyte of fern is:

 
 
 
 

138. To which country Antony van Leeuwenhoek belong?

 
 
 
 

139. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

141. Pteridophyta are also called:

 
 
 
 

142. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

144. Late blight of potato is caused by :

 
 
 
 

145. The two conjugating gametangia of Rhizopus are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

149. Mycoplasma contains:

 
 
 
 

150. Anoxygenic photosynthesis occurs in:

 
 
 
 

151. To which class Riccia belongs :

 
 
 
 

152. In Funaria, calyptra is derived from :

 
 
 
 

153. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

156. The megaspore of Selaginella on germination produces:

 
 
 
 

157. Yeast grows more rapidly in:

 
 
 
 

158. The root nodules of leguminous plants contain:

 
 
 
 

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

 
 
 
 

160. In Pteris, the roots are:

 
 
 
 

161. Which of the following is true for Selaginella?

 
 
 
 

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

 
 
 
 

163. Fern plants are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

166. Red rot of sugarcane is caused by :

 
 
 
 

167. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

168. Cell walls of Gram-positive bacteria contain:

 
 
 
 

169. Clostridium can:

 
 
 
 

170. Which of the following lichens is harmful?

 
 
 
 

171. The nucleus of bacteria is:

 
 
 
 

172. Which is an exception to cell theory?

 
 
 
 

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

 
 
 
 

174. The coralloid roots are :

 
 
 
 

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

 
 
 
 

176. 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:

 
 
 
 

177. Which is the correct statement about Selaginella?

 
 
 
 

178. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

183. The role of meiosis is for:

 
 
 
 

184. What is the role of nitrifying bacteria?

 
 
 
 

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

 
 
 
 

186. What is a vector?

 
 
 
 

187. Meristele of fern is:

 
 
 
 

188. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

189. Spermatophyta are characterized by producing:

 
 
 
 

190. The gametophyte of moss has distinct phases :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

193. The photosynthetic protists are:

 
 
 
 

194. Mostly type of zygospore in Ulothrix is:

 
 
 
 

195. Winged seeds are found in :

 
 
 
 

196. Rhizopus belongs to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

200. Soil fertility is lost by the activities of:

 
 
 
 

201. Which of the following is sago palm?

 
 
 
 

202. Which causes red tide?

 
 
 
 

203. The source of litmus is :

 
 
 
 

204. Ergot of rye is caused by:

 
 
 
 

205. Tautonyms are illegitimate in:

 
 
 
 

206. Halophiles are the bacteria that require for growth:

 
 
 
 

207. Penicillin was discovered by:

 
 
 
 

208. Photosynthetic bacteria have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

212. Heterotrichous habit means :

 
 
 
 

213. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

216. Which fixes atmospheric nitrogen?

 
 
 
 

217. Lichens are pioneers of vegetation in a :

 
 
 
 

218. . Tapetum develops in:

 
 
 
 

219. Lichens are indicators of :

 
 
 
 

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

 
 
 
 

221. True sexuality is not found in:

 
 
 
 

222. How is moss different from fern?

 
 
 
 

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

 
 
 
 

224. Ginkgo biloba is a:

 
 
 
 

225. Which among the following is a shrub?

 
 
 
 

226. Viruses are commonly transmitted in plants through:

 
 
 
 

227. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

228. Which of the following statement is correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

231. Acellular slime mold is/are:

 
 
 
 

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

 
 
 
 

233. Sometimes the bacterial cell is enclosed in:

 
 
 
 

234. Cryptogams include :

 
 
 
 

235. Some biologists have used the term Mycetozoa for:

 
 
 
 

236. In a bacteriophage, DNA is present in:

 
 
 
 

237. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

239. Which is a gametophytic tissue?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

242. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

243. E coli is a:

 
 
 
 

244. Where does meiosis occur in yeast?

 
 
 
 

245. Reserve food in Euglena is:

 
 
 
 

246. Protozoans are considered animals because these are:

 
 
 
 

247. The most important property of yeast is:

 
 
 
 

248. Heterocysts are found in :

 
 
 
 

249. Diploxylic vascular bundles are found in:

 
 
 
 

250. Ovary is absent in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

253. Spirogyra differs from moss protonema in having :

 
 
 
 

254. The middle sterile part of capsule is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

257. What is absent in Deuteromycetes?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

261. The largest alga is:

 
 
 
 

262. In dinoflagellates, the two flagella are:

 
 
 
 

263. LSD is:

 
 
 
 

264. Most of the lichens are composed of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

267. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

268. Germ theory of disease was proposed by:

 
 
 
 

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

 
 
 
 

270. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

274. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

279. Green plants are classified as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

283. Chemosynthetic bacteria are:

 
 
 
 

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

 
 
 
 

285. The prothallus of fern represents the plant:

 
 
 
 

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

 
 
 
 

287. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

292. The smallest bacterium is:

 
 
 
 

293. In angiosperms double fertilization represents:

 
 
 
 

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

 
 
 
 

295. Enteric bacteria are those bacteria that live:

 
 
 
 

296. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

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

 
 
 
 

298. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

302. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

304. White rust of crucifers is caused by:

 
 
 
 

305. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

309. Absorptive nutrition is:

 
 
 
 

310. In moss, stomata are found:

 
 
 
 

311. Cyathia is characterized by:

 
 
 
 

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

 
 
 
 

313. Placenta in fern is:

 
 
 
 

314. Fertility of the soil is increased by:

 
 
 
 

315. Aflatoxin is produced as a product in :

 
 
 
 

316. The teeth of peristome of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

319. Who discovered heterothallism in fungi?

 
 
 
 

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

 
 
 
 

321. The Rhizopus is:

 
 
 
 

322. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

324. Little leaf disease of Brinjal is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

327. Which is the nuclear material in bacteria?

 
 
 
 

328. The young leaves of Cycas have :

 
 
 
 

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

 
 
 
 

330. Cycas is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

333. Heterosporous pteridophytes always form:

 
 
 
 

334. The sporophyte of Riccia is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

338. NBG of Lucknow is now named as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

341. The disease apple scab is caused by:

 
 
 
 

342. Male gametophyte of Selaginella is found:

 
 
 
 

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

 
 
 
 

344. Which is an edible fungus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

348. Bryophyta have a special character from other plants:

 
 
 
 

349. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

352. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

354. The vascular bundles of Cycas stem are :

 
 
 
 

355. In Herpes virus DNA is:

 
 
 
 

356. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

358. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

360. Sleeping sickness disease in man is caused by:

 
 
 
 

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

 
 
 
 

362.

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

 
 
 
 

364. Which is not found in bacteria?

 
 
 
 

365. Lichens form the first community in

 
 
 
 

366. Which of the following is a heterosporous pteridophyte?

 
 
 
 

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

 
 
 
 

368. 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?

 
 
 
 

369. Enzymes are absent in:

 
 
 
 

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

 
 
 
 

371. Gram stain is used to:

 
 
 
 

372. The fungi are mostly:

 
 
 
 

373. How a fern differs from a moss?

 
 
 
 

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

 
 
 
 

375.

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

 
 
 
 

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

 
 
 
 

378. The sporangium of fern contains nearly:

 
 
 
 

379. Citrus canker is caused by :

 
 
 
 

380. Cycas revoluta is widely grown as :

 
 
 
 

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

 
 
 
 

382. Which of the following applies to Selaginella?

 
 
 
 

383. Disease resistant plant varieties can be produced by :

 
 
 
 

384. Streptomyces falls under:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

388. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

390. 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:

 
 
 
 

391. The sporangiophores in Rhizopus are:

 
 
 
 

392. 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:

 
 
 
 

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

 
 
 
 

394. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

396. Meiosis in Ulothrix takes place:

 
 
 
 

397. Which one of the following is a monocot?

 
 
 
 

398. Number of capsomeres forming capsid of TMV is:

 
 
 
 

399. Ulothrix produces :

 
 
 
 

400. Lichens reproduce by :

 
 
 
 

401. In Cycas the fertilization is:

 
 
 
 

402. 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?

 
 
 
 

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

 
 
 
 

404. Antibiotic has been extracted from :

 
 
 
 

405. The sporangia of Selaginella are attached:

 
 
 
 

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

 
 
 
 

407. Which organisms are the oldest life forms?

 
 
 
 

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

 
 
 
 

409. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

411. 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:

 
 
 
 

412. Germination of the seed of Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

415. Antibiotics cure the disease by:

 
 
 
 

416. Saccharomyces ludwigii ascus produces:

 
 
 
 

417. Standard size of a herbarium sheet is:

 
 
 
 

418. The sexual reproductive organs in Rhizopus are:

 
 
 
 

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

 
 
 
 

420. Virus and bacteriophage are made-up of:

 
 
 
 

421. The most primitive vascular plants is:

 
 
 
 

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

 
 
 
 

423. Botulinum toxin effects:

 
 
 
 

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

 
 
 
 

425. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

427. Usually, bacteria reproduce by:

 
 
 
 

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

 
 
 
 

429. Some diseases caused by bacteria are:

 
 
 
 

430. In moss, reduction division occurs in :

 
 
 
 

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

 
 
 
 

432. What are plasmids?

 
 
 
 

433. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

437. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

440. The antherozoids of Funaria are :

 
 
 
 

441. Which is a tautonym?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

445. Which class of Protozoa includes all parasitic forms?

 
 
 
 

446. The lichens growing on rocks are called :

 
 
 
 

447. John Hutchinson divided dicots into two divisions:

 
 
 
 

448. In Selaginella, the microsporangia are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

452. Which part of Riccia bears nurse cells?

 
 
 
 

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

 
 
 
 

454. In Cycas which structure is equivalent to stamen?

 
 
 
 

455. Select the wrong statement:

 
 
 
 

456. The tree fern is:

 
 
 
 

457. Fern prothallus is:

 
 
 
 

458. In Funaria :

 
 
 
 

459. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

461. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

463. Protists which are diploid reproduce sexually by:

 
 
 
 

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

 
 
 
 

465. In moss, conducting tissue is made up of

 
 
 
 

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

 
 
 
 

467. The megasporangium of Selaginella is:

 
 
 
 

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

 
 
 
 

469. The ascus of yeast contains:

 
 
 
 

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

 
 
 
 

471. Bacteria are considered to be plants because they:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

477. Sexual reproduction in Rhizopus is by:

 
 
 
 

478. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

480. Fruits are not found in Cycas because:

 
 
 
 

481. Mycoplasma are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

486. Discovery of penicillin was based on:

 
 
 
 

487. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

488. Wine turns sour because of:

 
 
 
 

489. Some bacteria cannot be killed easily because of:

 
 
 
 

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

 
 
 
 

491. Downy mildew disease is caused by :

 
 
 
 

492. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

496. The leaves of Funaria are :

 
 
 
 

497. Red rot of sugarcane is caused by:

 
 
 
 

498. Detailed study of bacteriophage was made by:

 
 
 
 

499. Virion refers to:

 
 
 
 

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

 
 
 
 

501. In moss, peristomial teeth are:

 
 
 
 

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

 
 
 
 

503. Cocci types of bacteria are:

 
 
 
 

504. Linnaeus is credited with introducing:

 
 
 
 

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

 
 
 
 

506. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

511. What is special feature of fern archegonia?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

514. Green plants are classified as:

 
 
 
 

515. Winged pollen grains are found in :

 
 
 
 

516. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

521. The disease symptom necrosis refers to :

 
 
 
 

522. Azolla and Salvinia both are:

 
 
 
 

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

 
 
 
 

524. Who discovered streptomycin?

 
 
 
 

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

 
 
 
 

526. Club moss and Peat moss belong to:

 
 
 
 

527. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

529. All archaebacteria lack:

 
 
 
 

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

 
 
 
 

531. Late blight of potato is caused by:

 
 
 
 

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

 
 
 
 

533. Redness of red sea is due to :

 
 
 
 

534. The truncated cone of HIV consists of:

 
 
 
 

535. Pollination drop is:

 
 
 
 

536. Polystelic condition is found in:

 
 
 
 

537. In Pteris, the archegonia are present:

 
 
 
 

538. The antibiotic is obtained from:

 
 
 
 

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

 
 
 
 

540. Cycas is different from mango in :

 
 
 
 

541. Psilotum is:

 
 
 
 

542. The Rhizopus gametes are formed in:

 
 
 
 

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

 
 
 
 

544. Mixed cropping helps :

 
 
 
 

545. 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:

 
 
 
 

546. Yeast belongs to class:

 
 
 
 

547. Milk is converted to curd by:

 
 
 
 

548. Cycas is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

551. Rhizoids of Riccia are :

 
 
 
 

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

 
 
 
 

553. The fungi are usually:

 
 
 
 

554. Male gametes in Dryopteris are:

 
 
 
 

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

 
 
 
 

556. The chloroplast in Ulothrix is :

 
 
 
 

557. Facultative parasite is:

 
 
 
 

558. Kuru, a human disease is caused by:

 
 
 
 

559. Why is Cycas called a living fossil?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

562. Penicillin is obtained from:

 
 
 
 

563. Pinus is:

 
 
 
 

564. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

565. The plants of Funaria grow :

 
 
 
 

566. The seedless plants which possess vascular tissues are:

 
 
 
 

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

 
 
 
 

568. Cellular slime mold is:

 
 
 
 

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

 
 
 
 

570. Reproduction in Rhizopus is:

 
 
 
 

571. Which is a redwood tree?

 
 
 
 

572. Facultative saprophyte is:

 
 
 
 

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

 
 
 
 

574. Most of the algae are :

 
 
 
 

575. The similarity between cyanobacteria and bacteria:

 
 
 
 

576. Majority of lichens are :

 
 
 
 

577. Select the wrong statement:

 
 
 
 

578. The development of sporangium in Selaginella is:

 
 
 
 

579. The fungi that grow on wood are called:

 
 
 
 

580. Nitrifying bacteria play an important role by converting:

 
 
 
 

581. Streptomycin is obtained from:

 
 
 
 

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

 
 
 
 

583. Which is absent from the xylem of Cycas?

 
 
 
 

584. Selaginella differs from Moss in having:

 
 
 
 

585. Generic name of mango is:

 
 
 
 

586. What are Cyanobacteria?

 
 
 
 

587. Banana bunchy top is caused by :

 
 
 
 

588. Black rust of wheat is caused by:

 
 
 
 

589. Vegetative reproduction in Cycas is by means of :

 
 
 
 

590. Mycoplasma was discovered by:

 
 
 
 

591. Bacteriophages have been used as:

 
 
 
 

592. Nitrogen-fixing bacteria may be located:

 
 
 
 

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

 
 
 
 

594. 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:

 
 
 
 

595. Which of the following is a parasitic algae?

 
 
 
 

596. First animal pathogenic virus was discovered by:

 
 
 
 

597. In moss, sporogenous tissue arises from:

 
 
 
 

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

 
 
 
 

599. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

602. Fruits are not found in:

 
 
 
 

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

 
 
 
 

604. The leafy fern plant represents the:

 
 
 
 

605. Oswald Tippo’s classification was based on :

 
 
 
 

606. The group algae possesses representatives belonging to kingdom:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

609. The chromosomal number in:

 
 
 
 

610. Indusium in Dryopteris is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

613. Infective part of virus was discovered by:

 
 
 
 

614. Most primitive kind of flower is represented by:

 
 
 
 

615. The fern plant is:

 
 
 
 

616. All algae have:

 
 
 
 

617. In a diplontic life cycle:

 
 
 
 

618. Fern prothallus produces:

 
 
 
 

619. The archegonia of Selaginella are differentiated by:

 
 
 
 

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

 
 
 
 

621. Seeds are characteristically found in:

 
 
 
 

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

 
 
 
 

623. The largest known bacterium is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

626. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

630. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

634. Pasteurization of milk involves heating for:

 
 
 
 

635. Oswald Tippo’s classification is:

 
 
 
 

636. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

639. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

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

 
 
 
 

641. Chemosynthetic bacteria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

644. Coenogamete is found in:

 
 
 
 

645. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

647. Which of the following statements is not correct?

 
 
 
 

648. Plasmids are:

 
 
 
 

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

 
 
 
 

650. Fruiting body of lichens is :

 
 
 
 

651. Bentham and Hooker placed gymnosperms:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

656. The mode of nutrition of bacteria is usually:

 
 
 
 

657. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

660. Parmelia belongs to :

 
 
 
 

661. Which of the following have a prokaryotic cell?

 
 
 
 

662. Transfusion tissue is present in the leaflet of:

 
 
 
 

663. Aflatoxin is produced by:

 
 
 
 

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

 
 
 
 

665. Genetic material of TMV is:

 
 
 
 

666. Vascular cryptogams is the term used for:

 
 
 
 

667. Mucilaginous canals in Cycas are found in :

 
 
 
 

668. The development of Selaginella embryo is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

671. Funaria is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

676. Most primitive embryophytes are placed in:

 
 
 
 

677. The ferns are usually found:

 
 
 
 

678. Water-net is the name of:

 
 
 
 

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

 
 
 
 

680.

 

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

 
 
 
 

682. Lichen show :

 
 
 
 

683. Methanogens belong to:

 
 
 
 

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

 
 
 
 

685. The lambda phase is a:

 
 
 
 

686. Centric discoid form of diatom is:

 
 
 
 

687. Ovules are not found enclosed in ovary of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

690. Common phycobiont in a lichen is :

 
 
 
 

691. Pasteurized milk is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

695. Circular DNA is seen in:

 
 
 
 

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

 
 
 
 

697. Leprosy is caused by:

 
 
 
 

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

 
 
 
 

699. Sexual reproduction of lichen is due to :

 
 
 
 

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

 
 
 
 

701. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

704. Water-borne bacterial diseases are:

 
 
 
 

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

 
 
 
 

706. Broad spectrum antibiotic is, which:

 
 
 
 

707. Sporophyte of Funaria is :

 
 
 
 

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

 
 
 
 

709. The genetic material of poxvirus is:

 
 
 
 

710. Lichens are the indicator of pollution :

 
 
 
 

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

 
 
 
 

712. Spores of which plants have chloroplast:

 
 
 
 

713. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

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

 
 
 
 

715. In tracheophyta:

 
 
 
 

716. Typhoid in man is caused by:

 
 
 
 

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

 
 
 
 

718. Among the algae kelps are :

 
 
 
 

719. Funaria is a Bryophyta because :

 
 
 
 

720. The chief characteristic of class Ascomycetes is:

 
 
 
 

721. Reproduction in Cycas takes place by :

 
 
 
 

722. Vascular cryptogam is the term used for :

 
 
 
 

723. Interferon is a:

 
 
 
 

724. Ethylene oxide is widely used to:

 
 
 
 

725. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

727. In Cycas:

 
 
 
 

728. Cycas plant in appearance resembles :

 
 
 
 

729. Mycoplasma are sensitive to:

 
 
 
 

730. All protozoans possess:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

734. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

735. Iodine is obtained from:

 
 
 
 

736. Triple antigen injection or vaccine are for:

 
 
 
 

737. In Cycas microsporangia are borne on:

 
 
 
 

738. Pneumonia is caused by:

 
 
 
 

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

 
 
 
 

740. The upper region of moss capsule is :

 
 
 
 

741. A gill of Agaricus:

 
 
 
 

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

 
 
 
 

743. The term stele was given by:

 
 
 
 

744. Gametophyte is the main plant body in :

 
 
 
 

745. The gametophyte of fern is as:

 
 
 
 

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

 
 
 
 

747. Select the correct statement: (NEET 2016)

 
 
 
 

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

 
 
 
 

749. Which is a fungicide?

 
 
 
 

750. Saccharomyces is used in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

753. The male gametes of Pinus are :

 
 
 
 

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

 
 
 
 

755. Amoeba is a member of the phylum:

 
 
 
 

756. Acetobacter is useful in:

 
 
 
 

757. The chief characteristic of bryophyta is that :

 
 
 
 

758. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

760. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

762. Ovary is absent in :

 
 
 
 

763. Most common type of conjugation in Spirogyra is :

 
 
 
 

764. Embryophyta includes :

 
 
 
 

765. Which condition is found in Cycas?

 
 
 
 

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

 
 
 
 

767. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

769. Most resistant spore in bacteria is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

772. Azolla growing in paddy fields helps in:

 
 
 
 

773. The sori in Dryopteris are found on:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

782. Pteridophytes are also known as :

 
 
 
 

783. Bacteria are found everywhere, except:

 
 
 
 

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

 
 
 
 

785.

786. Bacteria are placed under:

 
 
 
 

787. What is mycorrhiza?

 
 
 
 

788. Fairy ring is the name given to:

 
 
 
 

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

 
 
 
 

790. Fruits are not found in :

 
 
 
 

791. The mycelium of Rhizopus is:

 
 
 
 

792. The archegonia in Selaginella develop on:

 
 
 
 

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

 
 
 
 

794. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

797. The orders generally have the uniform endings:

 
 
 
 

798. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

802. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

805. Longest known virus is:

 
 
 
 

806. The first to isolate a plant virus was:

 
 
 
 

807. Bacteria were first discovered by:

 
 
 
 

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

 
 
 
 

809. The fungi used as food are:

 
 
 
 

810. 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?

 
 
 
 

811. Protistan algae obtain their food as:

 
 
 
 

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

 
 
 
 

813. Viroids have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

816. Water bloom is generally caused by :

 
 
 
 

817. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

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

 
 
 
 

819. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

821. Siphonogamy is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

824. The gametophyte produced by apospory is :

 
 
 
 

825. Special feature of pollen grains of Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

830. Which is not true for Escherichia coli?

 
 
 
 

831. Which have the largest antherozoid?

 
 
 
 

832. Which of the following are included in Tracheophyta?

 
 
 
 

833. Heterospory is the production of:

 
 
 
 

834. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

838. Viruses have:

 
 
 
 

839. Pseudomycelium is found in:

 
 
 
 

840. Asexual reproductive body of Volvox is called:

 
 
 
 

841. In Gymnocarpeae the fruiting body is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

844. One of the distinctive feature of Spirogyra is :

 
 
 
 

845. Lichens show :

 
 
 
 

846. The central part of Funaria axis is :

 
 
 
 

847. The roots of Cycas are :

 
 
 
 

848. Funaria is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

854. Which lichen is called Reindeer moss?

 
 
 
 

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

 
 
 
 

856. The DNA of E coli is:

 
 
 
 

857. In moss, sporophyte is formed on:

 
 
 
 

858. The microsporophylls on the cone of Cycas are :

 
 
 
 

859. Photoautotrophic bacteria have:

 
 
 
 

860. Metulae are found in:

 
 
 
 

861. The stele of Dryopteris is a:

 
 
 
 

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

 
 
 
 

863. Lichens reproduce by :

 
 
 
 

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