Quiz_Random

1. Nitrifying bacteria play an important role by converting:

 
 
 
 

2. Who named prion?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. The antherozoids of Funaria are :

 
 
 
 

6. Antibiotic has been extracted from :

 
 
 
 

7. Funaria is :

 
 
 
 

8. Which is the correct statement about Selaginella?

 
 
 
 

9. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

11. Fruits are not found in :

 
 
 
 

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

 
 
 
 

13. Centric discoid form of diatom is:

 
 
 
 

14. Penicillin was discovered by:

 
 
 
 

15. Cell walls of Gram-positive bacteria contain:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Nitrogen-fixing bacteria may be located:

 
 
 
 

20. Saccharomyces is well known for:

 
 
 
 

21. Common phycobiont in a lichen is :

 
 
 
 

22. Which of the following shows heterotrichous habit?

 
 
 
 

23. In moss, calyptra is formed from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Linnaeus is credited with introducing:

 
 
 
 

28. Yeast belongs to class:

 
 
 
 

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

 
 
 
 

30. The sporophyte of Riccia is represented by :

 
 
 
 

31. Liverworts are included in :

 
 
 
 

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

 
 
 
 

33. Bacteriophages have been used as:

 
 
 
 

34. Sporophyte of Funaria is :

 
 
 
 

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

 
 
 
 

36. The photosynthetic protists are:

 
 
 
 

37. True sexuality is not found in:

 
 
 
 

38. An Hfr bacterium is one that contains:

 
 
 
 

39. Photosynthetic bacteria have:

 
 
 
 

40. Vegetative reproduction in Cycas is by means of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Lichens reproduce by :

 
 
 
 

44. Photoautotrophic bacteria have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Bacteria growing on synthetic medium are called:

 
 
 
 

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

 
 
 
 

49. Which of the following is a monocot?

 
 
 
 

50. The tallest moss in the world is :

 
 
 
 

51. Sleeping sickness disease in man is caused by:

 
 
 
 

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

 
 
 
 

53. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

55. Transfusion tissue is present in the leaflet of:

 
 
 
 

56. The smallest unit of classification is:

 
 
 
 

57. Embryophyta includes :

 
 
 
 

58. In Pteris, the roots are:

 
 
 
 

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

 
 
 
 

60. Reproduction in Cycas takes place by :

 
 
 
 

61. Heterosporous pteridophytes always form:

 
 
 
 

62. Late blight of potato is caused by :

 
 
 
 

63. What is absent in Deuteromycetes?

 
 
 
 

64. The order generally ends with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Pollination in Pinus is :

 
 
 
 

68. Most primitive embryophytes are placed in:

 
 
 
 

69. The lichens growing on rocks are called :

 
 
 
 

70. In Pteris, the archegonia are present:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Interferon is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Oswald Tippo’s classification is:

 
 
 
 

77. Which of the following is true for viruses?

 
 
 
 

78. The root nodules of leguminous plants contain:

 
 
 
 

79. The teeth of peristome of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Most primitive kind of flower is represented by:

 
 
 
 

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

 
 
 
 

84. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

86. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

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

 
 
 
 

88. The mycelium of Rhizopus is:

 
 
 
 

89. Banana bunchy top is caused by :

 
 
 
 

90. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

92. Chemosynthetic bacteria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

97. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

99. Red rot of sugarcane is caused by :

 
 
 
 

100. Special feature of pollen grains of Pinus is :

 
 
 
 

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

 
 
 
 

102. Oswald Tippo’s classification was based on :

 
 
 
 

103. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

105. In Cycas the fertilization is:

 
 
 
 

106. The disease apple scab is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

110. Endemic plants are characterised by their:

 
 
 
 

111. Anoxygenic photosynthesis occurs in:

 
 
 
 

112. 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:

 
 
 
 

113. Viruses have:

 
 
 
 

114. Wine turns sour because of:

 
 
 
 

115. Which of the following are absent in Mycoplasma?

 
 
 
 

116. Indusium in Dryopteris is:

 
 
 
 

117. Bentham and Hooker placed gymnosperms:

 
 
 
 

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

 
 
 
 

119. Meiosis in Ulothrix takes place:

 
 
 
 

120. Which is a tautonym?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

124. The Rhizopus is:

 
 
 
 

125. Saccharomyces is used in:

 
 
 
 

126. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

127. Cycas revoluta is widely grown as :

 
 
 
 

128. Ginkgo biloba is a:

 
 
 
 

129. In moss, conducting tissue is made up of

 
 
 
 

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

 
 
 
 

131. The sporangiophores in Rhizopus are:

 
 
 
 

132. Plasmids are:

 
 
 
 

133. Some biologists have used the term Mycetozoa for:

 
 
 
 

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

 
 
 
 

135. LSD is:

 
 
 
 

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

 
 
 
 

137. Penicillin is obtained from:

 
 
 
 

138. Cycas is:

 
 
 
 

139. In a diplontic life cycle:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

142. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

143. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

145. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

148. Ethylene oxide is widely used to:

 
 
 
 

149. The role of meiosis is for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

153. Quarantine regulations are concerned with:

 
 
 
 

154. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

156. Vascular cryptogam is the term used for :

 
 
 
 

157. Lichens are indicators of :

 
 
 
 

158. Antibiotics cure the disease by:

 
 
 
 

159. 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:

 
 
 
 

160. Black rust of wheat is caused by:

 
 
 
 

161.

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

 
 
 
 

163. Select the wrong statement:

 
 
 
 

164. Facultative saprophyte is:

 
 
 
 

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

 
 
 
 

166. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

169. Rhizopus belongs to:

 
 
 
 

170. Total parasites belong to:

 
 
 
 

171. Which of the following have a prokaryotic cell?

 
 
 
 

172. The two conjugating gametangia of Rhizopus are:

 
 
 
 

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

 
 
 
 

174. Which part of Riccia bears nurse cells?

 
 
 
 

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

 
 
 
 

176. Gymnosperms could also be called as:

 
 
 
 

177. Which is a redwood tree?

 
 
 
 

178. Economic importance of bacteria lies in their being:

 
 
 
 

179. The fungi are usually:

 
 
 
 

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

 
 
 
 

181. The nucleus of bacteria is:

 
 
 
 

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

 
 
 
 

183. The sporangium of fern contains nearly:

 
 
 
 

184. Siphonogamy is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

189. Aflatoxin is produced as a product in :

 
 
 
 

190. The upper region of moss capsule is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

194. The fungi that grow on wood are called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

197. NBG of Lucknow is now named as:

 
 
 
 

198. Water-net is the name of:

 
 
 
 

199. In Herpes virus DNA is:

 
 
 
 

200. Small epidermal swellings due to infection are called :

 
 
 
 

201. Sexual reproduction of lichen is due to :

 
 
 
 

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

 
 
 
 

203. Meristele of fern is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

208. Chemosynthetic bacteria are:

 
 
 
 

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

 
 
 
 

210. The gametophyte of moss has distinct phases :

 
 
 
 

211. Most resistant spore in bacteria is:

 
 
 
 

212. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

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

 
 
 
 

214. Fertility of the soil is increased by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

217. The central part of Funaria axis is :

 
 
 
 

218. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

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

 
 
 
 

220. The first to isolate a plant virus was:

 
 
 
 

221. The leafy fern plant represents the:

 
 
 
 

222. Azolla growing in paddy fields helps in:

 
 
 
 

223. Reproduction in Rhizopus is:

 
 
 
 

224. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

226. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

227. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

230. The zygospore in Rhizopus on germination forms:

 
 
 
 

231. Etiology includes the study of :

 
 
 
 

232. Gametophyte is the main plant body in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

235. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

243. Citrus canker is caused by :

 
 
 
 

244. The term stele was given by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

248. Lichens are ecologically important because :

 
 
 
 

249. Asexual reproductive body of Volvox is called:

 
 
 
 

250. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

252. Select the correct statement: (NEET 2016)

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

257. All protozoans possess:

 
 
 
 

258. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

260. Generic name of mango is:

 
 
 
 

261. Mycoplasma are:

 
 
 
 

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

 
 
 
 

263. Some diseases caused by bacteria are:

 
 
 
 

264. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

265. Red rot of sugarcane is caused by:

 
 
 
 

266. The antibiotic is obtained from:

 
 
 
 

267. Which is the nuclear material in bacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

271. The phloem of vascular system of Cycas is :

 
 
 
 

272. Which is absent from the xylem of Cycas?

 
 
 
 

273. Male gametophyte of Selaginella is found:

 
 
 
 

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

 
 
 
 

275. Enteric bacteria are those bacteria that live:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

279. Number of capsomeres forming capsid of TMV is:

 
 
 
 

280. Which one of the following is a monocot?

 
 
 
 

281. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

283. In Cycas:

 
 
 
 

284. Green plants are classified as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

289. Agar-agar is obtained from:

 
 
 
 

290. In Cycas which structure is equivalent to stamen?

 
 
 
 

291. Selaginella differs from Moss in having:

 
 
 
 

292. Smut of maize is caused by :

 
 
 
 

293. Pseudomycelium is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

296. Ergot of rye is caused by:

 
 
 
 

297. Viroids have:

 
 
 
 

298. Which statement is wrong in regard to bacteria?

 
 
 
 

299. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

301. The young leaves of Cycas have :

 
 
 
 

302. In binomial system most of the words are:

 
 
 
 

303. Where does meiosis occur in yeast?

 
 
 
 

304. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

305. What is special feature of fern archegonia?

 
 
 
 

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

 
 
 
 

307. The chief characteristic of bryophyta is that :

 
 
 
 

308. The ascus of yeast contains:

 
 
 
 

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

 
 
 
 

310. The middle sterile part of capsule is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

313. Mycoplasma are sensitive to:

 
 
 
 

314. Pasteurization of milk involves heating for:

 
 
 
 

315. Bacteria are found everywhere, except:

 
 
 
 

316. To which class Riccia belongs :

 
 
 
 

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

 
 
 
 

318. Black rust of wheat is caused by:

 
 
 
 

319. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

324. Bryophyta have a special character from other plants:

 
 
 
 

325. The genetic material of poxvirus is:

 
 
 
 

326. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

329. Which of the following have algal zone?

 
 
 
 

330. The microsporophylls on the cone of Cycas are :

 
 
 
 

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

 
 
 
 

332. The fern plant is:

 
 
 
 

333. Clostridium can:

 
 
 
 

334. Pythium debaryanum is the causative agent of:

 
 
 
 

335. Early blight of potato is caused by:

 
 
 
 

336. Placenta in fern is:

 
 
 
 

337. Iodine is obtained from :

 
 
 
 

338. Spermatophyta are characterized by producing:

 
 
 
 

339. Which of the following does not contain chlorophyll?

 
 
 
 

340. Which is a fungicide?

 
 
 
 

341. Enzymes are absent in:

 
 
 
 

342. Typhoid in man is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

345. Mycoplasma is different from bacteria due to:

 
 
 
 

346. Heterospory is the production of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

350. Polystelic condition is found in:

 
 
 
 

351. The DNA of E coli is:

 
 
 
 

352. The chief characteristic of class Ascomycetes is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

357. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

360. Multicellular and jacketed sex organs are found in :

 
 
 
 

361. Saccharomyces ludwigii ascus produces:

 
 
 
 

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

 
 
 
 

363. Rhizophore of Selaginella is:

 
 
 
 

364. In moss, stomata are found:

 
 
 
 

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

 
 
 
 

366. Funaria is a Bryophyta because :

 
 
 
 

367. Cryptogams include :

 
 
 
 

368. The Rhizopus gametes are formed in:

 
 
 
 

369. Bacteria differ from viruses in being sensitive to:

 
 
 
 

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

 
 
 
 

371. Acellular slime mold is/are:

 
 
 
 

372. The male gametes of Pinus are :

 
 
 
 

373. Mixed cropping helps :

 
 
 
 

374. Little leaf disease of Brinjal is caused by:

 
 
 
 

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

 
 
 
 

376. The megasporangium of Selaginella is:

 
 
 
 

377. Which is an edible fungus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

380. Pasteurized milk is:

 
 
 
 

381. Spirogyra represents the :

 
 
 
 

382. The chromosomal number in:

 
 
 
 

383. The archegonia of Selaginella are differentiated by:

 
 
 
 

384. Lichens form the first community in

 
 
 
 

385. Fruits are not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

388. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

389. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

391. Fairy ring is the name given to:

 
 
 
 

392. A gill of Agaricus:

 
 
 
 

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

 
 
 
 

394. In Funaria, calyptra is derived from :

 
 
 
 

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

 
 
 
 

396. Spirogyra differs from moss protonema in having :

 
 
 
 

397. Leprosy is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

400. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

401. Pteridophytes are also known as :

 
 
 
 

402. Botulism is a:

 
 
 
 

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

 
 
 
 

404. Infective part of virus was discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

407. The fungi used as food are:

 
 
 
 

408. Water-borne bacterial diseases are:

 
 
 
 

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

 
 
 
 

410. Germ theory of disease was proposed by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

413. Most appropriate word for protozoans is:

 
 
 
 

414. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

415. Bacteria are placed under:

 
 
 
 

416. Some bacteria cannot be killed easily because of:

 
 
 
 

417. Lichens show :

 
 
 
 

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

 
 
 
 

419. Most of the algae are :

 
 
 
 

420. Protozoans are considered animals because these are:

 
 
 
 

421. Ovules are not found enclosed in ovary of:

 
 
 
 

422. What is a vector?

 
 
 
 

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

 
 
 
 

424. Virus and bacteriophage are made-up of:

 
 
 
 

425. Sexual reproduction in Rhizopus is by:

 
 
 
 

426. Fern prothallus is:

 
 
 
 

427. The tree fern is:

 
 
 
 

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

 
 
 
 

429. Which of the following statement is correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

432. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

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

 
 
 
 

434. Bivalved siliceous shell or frustule occur in:

 
 
 
 

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

 
 
 
 

436. Majority of lichens are :

 
 
 
 

437. Cellular slime mold is:

 
 
 
 

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

 
 
 
 

439. Cyathia is characterized by:

 
 
 
 

440. Pinus is:

 
 
 
 

441. Helotism word is used for the symbiosis between :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

444. In moss, sporophyte is formed on:

 
 
 
 

445. The largest alga is:

 
 
 
 

446. Which of the following are included in Tracheophyta?

 
 
 
 

447. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

448. Which is a gametophytic tissue?

 
 
 
 

449. Pinus microsporophyll bears:

 
 
 
 

450. Downy mildew disease is caused by :

 
 
 
 

451. Nannandria are:

 
 
 
 

452. Bacteriophage consists of:

 
 
 
 

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

 
 
 
 

454. The sporophyte of Riccia is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

457. Rhizoids of Riccia are :

 
 
 
 

458. Which condition is found in Cycas?

 
 
 
 

459. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

468. Ovary is absent in:

 
 
 
 

469. Who among the following discovered virus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

472. Pneumonia is caused by:

 
 
 
 

473. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

475. What is mycorrhiza?

 
 
 
 

476. Bacteria which are spherical are called:

 
 
 
 

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

 
 
 
 

478. Water bloom is generally caused by :

 
 
 
 

479. All algae have:

 
 
 
 

480. Heterospory and ligulate leaves are a feature of:

 
 
 
 

481. Yeast is a source of:

 
 
 
 

482. Rice, pea, potato are :

 
 
 
 

483. Pasteur is famous for his:

 
 
 
 

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

 
 
 
 

485. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

489. Seeds are characteristically found in:

 
 
 
 

490. Absorptive nutrition is:

 
 
 
 

491. Standard size of a herbarium sheet is:

 
 
 
 

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

 
 
 
 

493. Why is Cycas called a living fossil?

 
 
 
 

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

 
 
 
 

495. Psilotum is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

498. The similarity between cyanobacteria and bacteria:

 
 
 
 

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

 
 
 
 

500. Which one of the following statement is wrong?

 
 
 
 

501. Winged seeds are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

504. 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:

 
 
 
 

505. Circular DNA is seen in:

 
 
 
 

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

 
 
 
 

507. Which of the following is true for Selaginella?

 
 
 
 

508. Acetobacter is useful in:

 
 
 
 

509. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

511. Viruses are considered to be:

 
 
 
 

512. Funaria are commonly found :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

515. Bacteria are considered to be plants because they:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

518. Lichens are the indicator of pollution :

 
 
 
 

519. In moss, sporogenous tissue arises from:

 
 
 
 

520. Streptomycin is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

523. Which of the following is a heterosporous pteridophyte?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

527. Milk is converted to curd by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

530. Discovery of penicillin was based on:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

533. The most primitive vascular plants is:

 
 
 
 

534. Virion refers to:

 
 
 
 

535. Amoeba is a member of the phylum:

 
 
 
 

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

 
 
 
 

537. In Selaginella, the microsporangia are:

 
 
 
 

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

 
 
 
 

539. Coenogamete is found in:

 
 
 
 

540. Botulinum toxin effects:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

543. Heterotrichous habit means :

 
 
 
 

544. The lambda phase is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

547. Aflatoxin is produced by:

 
 
 
 

548. TMV was isolated in crystalline form by:

 
 
 
 

549. Streptomyces falls under:

 
 
 
 

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

 
 
 
 

551. The archegonia in Selaginella develop on:

 
 
 
 

552. The most important property of yeast is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

555. Sometimes the bacterial cell is enclosed in:

 
 
 
 

556. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

559. John Hutchinson divided dicots into two divisions:

 
 
 
 

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

 
 
 
 

561. The largest known bacterium is:

 
 
 
 

562. The prothallus of fern is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

567. The development of Selaginella embryo is:

 
 
 
 

568. Viruses are commonly transmitted in plants through:

 
 
 
 

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

 
 
 
 

570. Fern prothallus produces:

 
 
 
 

571. In Gymnosperms endosperm is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

574. Who discovered cyanophages?

 
 
 
 

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

 
 
 
 

576. Ovary is absent in :

 
 
 
 

577. Detailed study of bacteriophage was made by:

 
 
 
 

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

 
 
 
 

579. Mycoplasmas are not viruses in nature because:

 
 
 
 

580. Broad spectrum antibiotic is, which:

 
 
 
 

581. What is streptomycin?

 
 
 
 

582. Tautonyms are illegitimate in:

 
 
 
 

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

 
 
 
 

584. The smallest bacterium is:

 
 
 
 

585. Most of the lichens are composed of :

 
 
 
 

586. Cleavage polyembryony is found in :

 
 
 
 

587. How a fern differs from a moss?

 
 
 
 

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

 
 
 
 

589. Bacteria were first discovered by:

 
 
 
 

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

 
 
 
 

591. Azolla and Salvinia both are:

 
 
 
 

592. Winged pollen grains are found in :

 
 
 
 

593. Cyanophage is a virus that attacks:

 
 
 
 

594. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

597. Which bacteria convert nitrate into nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

600. Protistan algae obtain their food as:

 
 
 
 

601. The fungi are mostly:

 
 
 
 

602. The gametophyte of fern bears:

 
 
 
 

603. The sporangia of Selaginella are attached:

 
 
 
 

604. Which of the following are included in Tracheophyta?

 
 
 
 

605. Green plants are classified as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

610. 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:

 
 
 
 

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

 
 
 
 

612. Embryophyta includes:

 
 
 
 

613. What is the role of nitrifying bacteria?

 
 
 
 

614. Sporophyte of fern is:

 
 
 
 

615. Triple antigen injection or vaccine are for:

 
 
 
 

616. First animal pathogenic virus was discovered by:

 
 
 
 

617. Reserve food in Euglena is:

 
 
 
 

618. Funaria can be differentiated from Cycas :

 
 
 
 

619. 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:

 
 
 
 

620. Late blight of potato is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

623. Spores of which plants have chloroplast:

 
 
 
 

624. Chief constituents of bordeaux mixture are :

 
 
 
 

625. Which is not true for Escherichia coli?

 
 
 
 

626. Mycoplasma was discovered by:

 
 
 
 

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

 
 
 
 

628. The megaspore of Selaginella on germination produces:

 
 
 
 

629. In Gymnocarpeae the fruiting body is :

 
 
 
 

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

 
 
 
 

631. In dinoflagellates, the two flagella are:

 
 
 
 

632. 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:

 
 
 
 

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

 
 
 
 

634. Soil fertility is lost by the activities of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

637. Roots are absent in :

 
 
 
 

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

 
 
 
 

639. The plants of Funaria grow :

 
 
 
 

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

 
 
 
 

641. The leaf of Cycas shows:

 
 
 
 

642. Seeds are characteristically found in :

 
 
 
 

643. Cycas is different from mango in :

 
 
 
 

644. Which is not found in bacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

647. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

650. Mycoplasma contains:

 
 
 
 

651. The spermatozoids of Cycas are :

 
 
 
 

652. Citrus canker is caused by:

 
 
 
 

653. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

656. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

657. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

659. The sori in Dryopteris are found on:

 
 
 
 

660. 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?

 
 
 
 

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

 
 
 
 

662. To which country Antony van Leeuwenhoek belong?

 
 
 
 

663. Ergot is obtained from :

 
 
 
 

664. Climbers are found in genus:

 
 
 
 

665. Cap cells are found in the filament of:

 
 
 
 

666. Methanogens belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

669. Desired type of Cycas can be grown by:

 
 
 
 

670. Pollination drop is:

 
 
 
 

671. Which causes red tide?

 
 
 
 

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

 
 
 
 

673.

 

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

 
 
 
 

675. Photosynthetic protists belong to:

 
 
 
 

676. Pinus gerardiana is :

 
 
 
 

677. Gram stain is used to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

680. The mode of nutrition of bacteria is usually:

 
 
 
 

681. Lichen show :

 
 
 
 

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

 
 
 
 

683. Which of the following applies to Selaginella?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

686. Facultative parasite is:

 
 
 
 

687. The roots of Cycas are :

 
 
 
 

688. Cycas plant in appearance resembles :

 
 
 
 

689. Which have the largest antherozoid?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

692. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

695. Who discovered streptomycin?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

699. What are plasmids?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

706. Heterocysts are found in :

 
 
 
 

707. The ferns are usually found:

 
 
 
 

708. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

710. Which is an exception to cell theory?

 
 
 
 

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

 
 
 
 

712. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

714. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

717. The seedless plants which possess vascular tissues are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

720. The rhizoids of Funaria are :

 
 
 
 

721. White rust of crucifers is caused by:

 
 
 
 

722. Black rust of wheat is caused by:

 
 
 
 

723. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

726. 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?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

729. Kuru, a human disease is caused by:

 
 
 
 

730. Parmelia belongs to :

 
 
 
 

731. Lichens reproduce by :

 
 
 
 

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

 
 
 
 

733. How is moss different from fern?

 
 
 
 

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

 
 
 
 

735. 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?

 
 
 
 

736. Which lichen is called Reindeer moss?

 
 
 
 

737. Male gametes in Dryopteris are:

 
 
 
 

738. Pteridophyta are also called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

741. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

743. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

752. Redness of red sea is due to :

 
 
 
 

753. In a bacteriophage, DNA is present in:

 
 
 
 

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

 
 
 
 

755. Most primitive group of vascular plants are:

 
 
 
 

756. Genetic material of TMV is:

 
 
 
 

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

 
 
 
 

758. Protists which are diploid reproduce sexually by:

 
 
 
 

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

 
 
 
 

760. The development of sporangium in Selaginella is:

 
 
 
 

761. Simple polyembryony is found in :

 
 
 
 

762. Fruiting body of lichens is :

 
 
 
 

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

 
 
 
 

764. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

765. The truncated cone of HIV consists of:

 
 
 
 

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

 
 
 
 

767.

768.

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

 
 
 
 

770. Vascular tissue is found in :

 
 
 
 

771. Zoogametes are not found in:

 
 
 
 

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

 
 
 
 

773. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

775. Funaria is :

 
 
 
 

776. Smallpox is caused by:

 
 
 
 

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

 
 
 
 

778. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

781. Metulae are found in:

 
 
 
 

782. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

784. The chloroplast of Chlamydomonas are:

 
 
 
 

785. Ulothrix produces :

 
 
 
 

786. The spur of Pinus roxburghii has :

 
 
 
 

787. The leaves of Funaria are :

 
 
 
 

788. Woody climbers are known as :

 
 
 
 

789. The orders generally have the uniform endings:

 
 
 
 

790. Usually, bacteria reproduce by:

 
 
 
 

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

 
 
 
 

792. The group algae possesses representatives belonging to kingdom:

 
 
 
 

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

 
 
 
 

794. Diphtheria is caused by:

 
 
 
 

795. The disease symptom necrosis refers to :

 
 
 
 

796. Fern phloem lacks:

 
 
 
 

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

 
 
 
 

798. Fern plants are:

 
 
 
 

799. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

802. Halophiles are the bacteria that require for growth:

 
 
 
 

803. The gametophyte produced by apospory is :

 
 
 
 

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

 
 
 
 

805. Each chloroplast in Spirogyra bears :

 
 
 
 

806. In tracheophyta:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

810. Who discovered heterothallism in fungi?

 
 
 
 

811. Yeast grows more rapidly in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

814. Longest known virus is:

 
 
 
 

815. Which class of Protozoa includes all parasitic forms?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

818. Lichens are pioneers of vegetation in a :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

821. Which organisms are the oldest life forms?

 
 
 
 

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

 
 
 
 

823. In Funaria :

 
 
 
 

824. In Cycas microsporangia are borne on:

 
 
 
 

825. Cocci types of bacteria are:

 
 
 
 

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

 
 
 
 

827. Select the wrong statement:

 
 
 
 

828. Disease resistant plant varieties can be produced by :

 
 
 
 

829. . Tapetum develops in:

 
 
 
 

830. E coli is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

835. The stele of Dryopteris is a:

 
 
 
 

836. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

837. Vascular cryptogams is the term used for:

 
 
 
 

838. Cycas is :

 
 
 
 

839. 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:

 
 
 
 

840. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

842. The coralloid roots are :

 
 
 
 

843. The source of litmus is :

 
 
 
 

844. The gametophyte of fern is as:

 
 
 
 

845. The zoospores of Ulothrix are :

 
 
 
 

846. Pollination in Cycas takes place by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

849. The prothallus of fern represents the plant:

 
 
 
 

850. Which of the following lichens is harmful?

 
 
 
 

851. The sexual reproductive organs in Rhizopus are:

 
 
 
 

852. In moss, reduction division occurs in :

 
 
 
 

853. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

854. Maximum diversity of life forms occurs in :

 
 
 
 

855. Mucilaginous canals in Cycas are found in :

 
 
 
 

856. 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?

 
 
 
 

857. All archaebacteria lack:

 
 
 
 

858. In moss, peristomial teeth are:

 
 
 
 

859. Rhizopus and yeast are usually:

 
 
 
 

860. Germination of the seed of Pinus is :

 
 
 
 

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

 
 
 
 

862. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

864. In angiosperms double fertilization represents: