Quiz_Random

1. LSD is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. In dinoflagellates, the two flagella are:

 
 
 
 

5. In Cycas microsporangia are borne on:

 
 
 
 

6. The sporophyte of Riccia is represented by :

 
 
 
 

7. Sleeping sickness disease in man is caused by:

 
 
 
 

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

 
 
 
 

9. Bacteria are placed under:

 
 
 
 

10. The fungi are usually:

 
 
 
 

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

 
 
 
 

12. Little leaf disease of Brinjal is caused by:

 
 
 
 

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

 
 
 
 

14. Spores of which plants have chloroplast:

 
 
 
 

15. The Rhizopus gametes are formed in:

 
 
 
 

16. The smallest unit of classification is:

 
 
 
 

17. In a bacteriophage, DNA is present in:

 
 
 
 

18. Woody climbers are known as :

 
 
 
 

19. Funaria can be differentiated from Cycas :

 
 
 
 

20. The flagella of Chlamydomonas are:

 
 
 
 

21. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Heterotrichous habit means :

 
 
 
 

25. Circular DNA is seen in:

 
 
 
 

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

 
 
 
 

27. Lichen show :

 
 
 
 

28. Downy mildew disease is caused by :

 
 
 
 

29. The nucleus of bacteria is:

 
 
 
 

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

 
 
 
 

31. Cyathia is characterized by:

 
 
 
 

32. Psilotum is:

 
 
 
 

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

 
 
 
 

34. Which one of the following is a monocot?

 
 
 
 

35. 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:

 
 
 
 

36. The upper region of moss capsule is :

 
 
 
 

37. Facultative parasite is:

 
 
 
 

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

 
 
 
 

39. Detailed study of bacteriophage was made by:

 
 
 
 

40. The sporangiophores in Rhizopus are:

 
 
 
 

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

 
 
 
 

42. The role of meiosis is for:

 
 
 
 

43. Mycoplasma are sensitive to:

 
 
 
 

44. Funaria is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Ovary is absent in :

 
 
 
 

49. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

51. The sexual reproductive organs in Rhizopus are:

 
 
 
 

52. Most primitive embryophytes are placed in:

 
 
 
 

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

 
 
 
 

54. Which causes red tide?

 
 
 
 

55. Which of the following is sago palm?

 
 
 
 

56. Pollination in Pinus is :

 
 
 
 

57. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

59. Protistan algae obtain their food as:

 
 
 
 

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

 
 
 
 

61. Which of the following is a monocot?

 
 
 
 

62. In Cycas the fertilization is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

66. Endemic plants are characterised by their:

 
 
 
 

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

 
 
 
 

68. Which is a redwood tree?

 
 
 
 

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

 
 
 
 

70. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Reproduction in Rhizopus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. The truncated cone of HIV consists of:

 
 
 
 

80. Fern prothallus is:

 
 
 
 

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

 
 
 
 

82. The sporophyte of Riccia is :

 
 
 
 

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

 
 
 
 

84. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

88. Placenta in fern is:

 
 
 
 

89. The lichens growing on rocks are called :

 
 
 
 

90. Most of the algae are :

 
 
 
 

91. Water-borne bacterial diseases are:

 
 
 
 

92. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

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

 
 
 
 

94. The disease symptom necrosis refers to :

 
 
 
 

95. Which condition is found in Cycas?

 
 
 
 

96. Some diseases caused by bacteria are:

 
 
 
 

97. The two conjugating gametangia of Rhizopus are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

100. Economic importance of bacteria lies in their being:

 
 
 
 

101. In Selaginella, the microsporangia are:

 
 
 
 

102. Sexual reproduction in Rhizopus is by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

106. Parmelia belongs to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

109. The roots of Cycas are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

112. Cycas revoluta is widely grown as :

 
 
 
 

113. Which lichen is called Reindeer moss?

 
 
 
 

114. The zoospores of Ulothrix are :

 
 
 
 

115. Lichens are indicators of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

121. Ergot of rye is caused by:

 
 
 
 

122. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

125. Sexual reproduction of lichen is due to :

 
 
 
 

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

 
 
 
 

127. Lichens are ecologically important because :

 
 
 
 

128. Heterosporous pteridophytes always form:

 
 
 
 

129. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

131. Which is an edible fungus?

 
 
 
 

132. Quarantine regulations are concerned with:

 
 
 
 

133. Pneumonia is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

137. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

140. Yeast is a source of:

 
 
 
 

141. Ovules are not found enclosed in ovary of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

144. Majority of lichens are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

147. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

150. Most common type of conjugation in Spirogyra is :

 
 
 
 

151. 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?

 
 
 
 

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

 
 
 
 

153. Mycoplasma is different from bacteria due to:

 
 
 
 

154. In moss, sporophyte is formed on:

 
 
 
 

155. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

158. Late blight of potato is caused by:

 
 
 
 

159. Lichens are the indicator of pollution :

 
 
 
 

160. The antherozoids of Funaria are :

 
 
 
 

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

 
 
 
 

162. Lichens reproduce by :

 
 
 
 

163. Total parasites belong to:

 
 
 
 

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

 
 
 
 

165. Liverworts are included in :

 
 
 
 

166. Halophiles are the bacteria that require for growth:

 
 
 
 

167. Enzymes are absent in:

 
 
 
 

168. The photosynthetic protists are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

174. In moss, calyptra is formed from:

 
 
 
 

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

 
 
 
 

176. The source of litmus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

179. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

180. Siphonogamy is found in:

 
 
 
 

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

 
 
 
 

182.

 

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

 
 
 
 

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

 
 
 
 

185. Meristele of fern is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

189. TMV was isolated in crystalline form by:

 
 
 
 

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

 
 
 
 

191. Funaria is :

 
 
 
 

192. Enteric bacteria are those bacteria that live:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

195. Cocci types of bacteria are:

 
 
 
 

196. The development of Selaginella embryo is:

 
 
 
 

197. The fungi used as food are:

 
 
 
 

198. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

201. Which is a gametophytic tissue?

 
 
 
 

202. Roots are absent in :

 
 
 
 

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

 
 
 
 

204. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

206. Each chloroplast in Spirogyra bears :

 
 
 
 

207. Pythium debaryanum is the causative agent of:

 
 
 
 

208. Which is not true for Escherichia coli?

 
 
 
 

209. Winged seeds are found in :

 
 
 
 

210. Which of the following statements is not correct?

 
 
 
 

211. White rust of crucifers is caused by:

 
 
 
 

212. Diphtheria is caused by:

 
 
 
 

213. Nitrogen-fixing bacteria may be located:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

216. Viruses have:

 
 
 
 

217. The root nodules of leguminous plants contain:

 
 
 
 

218. Which fixes atmospheric nitrogen?

 
 
 
 

219. The sporangium of fern contains nearly:

 
 
 
 

220. The spur of Pinus roxburghii has :

 
 
 
 

221. Wine turns sour because of:

 
 
 
 

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

 
 
 
 

223. Zoogametes are not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

226. Which of the following is a heterosporous pteridophyte?

 
 
 
 

227. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

230. Fruits are not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

237. Select the correct statement: (NEET 2016)

 
 
 
 

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

 
 
 
 

239. Bryophyta have been placed in cryptogams because:

 
 
 
 

240. Pasteur is famous for his:

 
 
 
 

241. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

242. 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:

 
 
 
 

243. Virion refers to:

 
 
 
 

244. Which part of Riccia bears nurse cells?

 
 
 
 

245. Heterospory is the production of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

249. Helotism word is used for the symbiosis between :

 
 
 
 

250. Azolla growing in paddy fields helps in:

 
 
 
 

251. Gymnosperms could also be called as:

 
 
 
 

252. The leaves of Funaria are :

 
 
 
 

253. Which of the following are included in Tracheophyta?

 
 
 
 

254. 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:

 
 
 
 

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

 
 
 
 

256. Fern plants are:

 
 
 
 

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

 
 
 
 

258. Viroids have:

 
 
 
 

259. The gametophyte of fern bears:

 
 
 
 

260. Penicillin is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

264. The vascular bundles of Cycas stem are :

 
 
 
 

265. Protozoans are considered animals because these are:

 
 
 
 

266. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

269. Why is Cycas called a living fossil?

 
 
 
 

270. Triple antigen injection or vaccine are for:

 
 
 
 

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

 
 
 
 

272. The ascus of yeast contains:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

275. Acellular slime mold is/are:

 
 
 
 

276. Pinus is:

 
 
 
 

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

 
 
 
 

278. The stele of Dryopteris is a:

 
 
 
 

279. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

280. In moss, stomata are found:

 
 
 
 

281. In Funaria, calyptra is derived from :

 
 
 
 

282. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

284. The gametophyte of moss has distinct phases :

 
 
 
 

285. The gametophyte produced by apospory is :

 
 
 
 

286. The alga, Spirogyra are found in :

 
 
 
 

287. What is the role of nitrifying bacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

293. The order generally ends with:

 
 
 
 

294. Which of the following lichens is harmful?

 
 
 
 

295. Protists which are diploid reproduce sexually by:

 
 
 
 

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

 
 
 
 

297. Chemosynthetic bacteria are:

 
 
 
 

298. Cycas is :

 
 
 
 

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

 
 
 
 

300. The first to isolate a plant virus was:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

304. The lambda phase is a:

 
 
 
 

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

 
 
 
 

306. Reserve food in Euglena is:

 
 
 
 

307. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

309. Which is the correct statement about Selaginella?

 
 
 
 

310. An alga which is rich in proteins:

 
 
 
 

311. Which of the following are absent in Mycoplasma?

 
 
 
 

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

 
 
 
 

313. Bryophyta have a special character from other plants:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

316. Most resistant spore in bacteria is:

 
 
 
 

317. Which of the following is true for Selaginella?

 
 
 
 

318. Embryophyta includes:

 
 
 
 

319. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

320. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

322. All algae have:

 
 
 
 

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

 
 
 
 

324. Streptomycin is obtained from:

 
 
 
 

325. 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?

 
 
 
 

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

 
 
 
 

327. Mycoplasma contains:

 
 
 
 

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

 
 
 
 

329. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

332. Discovery of penicillin was based on:

 
 
 
 

333. Pasteurization of milk involves heating for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

336. The microsporophylls on the cone of Cycas are :

 
 
 
 

337. Fern phloem lacks:

 
 
 
 

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

 
 
 
 

339. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

342. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

344. The rhizoids of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

347. Which is an exception to cell theory?

 
 
 
 

348. Which of the following statement is correct?

 
 
 
 

349. The chief characteristic of class Ascomycetes is:

 
 
 
 

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

 
 
 
 

351. Selaginella differs from Moss in having:

 
 
 
 

352. The most important property of yeast is:

 
 
 
 

353. Mucilaginous canals in Cycas are found in :

 
 
 
 

354. Bacteria were first discovered by:

 
 
 
 

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

 
 
 
 

356. Yeast belongs to class:

 
 
 
 

357. In Gymnocarpeae the fruiting body is :

 
 
 
 

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

 
 
 
 

359. Who discovered streptomycin?

 
 
 
 

360. Fruiting body of lichens is :

 
 
 
 

361. NBG of Lucknow is now named as:

 
 
 
 

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

 
 
 
 

363. Aflatoxin is produced as a product in :

 
 
 
 

364. Most primitive group of vascular plants are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

367. The sori in Dryopteris are found on:

 
 
 
 

368. The prothallus of fern represents the plant:

 
 
 
 

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

 
 
 
 

370. Spermatophyta are characterized by producing:

 
 
 
 

371. Amoeba is a member of the phylum:

 
 
 
 

372. Who discovered cyanophages?

 
 
 
 

373. Virus and bacteriophage are made-up of:

 
 
 
 

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

 
 
 
 

375. The ferns are usually found:

 
 
 
 

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

 
 
 
 

377. Multicellular and jacketed sex organs are found in :

 
 
 
 

378. Heterospory and ligulate leaves are a feature of:

 
 
 
 

379.

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

 
 
 
 

381. The orders generally have the uniform endings:

 
 
 
 

382. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

386. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

387. The mode of nutrition of bacteria is usually:

 
 
 
 

388. Seeds are characteristically found in:

 
 
 
 

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

 
 
 
 

390. Which is a fungicide?

 
 
 
 

391. The tallest moss in the world is :

 
 
 
 

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

 
 
 
 

393. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

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

 
 
 
 

395. Where does meiosis occur in yeast?

 
 
 
 

396. The similarity between cyanobacteria and bacteria:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

399. Diploxylic vascular bundles are found in:

 
 
 
 

400. Pasteurized milk is:

 
 
 
 

401. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

403. Simple polyembryony is found in :

 
 
 
 

404. In binomial system most of the words are:

 
 
 
 

405. Rhizopus and yeast are usually:

 
 
 
 

406. Standard size of a herbarium sheet is:

 
 
 
 

407. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

411. Male gametes in Dryopteris are:

 
 
 
 

412. The group algae possesses representatives belonging to kingdom:

 
 
 
 

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

 
 
 
 

414. Pteridophyta are also called:

 
 
 
 

415. Which of the following does not contain chlorophyll?

 
 
 
 

416. Special feature of pollen grains of Pinus is :

 
 
 
 

417. Which is not found in bacteria?

 
 
 
 

418. Typhoid in man is caused by:

 
 
 
 

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

 
 
 
 

420. Soil fertility is lost by the activities of:

 
 
 
 

421. Germ theory of disease was proposed by:

 
 
 
 

422. The mycelium of Rhizopus is:

 
 
 
 

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

 
 
 
 

424. Desired type of Cycas can be grown by:

 
 
 
 

425. Spirogyra differs from moss protonema in having :

 
 
 
 

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

 
 
 
 

427. Most primitive embryophytes are placed in :

 
 
 
 

428. Bacteria growing on synthetic medium are called:

 
 
 
 

429. Funaria is a Bryophyta because :

 
 
 
 

430. Which organisms are the oldest life forms?

 
 
 
 

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

 
 
 
 

432. In moss, sporogenous tissue arises from:

 
 
 
 

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

 
 
 
 

434. Ulothrix produces :

 
 
 
 

435. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

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

 
 
 
 

437. Linnaeus is credited with introducing:

 
 
 
 

438. Late blight of potato is caused by :

 
 
 
 

439. Antibiotic has been extracted from :

 
 
 
 

440.

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

 
 
 
 

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

 
 
 
 

443. Lichens form the first community in

 
 
 
 

444. Most primitive kind of flower is represented by:

 
 
 
 

445. The Rhizopus is:

 
 
 
 

446. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

447. Gram stain is used to:

 
 
 
 

448. Mycoplasmas are not viruses in nature because:

 
 
 
 

449. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

452. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

456. Sometimes the bacterial cell is enclosed in:

 
 
 
 

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

 
 
 
 

458. 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:

 
 
 
 

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

 
 
 
 

460. Smut of maize is caused by :

 
 
 
 

461. The chloroplast in Ulothrix is :

 
 
 
 

462. Ovary is absent in:

 
 
 
 

463. Most of the lichens are composed of :

 
 
 
 

464. Antibiotics cure the disease by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

467. Kuru, a human disease is caused by:

 
 
 
 

468. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

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

 
 
 
 

470. Funaria are commonly found :

 
 
 
 

471. The development of sporangium in Selaginella is:

 
 
 
 

472. Streptomyces falls under:

 
 
 
 

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

 
 
 
 

474. The most primitive vascular plants is:

 
 
 
 

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

 
 
 
 

476. Longest known virus is:

 
 
 
 

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

 
 
 
 

478. Germination of the seed of Pinus is :

 
 
 
 

479. Bacteriophages have been used as:

 
 
 
 

480. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

482. The DNA of E coli is:

 
 
 
 

483. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

485. Lichens are pioneers of vegetation in a :

 
 
 
 

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

 
 
 
 

487. Vegetative reproduction in Cycas is by means of :

 
 
 
 

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

 
 
 
 

489. All protozoans possess:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

492. Ovules are not found enclosed in ovary in :

 
 
 
 

493. In moss, reduction division occurs in :

 
 
 
 

494. Rhizoids of Riccia are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

497. Photosynthetic protists belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

500. The teeth of peristome of Funaria are :

 
 
 
 

501. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

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

 
 
 
 

503. Ectocarpus produces:

 
 
 
 

504. Synzoospore is produced in:

 
 
 
 

505. Bacteriophage consists of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

511. Pseudomycelium is found in:

 
 
 
 

512. Tautonyms are illegitimate in:

 
 
 
 

513. Who named prion?

 
 
 
 

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

 
 
 
 

515. In Cycas which structure is equivalent to stamen?

 
 
 
 

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

 
 
 
 

517. Bacteria are found everywhere, except:

 
 
 
 

518. Water bloom is generally caused by :

 
 
 
 

519. An Hfr bacterium is one that contains:

 
 
 
 

520. Nitrifying bacteria play an important role by converting:

 
 
 
 

521. True sexuality is not found in:

 
 
 
 

522. The archegonia of Selaginella are differentiated by:

 
 
 
 

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

 
 
 
 

524. Fern prothallus produces:

 
 
 
 

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

 
 
 
 

526. Botulism is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

529. Leprosy is caused by:

 
 
 
 

530. Bacteria which are spherical are called:

 
 
 
 

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

 
 
 
 

532. The young leaves of Cycas have :

 
 
 
 

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

 
 
 
 

534. Azolla and Salvinia both are:

 
 
 
 

535. The fungi are mostly:

 
 
 
 

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

 
 
 
 

537. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

538. Who among the following discovered virus?

 
 
 
 

539. The fungi that grow on wood are called:

 
 
 
 

540. Male gametophyte of Selaginella is found:

 
 
 
 

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

 
 
 
 

542. Cycas is different from mango in :

 
 
 
 

543. Genetic material of TMV is:

 
 
 
 

544. Lichens reproduce by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

547. The megaspore of Selaginella on germination produces:

 
 
 
 

548. Citrus canker is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

551. Etiology includes the study of :

 
 
 
 

552. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

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

 
 
 
 

554. In Cycas:

 
 
 
 

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

 
 
 
 

556. In moss, peristomial teeth are:

 
 
 
 

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

 
 
 
 

558. Sporophyte of Funaria is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

565. Cleavage polyembryony is found in :

 
 
 
 

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

 
 
 
 

567. Most appropriate word for protozoans is:

 
 
 
 

568. Cell walls of Gram-positive bacteria contain:

 
 
 
 

569. Pollination drop is:

 
 
 
 

570. Reproduction in Cycas takes place by :

 
 
 
 

571. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

574. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

577. What is special feature of fern archegonia?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

580. The prothallus of fern is:

 
 
 
 

581. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

584. Nannandria are:

 
 
 
 

585. The leaf of Cycas shows:

 
 
 
 

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

 
 
 
 

587. Saccharomyces is well known for:

 
 
 
 

588. The spermatozoids of Cycas are :

 
 
 
 

589. Botulinum toxin effects:

 
 
 
 

590. All archaebacteria lack:

 
 
 
 

591. Milk is converted to curd by:

 
 
 
 

592. Indusium in Dryopteris is:

 
 
 
 

593. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

595. Which among the following is a shrub?

 
 
 
 

596. Water-net is the name of:

 
 
 
 

597. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

600. Absorptive nutrition is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

606. The central part of Funaria axis is :

 
 
 
 

607. Bentham and Hooker placed gymnosperms:

 
 
 
 

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

 
 
 
 

609. Bivalved siliceous shell or frustule occur in:

 
 
 
 

610. Winged pollen grains are found in :

 
 
 
 

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

 
 
 
 

612. How is moss different from fern?

 
 
 
 

613. The middle sterile part of capsule is called:

 
 
 
 

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

 
 
 
 

615. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

619. Interferon is a:

 
 
 
 

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

 
 
 
 

621. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

624. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

627. Anoxygenic photosynthesis occurs in:

 
 
 
 

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

 
 
 
 

629. A gill of Agaricus:

 
 
 
 

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

 
 
 
 

631. What is a vector?

 
 
 
 

632. Generic name of mango is:

 
 
 
 

633. The plants of Funaria grow :

 
 
 
 

634. The sporangia of Selaginella are attached:

 
 
 
 

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

 
 
 
 

636. The antibiotic is obtained from:

 
 
 
 

637. Methanogens belong to:

 
 
 
 

638. The genetic material of poxvirus is:

 
 
 
 

639. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

644. Saccharomyces is used in:

 
 
 
 

645. John Hutchinson divided dicots into two divisions:

 
 
 
 

646. Select the wrong statement:

 
 
 
 

647. Photoautotrophic bacteria have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

650. Clostridium can:

 
 
 
 

651. Which bacteria convert nitrate into nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

654. Embryo formation is not known in :

 
 
 
 

655. Pinus microsporophyll bears:

 
 
 
 

656. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

658. Pollination in Cycas takes place by :

 
 
 
 

659. The seedless plants which possess vascular tissues are:

 
 
 
 

660. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

662. Smallpox is caused by:

 
 
 
 

663. The coralloid roots are :

 
 
 
 

664. Coenogamete is found in:

 
 
 
 

665. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

666. In Funaria :

 
 
 
 

667. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

670. Ginkgo biloba is a:

 
 
 
 

671. E coli is a:

 
 
 
 

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

 
 
 
 

673. Which is the nuclear material in bacteria?

 
 
 
 

674. Cycas plant in appearance resembles :

 
 
 
 

675. Bacteria differ from viruses in being sensitive to:

 
 
 
 

676. Some biologists have used the term Mycetozoa for:

 
 
 
 

677. Green plants are classified as :

 
 
 
 

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

 
 
 
 

679. Meiosis in Ulothrix takes place:

 
 
 
 

680. In Pteris, the archegonia are present:

 
 
 
 

681. Viruses are considered to be:

 
 
 
 

682. 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?

 
 
 
 

683. Some bacteria cannot be killed easily because of:

 
 
 
 

684. Facultative saprophyte is:

 
 
 
 

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

 
 
 
 

686. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

689. Which is a tautonym?

 
 
 
 

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

 
 
 
 

691. Redness of red sea is due to :

 
 
 
 

692. The archegonia in Selaginella develop on:

 
 
 
 

693. Metulae are found in:

 
 
 
 

694. Asexual reproductive body of Volvox is called:

 
 
 
 

695. Broad spectrum antibiotic is, which:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

701. Isomorphic type alternation of generation is found in:

 
 
 
 

702. In tracheophyta:

 
 
 
 

703. Select the wrong statement:

 
 
 
 

704. To which country Antony van Leeuwenhoek belong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

709. Yeast grows more rapidly in:

 
 
 
 

710. Bacteria are considered to be plants because they:

 
 
 
 

711. Lichens show :

 
 
 
 

712. Mycoplasma are:

 
 
 
 

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

 
 
 
 

714. Which of the following is true for viruses?

 
 
 
 

715. Rhizopus belongs to:

 
 
 
 

716. Cyanophage is a virus that attacks:

 
 
 
 

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

 
 
 
 

718. Who discovered heterothallism in fungi?

 
 
 
 

719. Rhizophore of Selaginella is:

 
 
 
 

720. Citrus canker is caused by :

 
 
 
 

721. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

722. Iodine is obtained from :

 
 
 
 

723. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

726. Saccharomyces ludwigii ascus produces:

 
 
 
 

727. Which of the following applies to Selaginella?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

734. To which class Riccia belongs :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

738. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

740. Penicillin was discovered by:

 
 
 
 

741. Chemosynthetic bacteria are:

 
 
 
 

742. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

745. In moss, conducting tissue is made up of

 
 
 
 

746. Number of capsomeres forming capsid of TMV is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

749. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

752. Centric discoid form of diatom is:

 
 
 
 

753. Cellular slime mold is:

 
 
 
 

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

 
 
 
 

755. Which class of Protozoa includes all parasitic forms?

 
 
 
 

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

 
 
 
 

757. Common phycobiont in a lichen is :

 
 
 
 

758. The largest known bacterium is:

 
 
 
 

759. Ovules are not found enclosed in ovary in :

 
 
 
 

760. Plasmids are:

 
 
 
 

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

 
 
 
 

762. Aflatoxin is produced by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

765. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

766. Spirogyra represents the :

 
 
 
 

767. Infective part of virus was discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

771. Ethylene oxide is widely used to:

 
 
 
 

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

 
 
 
 

773. The leafy fern plant represents the:

 
 
 
 

774. The disease apple scab is caused by:

 
 
 
 

775. Gametophyte is the main plant body in :

 
 
 
 

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

 
 
 
 

777. The term stele was given by:

 
 
 
 

778. Club moss is the common name of :

 
 
 
 

779. Cycas is:

 
 
 
 

780. In a diplontic life cycle:

 
 
 
 

781. Usually, bacteria reproduce by:

 
 
 
 

782. The zygospore in Rhizopus on germination forms:

 
 
 
 

783. Vascular cryptogams is the term used for:

 
 
 
 

784. Which of the following is a parasitic algae?

 
 
 
 

785. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

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

 
 
 
 

787. Pinus gerardiana is :

 
 
 
 

788. What is absent in Deuteromycetes?

 
 
 
 

789. Green plants are classified as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

792. How a fern differs from a moss?

 
 
 
 

793. In Herpes virus DNA is:

 
 
 
 

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

 
 
 
 

795. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

797. What is mycorrhiza?

 
 
 
 

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

 
 
 
 

799. In Gymnosperms endosperm is a:

 
 
 
 

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

 
 
 
 

801. . Tapetum develops in:

 
 
 
 

802. The megasporangium of Selaginella is:

 
 
 
 

803. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

805. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

806. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

808. Mycoplasma was discovered by:

 
 
 
 

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

 
 
 
 

810. Which statement is wrong in regard to bacteria?

 
 
 
 

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

 
 
 
 

812. Red rot of sugarcane is caused by:

 
 
 
 

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

 
 
 
 

814. In angiosperms double fertilization represents:

 
 
 
 

815. Which have the largest antherozoid?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

818. The fern plant is:

 
 
 
 

819. What are plasmids?

 
 
 
 

820. Viruses are commonly transmitted in plants through:

 
 
 
 

821. The smallest bacterium is:

 
 
 
 

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

 
 
 
 

823. Which of the following have algal zone?

 
 
 
 

824. The male gametes of Pinus are :

 
 
 
 

825. Early blight of potato is caused by:

 
 
 
 

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

 
 
 
 

827. Leaf spot of groundnut is caused by :

 
 
 
 

828. What is streptomycin?

 
 
 
 

829. Pythium debaryanum is the causative agent of:

 
 
 
 

830. Transfusion tissue is present in the leaflet of:

 
 
 
 

831. Sporophyte of fern is:

 
 
 
 

832. Club moss and Peat moss belong to:

 
 
 
 

833. Acetobacter is useful in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

836. The chromosomal number in:

 
 
 
 

837. The tree fern is:

 
 
 
 

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

 
 
 
 

839. 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?

 
 
 
 

840. Polystelic condition is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

845. First animal pathogenic virus was discovered by:

 
 
 
 

846. The gametophyte of fern is as:

 
 
 
 

847. In Pteris, the roots are:

 
 
 
 

848. Photosynthetic bacteria have:

 
 
 
 

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

 
 
 
 

850. Fertility of the soil is increased by:

 
 
 
 

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

 
 
 
 

852. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

855.

856. Fairy ring is the name given to:

 
 
 
 

857. Small epidermal swellings due to infection are called :

 
 
 
 

858. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

860. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

861. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

863. The chief characteristic of bryophyta is that :

 
 
 
 

864. Choose the correct statement about Spirogyra: