Quiz_Random

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Agar-agar is obtained from:

 
 
 
 

5. Metulae are found in:

 
 
 
 

6. Total parasites belong to:

 
 
 
 

7. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

8. Mycoplasma are:

 
 
 
 

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

 
 
 
 

10. A gill of Agaricus:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Aflatoxin is produced as a product in :

 
 
 
 

14. Which is a redwood tree?

 
 
 
 

15. Ovary is absent in:

 
 
 
 

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

 
 
 
 

17. Photosynthetic bacteria have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Which of the following applies to Selaginella?

 
 
 
 

21. Heterosporous pteridophytes always form:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. The smallest bacterium is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Male gametophyte of Selaginella is found:

 
 
 
 

29. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Lichens are the indicator of pollution :

 
 
 
 

33. The Rhizopus gametes are formed in:

 
 
 
 

34. Centric discoid form of diatom is:

 
 
 
 

35. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

37. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

39. Generic name of mango is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Coenogamete is found in:

 
 
 
 

43. The prothallus of fern is:

 
 
 
 

44. Most of the algae are :

 
 
 
 

45. Tautonyms are illegitimate in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

53. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

55. Black rust of wheat is caused by:

 
 
 
 

56. Which of the following is true for viruses?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Heterospory is the production of:

 
 
 
 

60. Vascular cryptogam is the term used for :

 
 
 
 

61. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

62. The role of meiosis is for:

 
 
 
 

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

 
 
 
 

64. What is special feature of fern archegonia?

 
 
 
 

65. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

67. Pinus gerardiana is :

 
 
 
 

68. The prothallus of fern represents the plant:

 
 
 
 

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

 
 
 
 

70. Linnaeus is credited with introducing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

75. The largest alga is:

 
 
 
 

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

 
 
 
 

77. Which of the following is true for Selaginella?

 
 
 
 

78. E coli is a:

 
 
 
 

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

 
 
 
 

80. Ovules are not found enclosed in ovary of:

 
 
 
 

81. Germination of the seed of Pinus is :

 
 
 
 

82. What is the role of nitrifying bacteria?

 
 
 
 

83. Zoogametes are not found in:

 
 
 
 

84. Vascular cryptogams is the term used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

87. Mycoplasma are sensitive to:

 
 
 
 

88. In moss, sporogenous tissue arises from:

 
 
 
 

89. Smallpox is caused by:

 
 
 
 

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

 
 
 
 

91. Nitrifying bacteria play an important role by converting:

 
 
 
 

92. The rhizoids of Funaria are :

 
 
 
 

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

 
 
 
 

94. Lichens are ecologically important because :

 
 
 
 

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

 
 
 
 

96. Most resistant spore in bacteria is:

 
 
 
 

97. Which causes red tide?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

101. Common phycobiont in a lichen is :

 
 
 
 

102. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

105. Red rot of sugarcane is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

112. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

114. Bacteriophages have been used as:

 
 
 
 

115. The term stele was given by:

 
 
 
 

116. Most primitive group of vascular plants are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

120. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

122. In binomial system most of the words are:

 
 
 
 

123. . Tapetum develops in:

 
 
 
 

124. Select the wrong statement:

 
 
 
 

125. Methanogens belong to:

 
 
 
 

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

 
 
 
 

127. Late blight of potato is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

130. Water-borne bacterial diseases are:

 
 
 
 

131. Cocci types of bacteria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

134. Plasmids are:

 
 
 
 

135. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

137. Acetobacter is useful in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

144. Saccharomyces is well known for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

147. The development of sporangium in Selaginella is:

 
 
 
 

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

 
 
 
 

149. Circular DNA is seen in:

 
 
 
 

150. Mycoplasmas are not viruses in nature because:

 
 
 
 

151. The most important property of yeast is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

156. Fairy ring is the name given to:

 
 
 
 

157. Rhizopus belongs to:

 
 
 
 

158. In Gymnocarpeae the fruiting body is :

 
 
 
 

159. The mycelium of Rhizopus is:

 
 
 
 

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

 
 
 
 

161. Azolla and Salvinia both are:

 
 
 
 

162. Green plants are classified as :

 
 
 
 

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

 
 
 
 

164. The similarity between cyanobacteria and bacteria:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

168. Polystelic condition is found in:

 
 
 
 

169. The gametophyte of moss has distinct phases :

 
 
 
 

170. Some biologists have used the term Mycetozoa for:

 
 
 
 

171. Chemosynthetic bacteria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

174. Cyathia is characterized by:

 
 
 
 

175. The sporangium of fern contains nearly:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

179. Parmelia belongs to :

 
 
 
 

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

 
 
 
 

181. Which have the largest antherozoid?

 
 
 
 

182. Who discovered heterothallism in fungi?

 
 
 
 

183. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

184. Longest known virus is:

 
 
 
 

185. Pteridophyta are also called:

 
 
 
 

186. Which of the following is a heterosporous pteridophyte?

 
 
 
 

187. Etiology includes the study of :

 
 
 
 

188. Meristele of fern is:

 
 
 
 

189. Funaria are commonly found :

 
 
 
 

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

 
 
 
 

191. Gametophyte is the main plant body in :

 
 
 
 

192. Which is the correct statement about Selaginella?

 
 
 
 

193. Which of the following are included in Tracheophyta?

 
 
 
 

194. The ascus of yeast contains:

 
 
 
 

195. The central part of Funaria axis is :

 
 
 
 

196. In a diplontic life cycle:

 
 
 
 

197. The sori in Dryopteris are found on:

 
 
 
 

198. In moss, sporophyte is formed on:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

201. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

204. The chromosomal number in:

 
 
 
 

205. Pasteurization of milk involves heating for:

 
 
 
 

206. Azolla growing in paddy fields helps in:

 
 
 
 

207.

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

 
 
 
 

209. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

211. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

215. The ferns are usually found:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

221. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

225. 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?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

228. Mycoplasma is different from bacteria due to:

 
 
 
 

229. Cycas is:

 
 
 
 

230. Anoxygenic photosynthesis occurs in:

 
 
 
 

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

 
 
 
 

232. Leaf spot of groundnut is caused by :

 
 
 
 

233. Some bacteria cannot be killed easily because of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

236. Rhizopus and yeast are usually:

 
 
 
 

237. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

238. The photosynthetic protists are:

 
 
 
 

239. Cyanophage is a virus that attacks:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

242. Which is a gametophytic tissue?

 
 
 
 

243. Which of the following statements is not correct?

 
 
 
 

244. Fern phloem lacks:

 
 
 
 

245. The source of litmus is :

 
 
 
 

246. Embryophyta includes:

 
 
 
 

247. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

251. Mixed cropping helps :

 
 
 
 

252. Reproduction in Rhizopus is:

 
 
 
 

253. The disease apple scab is caused by:

 
 
 
 

254. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

256. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

258. Streptomyces falls under:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

261. Bacteria which are spherical are called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

264. Cellular slime mold is:

 
 
 
 

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

 
 
 
 

266. Which is a fungicide?

 
 
 
 

267. Seeds are characteristically found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

270. Viruses are commonly transmitted in plants through:

 
 
 
 

271. Virion refers to:

 
 
 
 

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

 
 
 
 

273. Chemosynthetic bacteria are:

 
 
 
 

274. Which condition is found in Cycas?

 
 
 
 

275. Pollination in Cycas takes place by :

 
 
 
 

276.

 

277. Photosynthetic protists belong to:

 
 
 
 

278. In Cycas:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

284. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

286. Who discovered streptomycin?

 
 
 
 

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

 
 
 
 

288. Cycas plant in appearance resembles :

 
 
 
 

289. Water-net is the name of:

 
 
 
 

290. Rhizoids of Riccia are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

293. Which class of Protozoa includes all parasitic forms?

 
 
 
 

294. Mostly type of zygospore in Ulothrix is:

 
 
 
 

295. The two conjugating gametangia of Rhizopus are:

 
 
 
 

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

 
 
 
 

297. The chief characteristic of bryophyta is that :

 
 
 
 

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

 
 
 
 

299. The megasporangium of Selaginella is:

 
 
 
 

300. Photoautotrophic bacteria have:

 
 
 
 

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

 
 
 
 

302. The middle sterile part of capsule is called:

 
 
 
 

303. The zygospore in Rhizopus on germination forms:

 
 
 
 

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

 
 
 
 

305. Citrus canker is caused by :

 
 
 
 

306. Cycas is different from mango in :

 
 
 
 

307. Yeast is a source of:

 
 
 
 

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

 
 
 
 

309. Which part of Riccia bears nurse cells?

 
 
 
 

310. In moss, calyptra is formed from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

313. Protistan algae obtain their food as:

 
 
 
 

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

 
 
 
 

315. Red rot of sugarcane is caused by :

 
 
 
 

316. Infective part of virus was discovered by:

 
 
 
 

317. The largest known bacterium is:

 
 
 
 

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

 
 
 
 

319. The orders generally have the uniform endings:

 
 
 
 

320. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

321. The teeth of peristome of Funaria are :

 
 
 
 

322. Sporophyte of Funaria is :

 
 
 
 

323. LSD is:

 
 
 
 

324. Sometimes the bacterial cell is enclosed in:

 
 
 
 

325. Embryophyta includes :

 
 
 
 

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

 
 
 
 

327. In Pteris, the roots are:

 
 
 
 

328. In Funaria, calyptra is derived from :

 
 
 
 

329. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

331. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

332. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

334. Saccharomyces is used in:

 
 
 
 

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

 
 
 
 

336. All archaebacteria lack:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

340. Which is absent from the xylem of Cycas?

 
 
 
 

341. Club moss and Peat moss belong to:

 
 
 
 

342. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

345. Sexual reproduction in Rhizopus is by:

 
 
 
 

346. The fungi are usually:

 
 
 
 

347. Lichens reproduce by :

 
 
 
 

348. One of the distinctive feature of Spirogyra is :

 
 
 
 

349. Which organisms are the oldest life forms?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

352. Selaginella differs from Moss in having:

 
 
 
 

353. Isomorphic type alternation of generation is found in:

 
 
 
 

354. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

356. Vascular tissue is found in :

 
 
 
 

357. Winged seeds are found in :

 
 
 
 

358. Fertility of the soil is increased by:

 
 
 
 

359. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

360. All algae have:

 
 
 
 

361. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

363. Ovary is absent in :

 
 
 
 

364. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

366. Spermatophyta are characterized by producing:

 
 
 
 

367. Sleeping sickness disease in man is caused by:

 
 
 
 

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

 
 
 
 

369. The plants of Funaria grow :

 
 
 
 

370. Ectocarpus produces:

 
 
 
 

371. Banana bunchy top is caused by :

 
 
 
 

372. Transfusion tissue is present in the leaflet of:

 
 
 
 

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

 
 
 
 

374. Seeds are characteristically found in :

 
 
 
 

375. Select the wrong statement:

 
 
 
 

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

 
 
 
 

377. Acellular slime mold is/are:

 
 
 
 

378. Funaria is a Bryophyta because :

 
 
 
 

379. Protists which are diploid reproduce sexually by:

 
 
 
 

380. Placenta in fern is:

 
 
 
 

381. Kuru, a human disease is caused by:

 
 
 
 

382. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

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

 
 
 
 

384. In moss, stomata are found:

 
 
 
 

385. Proembryo in Pinus is :

 
 
 
 

386. Most primitive embryophytes are placed in:

 
 
 
 

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

 
 
 
 

388. Desired type of Cycas can be grown by:

 
 
 
 

389. Which is not found in bacteria?

 
 
 
 

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

 
 
 
 

391. Downy mildew disease is caused by :

 
 
 
 

392. Enteric bacteria are those bacteria that live:

 
 
 
 

393. How a fern differs from a moss?

 
 
 
 

394. The microsporophylls on the cone of Cycas are :

 
 
 
 

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

 
 
 
 

396. Diploxylic vascular bundles are found in:

 
 
 
 

397. The lambda phase is a:

 
 
 
 

398. Heterotrichous habit means :

 
 
 
 

399. Winged pollen grains are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

404. The gametophyte of fern is as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

407. The upper region of moss capsule is :

 
 
 
 

408. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

410. The antherozoids of Funaria are :

 
 
 
 

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

 
 
 
 

412. Funaria is :

 
 
 
 

413. Bryophyta have a special character from other plants:

 
 
 
 

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

 
 
 
 

415. Protozoans are considered animals because these are:

 
 
 
 

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

 
 
 
 

417. Most of the lichens are composed of :

 
 
 
 

418. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

419. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

421. The chloroplast in Ulothrix is :

 
 
 
 

422. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

424. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

425. What is absent in Deuteromycetes?

 
 
 
 

426. Bacteria are found everywhere, except:

 
 
 
 

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

 
 
 
 

428. Which is a tautonym?

 
 
 
 

429. The smallest unit of classification is:

 
 
 
 

430. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

433. Ethylene oxide is widely used to:

 
 
 
 

434. Bacteriophage consists of:

 
 
 
 

435. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

436. Late blight of potato is caused by :

 
 
 
 

437. The gametophyte of fern bears:

 
 
 
 

438. What are Cyanobacteria?

 
 
 
 

439. The gametophyte produced by apospory is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

445. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

448. Why is Cycas called a living fossil?

 
 
 
 

449. Germ theory of disease was proposed by:

 
 
 
 

450. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

451. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

453. In a bacteriophage, DNA is present in:

 
 
 
 

454. Number of capsomeres forming capsid of TMV is:

 
 
 
 

455. Lichens reproduce by :

 
 
 
 

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

 
 
 
 

457. Gymnosperms could also be called as:

 
 
 
 

458. In tracheophyta:

 
 
 
 

459. Clostridium can:

 
 
 
 

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

 
 
 
 

461. In Cycas microsporangia are borne on:

 
 
 
 

462. Which of the following is sago palm?

 
 
 
 

463. Halophiles are the bacteria that require for growth:

 
 
 
 

464. Who discovered cyanophages?

 
 
 
 

465. Streptomycin is obtained from:

 
 
 
 

466. John Hutchinson divided dicots into two divisions:

 
 
 
 

467. Green plants are classified as:

 
 
 
 

468. Little leaf disease of Brinjal is caused by:

 
 
 
 

469. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

472. The stele of Dryopteris is a:

 
 
 
 

473. Ergot of rye is caused by:

 
 
 
 

474. Antibiotic has been extracted from :

 
 
 
 

475. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

485. Typhoid in man is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

489. In moss, reduction division occurs in :

 
 
 
 

490. Select the correct statement: (NEET 2016)

 
 
 
 

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

 
 
 
 

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

 
 
 
 

493. Mycoplasma contains:

 
 
 
 

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

 
 
 
 

495. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

497. Embryo formation is not known in :

 
 
 
 

498. The tallest moss in the world is :

 
 
 
 

499. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

500. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

502. Red rot of sugarcane is caused by :

 
 
 
 

503. Most primitive kind of flower is represented by:

 
 
 
 

504. Triple antigen injection or vaccine are for:

 
 
 
 

505. The mode of nutrition of bacteria is usually:

 
 
 
 

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

 
 
 
 

507. Where does meiosis occur in yeast?

 
 
 
 

508. Bentham and Hooker placed gymnosperms:

 
 
 
 

509. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

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

 
 
 
 

511. Nannandria are:

 
 
 
 

512. 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?

 
 
 
 

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

 
 
 
 

514. Lichen show :

 
 
 
 

515. Liverworts are included in :

 
 
 
 

516. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

519. In Selaginella, the microsporangia are:

 
 
 
 

520. Which of the following have a prokaryotic cell?

 
 
 
 

521. The truncated cone of HIV consists of:

 
 
 
 

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

 
 
 
 

523. Fruiting body of lichens is :

 
 
 
 

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

 
 
 
 

525. Which of the following lichens is harmful?

 
 
 
 

526. The root nodules of leguminous plants contain:

 
 
 
 

527. The leafy fern plant represents the:

 
 
 
 

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

 
 
 
 

529. Bacteria were first discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

533. Fern prothallus produces:

 
 
 
 

534. Bivalved siliceous shell or frustule occur in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

537. Funaria can be differentiated from Cycas :

 
 
 
 

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

 
 
 
 

539. The chief characteristic of class Ascomycetes is:

 
 
 
 

540. All protozoans possess:

 
 
 
 

541. Soil fertility is lost by the activities of:

 
 
 
 

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

 
 
 
 

543. Which of the following are absent in Mycoplasma?

 
 
 
 

544. Small epidermal swellings due to infection are called :

 
 
 
 

545. Saccharomyces ludwigii ascus produces:

 
 
 
 

546. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

548. The archegonia of Selaginella are differentiated by:

 
 
 
 

549. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

551. Roots are absent in :

 
 
 
 

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

 
 
 
 

553. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

554. What are plasmids?

 
 
 
 

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

 
 
 
 

556. Facultative parasite is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

559. In Pteris, the archegonia are present:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

564. Who named prion?

 
 
 
 

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

 
 
 
 

566. Special feature of pollen grains of Pinus is :

 
 
 
 

567. In moss, conducting tissue is made up of

 
 
 
 

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

 
 
 
 

569. The young leaves of Cycas have :

 
 
 
 

570. Viroids have:

 
 
 
 

571. Milk is converted to curd by:

 
 
 
 

572. First animal pathogenic virus was discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

575. In Cycas the fertilization is:

 
 
 
 

576. The first to isolate a plant virus was:

 
 
 
 

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

 
 
 
 

578. Pollination drop is:

 
 
 
 

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

 
 
 
 

580. 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?

 
 
 
 

581. The chloroplast of Chlamydomonas are:

 
 
 
 

582. Reproduction in Cycas takes place by :

 
 
 
 

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

 
 
 
 

584. What is a vector?

 
 
 
 

585. Which is not true for Escherichia coli?

 
 
 
 

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

 
 
 
 

587. Lichens are indicators of :

 
 
 
 

588. Wine turns sour because of:

 
 
 
 

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

 
 
 
 

590. The order generally ends with:

 
 
 
 

591. The roots of Cycas are :

 
 
 
 

592. Genetic material of TMV is:

 
 
 
 

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

 
 
 
 

594. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

596. The fungi that grow on wood are called:

 
 
 
 

597. Citrus canker is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

600. Detailed study of bacteriophage was made by:

 
 
 
 

601. The development of Selaginella embryo is:

 
 
 
 

602. Most appropriate word for protozoans is:

 
 
 
 

603. Standard size of a herbarium sheet is:

 
 
 
 

604. Viruses are considered to be:

 
 
 
 

605. Mucilaginous canals in Cycas are found in :

 
 
 
 

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

 
 
 
 

607. The nucleus of bacteria is:

 
 
 
 

608. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

609. Bacteria differ from viruses in being sensitive to:

 
 
 
 

610. Cell walls of Gram-positive bacteria contain:

 
 
 
 

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

 
 
 
 

612. Majority of lichens are :

 
 
 
 

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

 
 
 
 

614. Botulinum toxin effects:

 
 
 
 

615. Male gametes in Dryopteris are:

 
 
 
 

616. The fern plant is:

 
 
 
 

617. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

620. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

623. Pasteur is famous for his:

 
 
 
 

624. Maximum diversity of life forms occurs in :

 
 
 
 

625. In dinoflagellates, the two flagella are:

 
 
 
 

626. The leaf of Cycas shows:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

629. The sporophyte of Riccia is :

 
 
 
 

630. Usually, bacteria reproduce by:

 
 
 
 

631. Spirogyra differs from moss protonema in having :

 
 
 
 

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

 
 
 
 

633. Who among the following discovered virus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

638. Gram stain is used to:

 
 
 
 

639. In angiosperms double fertilization represents:

 
 
 
 

640. Simple polyembryony is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

643. Yeast belongs to class:

 
 
 
 

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

 
 
 
 

645. In Funaria :

 
 
 
 

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

 
 
 
 

647. Pythium debaryanum is the causative agent of:

 
 
 
 

648. Spores of which plants have chloroplast:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

651. The megaspore of Selaginella on germination produces:

 
 
 
 

652. Bacteria are considered to be plants because they:

 
 
 
 

653. Absorptive nutrition is:

 
 
 
 

654. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

657. Facultative saprophyte is:

 
 
 
 

658. Pasteurized milk is:

 
 
 
 

659. The sporangia of Selaginella are attached:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

662. Which is an exception to cell theory?

 
 
 
 

663. 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:

 
 
 
 

664. Multicellular and jacketed sex organs are found in :

 
 
 
 

665. The sporophyte of Riccia is represented by :

 
 
 
 

666. Synzoospore is produced in:

 
 
 
 

667. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

670. Reserve food in Euglena is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

675. Cycas revoluta is widely grown as :

 
 
 
 

676. 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:

 
 
 
 

677. Mycoplasma was discovered by:

 
 
 
 

678. Sporophyte of fern is:

 
 
 
 

679. Interferon is a:

 
 
 
 

680. Some diseases caused by bacteria are:

 
 
 
 

681. Fruits are not found in:

 
 
 
 

682. Iodine is obtained from:

 
 
 
 

683. To which country Antony van Leeuwenhoek belong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

687. The fungi are mostly:

 
 
 
 

688. The male gametes of Pinus are :

 
 
 
 

689. The vascular bundles of Cycas stem are :

 
 
 
 

690. The archegonia in Selaginella develop on:

 
 
 
 

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

 
 
 
 

692. Helotism word is used for the symbiosis between :

 
 
 
 

693. True sexuality is not found in:

 
 
 
 

694. 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?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

697. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

701. NBG of Lucknow is now named as:

 
 
 
 

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

 
 
 
 

703. The leaves of Funaria are :

 
 
 
 

704. In moss, peristomial teeth are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

708.

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

 
 
 
 

710. Antibiotics cure the disease by:

 
 
 
 

711. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

712. To which class Riccia belongs :

 
 
 
 

713. 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:

 
 
 
 

714. Diphtheria is caused by:

 
 
 
 

715. Each chloroplast in Spirogyra bears :

 
 
 
 

716. The leaves of Funaria are :

 
 
 
 

717. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

721.

722. TMV was isolated in crystalline form by:

 
 
 
 

723. The spermatozoids of Cycas are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

726. White rust of crucifers is caused by:

 
 
 
 

727. Which lichen is called Reindeer moss?

 
 
 
 

728. What is streptomycin?

 
 
 
 

729. Sexual reproduction of lichen is due to :

 
 
 
 

730. The seedless plants which possess vascular tissues are:

 
 
 
 

731. The sporangiophores in Rhizopus are:

 
 
 
 

732. Viruses have:

 
 
 
 

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

 
 
 
 

734. The tree fern is:

 
 
 
 

735. Lichens are pioneers of vegetation in a :

 
 
 
 

736. The lichens growing on rocks are called :

 
 
 
 

737. The coralloid roots are :

 
 
 
 

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

 
 
 
 

739. Funaria is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

743. Ovules are not found enclosed in ovary in :

 
 
 
 

744. Ulothrix produces :

 
 
 
 

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

 
 
 
 

746. Virus and bacteriophage are made-up of:

 
 
 
 

747. Oswald Tippo’s classification was based on :

 
 
 
 

748. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

752. Which of the following is a parasitic algae?

 
 
 
 

753. Enzymes are absent in:

 
 
 
 

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

 
 
 
 

755. Lichens form the first community in

 
 
 
 

756. Nitrogen-fixing bacteria may be located:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

760. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

761. Broad spectrum antibiotic is, which:

 
 
 
 

762. Pseudomycelium is found in:

 
 
 
 

763. Endemic plants are characterised by their:

 
 
 
 

764. Siphonogamy is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

769. Yeast grows more rapidly in:

 
 
 
 

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

 
 
 
 

771. Amoeba is a member of the phylum:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

775. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

777. The genetic material of poxvirus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

781. In Gymnosperms endosperm is a:

 
 
 
 

782. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

784. In Cycas which structure is equivalent to stamen?

 
 
 
 

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

 
 
 
 

786. Cycas is :

 
 
 
 

787. Which is the nuclear material in bacteria?

 
 
 
 

788. In Herpes virus DNA is:

 
 
 
 

789. Which of the following statement is correct?

 
 
 
 

790. 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:

 
 
 
 

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

 
 
 
 

792. Which of the following shows heterotrichous habit?

 
 
 
 

793. The Rhizopus is:

 
 
 
 

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

 
 
 
 

795. The DNA of E coli is:

 
 
 
 

796. Fern prothallus is:

 
 
 
 

797. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

798. An Hfr bacterium is one that contains:

 
 
 
 

799. Economic importance of bacteria lies in their being:

 
 
 
 

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

 
 
 
 

801. The group algae possesses representatives belonging to kingdom:

 
 
 
 

802. Heterospory and ligulate leaves are a feature of:

 
 
 
 

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

 
 
 
 

804. Early blight of potato is caused by:

 
 
 
 

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

 
 
 
 

806. Indusium in Dryopteris is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

809. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

811. Aflatoxin is produced by:

 
 
 
 

812. Vegetative reproduction in Cycas is by means of :

 
 
 
 

813. Psilotum is:

 
 
 
 

814. The fungi used as food are:

 
 
 
 

815. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

817. The most primitive vascular plants is:

 
 
 
 

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

 
 
 
 

819. 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:

 
 
 
 

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

 
 
 
 

821. Which is an edible fungus?

 
 
 
 

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

 
 
 
 

823. Lichens show :

 
 
 
 

824. 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:

 
 
 
 

825. The sexual reproductive organs in Rhizopus are:

 
 
 
 

826. Quarantine regulations are concerned with:

 
 
 
 

827. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

829. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

831. Which of the following have algal zone?

 
 
 
 

832. Fern plants are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

835. Penicillin is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

839. Penicillin was discovered by:

 
 
 
 

840. Discovery of penicillin was based on:

 
 
 
 

841. Pneumonia is caused by:

 
 
 
 

842. Which statement is wrong in regard to bacteria?

 
 
 
 

843. Rhizophore of Selaginella is:

 
 
 
 

844. Which one of the following statement is wrong?

 
 
 
 

845. Leprosy is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

848. Pteridophytes are also known as :

 
 
 
 

849. Bacteria are placed under:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

852. Which bacteria convert nitrate into nitrogen?

 
 
 
 

853. What is mycorrhiza?

 
 
 
 

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

 
 
 
 

855. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

857. The antibiotic is obtained from:

 
 
 
 

858. Pinus is:

 
 
 
 

859. Bacteria growing on synthetic medium are called:

 
 
 
 

860. Botulism is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

863. How is moss different from fern?

 
 
 
 

864. Cleavage polyembryony is found in :