Quiz_Random

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

 
 
 
 

2. Which of the following is true for Selaginella?

 
 
 
 

3. The smallest bacterium is:

 
 
 
 

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

 
 
 
 

5. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

7. Cyanophage is a virus that attacks:

 
 
 
 

8. Azolla and Salvinia both are:

 
 
 
 

9. The ferns are usually found:

 
 
 
 

10. Usually, bacteria reproduce by:

 
 
 
 

11. Kuru, a human disease is caused by:

 
 
 
 

12. Ovary is absent in:

 
 
 
 

13. Cocci types of bacteria are:

 
 
 
 

14. Milk is converted to curd by:

 
 
 
 

15. Vascular cryptogams is the term used for:

 
 
 
 

16. Pasteurization of milk involves heating for:

 
 
 
 

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

 
 
 
 

18. Cryptogams include :

 
 
 
 

19. Which class of Protozoa includes all parasitic forms?

 
 
 
 

20. Cycas revoluta is widely grown as :

 
 
 
 

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

 
 
 
 

22. To which country Antony van Leeuwenhoek belong?

 
 
 
 

23. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

24. Which is absent from the xylem of Cycas?

 
 
 
 

25. Most of the algae are :

 
 
 
 

26. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Majority of lichens are :

 
 
 
 

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

 
 
 
 

32. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Ulothrix produces :

 
 
 
 

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

 
 
 
 

37. The term stele was given by:

 
 
 
 

38. Cycas is:

 
 
 
 

39. Absorptive nutrition is:

 
 
 
 

40. Zoogametes are not found in:

 
 
 
 

41. The Rhizopus is:

 
 
 
 

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

 
 
 
 

43. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

45. Little leaf disease of Brinjal is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Ovary is absent in :

 
 
 
 

50. Heterospory is the production of:

 
 
 
 

51. Facultative saprophyte is:

 
 
 
 

52. Lichen show :

 
 
 
 

53. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Azolla growing in paddy fields helps in:

 
 
 
 

57. Pollination drop is:

 
 
 
 

58. Penicillin is obtained from:

 
 
 
 

59. Ovules are not found enclosed in ovary of:

 
 
 
 

60. Which group of algae have an incipient nucleus?

 
 
 
 

61. Which of the following is a monocot?

 
 
 
 

62. Which bacteria convert nitrate into nitrogen?

 
 
 
 

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

 
 
 
 

64. How a fern differs from a moss?

 
 
 
 

65. Which lichen is called Reindeer moss?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. The mycelium of Rhizopus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Bacteriophages have been used as:

 
 
 
 

72. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Viruses have:

 
 
 
 

77. Pasteur is famous for his:

 
 
 
 

78. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

79. In moss, sporophyte is formed on:

 
 
 
 

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

 
 
 
 

81. Linnaeus is credited with introducing:

 
 
 
 

82. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

83. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

84. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

86. Cycas is :

 
 
 
 

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

 
 
 
 

88. The nucleus of bacteria is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

94. Economic importance of bacteria lies in their being:

 
 
 
 

95. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

99. Clostridium can:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

104. Sometimes the bacterial cell is enclosed in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

108. The vascular bundles of Cycas stem are :

 
 
 
 

109. The tallest moss in the world is :

 
 
 
 

110. Embryo formation is not known in :

 
 
 
 

111. Saccharomyces ludwigii ascus produces:

 
 
 
 

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

 
 
 
 

113. Nitrogen-fixing bacteria may be located:

 
 
 
 

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

 
 
 
 

115. The archegonia of Selaginella are differentiated by:

 
 
 
 

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

 
 
 
 

117. The order generally ends with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

121. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

125. Club moss and Peat moss belong to:

 
 
 
 

126. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

128. Nitrifying bacteria play an important role by converting:

 
 
 
 

129. In moss, reduction division occurs in :

 
 
 
 

130. The DNA of E coli is:

 
 
 
 

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

 
 
 
 

132. The sporophyte of Riccia is represented by :

 
 
 
 

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

 
 
 
 

134. The central part of Funaria axis is :

 
 
 
 

135. Photosynthetic protists belong to:

 
 
 
 

136. Germination of the seed of Pinus is :

 
 
 
 

137. Bacteria which are spherical are called:

 
 
 
 

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

 
 
 
 

139. Most of the lichens are composed of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

143. Mostly type of zygospore in Ulothrix is:

 
 
 
 

144. Soil fertility is lost by the activities of:

 
 
 
 

145. Heterospory and ligulate leaves are a feature of:

 
 
 
 

146. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

148. Viroids have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

151. Mycoplasmas are not viruses in nature because:

 
 
 
 

152. Meristele of fern is:

 
 
 
 

153. Pollination in Cycas takes place by :

 
 
 
 

154. Mycoplasma are sensitive to:

 
 
 
 

155. In binomial system most of the words are:

 
 
 
 

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

 
 
 
 

157. Photoautotrophic bacteria have:

 
 
 
 

158. Fern phloem lacks:

 
 
 
 

159. Smut of maize is caused by :

 
 
 
 

160. In moss, sporogenous tissue arises from:

 
 
 
 

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

 
 
 
 

162. Protozoans are considered animals because these are:

 
 
 
 

163. In Cycas the fertilization is:

 
 
 
 

164. In Cycas microsporangia are borne on:

 
 
 
 

165. Special feature of pollen grains of Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

169. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

171. Where does meiosis occur in yeast?

 
 
 
 

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

 
 
 
 

173. The first to isolate a plant virus was:

 
 
 
 

174. Helotism word is used for the symbiosis between :

 
 
 
 

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

 
 
 
 

176. Mycoplasma contains:

 
 
 
 

177. Which organisms are the oldest life forms?

 
 
 
 

178. Red rot of sugarcane is caused by :

 
 
 
 

179. Oswald Tippo’s classification was based on :

 
 
 
 

180. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

182. The chromosomal number in:

 
 
 
 

183. Most primitive embryophytes are placed in:

 
 
 
 

184. The antibiotic is obtained from:

 
 
 
 

185. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

186. Meiosis in Ulothrix takes place:

 
 
 
 

187. Citrus canker is caused by:

 
 
 
 

188. Which is the nuclear material in bacteria?

 
 
 
 

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

 
 
 
 

190. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

193. The prothallus of fern is:

 
 
 
 

194. Lichens are indicators of :

 
 
 
 

195. The spermatozoids of Cycas are :

 
 
 
 

196. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

200. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

202. Bacteria are found everywhere, except:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

205. The smallest unit of classification is:

 
 
 
 

206. Most resistant spore in bacteria is:

 
 
 
 

207. Sexual reproduction in Rhizopus is by:

 
 
 
 

208. Iodine is obtained from:

 
 
 
 

209. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

212. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

214. First animal pathogenic virus was discovered by:

 
 
 
 

215. Botulinum toxin effects:

 
 
 
 

216. Protists which are diploid reproduce sexually by:

 
 
 
 

217. Which statement is wrong in regard to bacteria?

 
 
 
 

218. The chief characteristic of class Ascomycetes is:

 
 
 
 

219. Mycoplasma was discovered by:

 
 
 
 

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

 
 
 
 

221. Rhizopus belongs to:

 
 
 
 

222. Select the wrong statement:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

225. Lichens reproduce by :

 
 
 
 

226. Acetobacter is useful in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

232. Coenogamete is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

235.

 

236. Lichens are ecologically important because :

 
 
 
 

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

 
 
 
 

238. Pseudomycelium is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

241. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

244. Pteridophytes are also known as :

 
 
 
 

245. The phloem of vascular system of Cycas is :

 
 
 
 

246. Lichens form the first community in

 
 
 
 

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

 
 
 
 

248. Mucilaginous canals in Cycas are found in :

 
 
 
 

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

 
 
 
 

250. Climbers are found in genus:

 
 
 
 

251. Which is the correct statement about Selaginella?

 
 
 
 

252. Lichens show :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

255. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

258. Who named prion?

 
 
 
 

259. Which is not true for Escherichia coli?

 
 
 
 

260. Some bacteria cannot be killed easily because of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

263. The zoospores of Ulothrix are :

 
 
 
 

264. Bentham and Hooker placed gymnosperms:

 
 
 
 

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

 
 
 
 

266. Fruiting body of lichens is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

269. In a diplontic life cycle:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

272. Leaf spot of groundnut is caused by :

 
 
 
 

273. In Funaria :

 
 
 
 

274. Pinus gerardiana is :

 
 
 
 

275. The mode of nutrition of bacteria is usually:

 
 
 
 

276. Bacteria are placed under:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

279. In Gymnocarpeae the fruiting body is :

 
 
 
 

280. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

282. Metulae are found in:

 
 
 
 

283. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

285. Winged seeds are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

288. Mixed cropping helps :

 
 
 
 

289. The megaspore of Selaginella on germination produces:

 
 
 
 

290. Which of the following lichens is harmful?

 
 
 
 

291. The antherozoids of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

295. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

298. Maximum diversity of life forms occurs in :

 
 
 
 

299. Vegetative reproduction in Cycas is by means of :

 
 
 
 

300. In Herpes virus DNA is:

 
 
 
 

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

 
 
 
 

302. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

304. The roots of Cycas are :

 
 
 
 

305. Which of the following are absent in Mycoplasma?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

308. 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?

 
 
 
 

309. Funaria is a Bryophyta because :

 
 
 
 

310. Total parasites belong to:

 
 
 
 

311. E coli is a:

 
 
 
 

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

 
 
 
 

313. In a bacteriophage, DNA is present in:

 
 
 
 

314. Water-borne bacterial diseases are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

318. Red rot of sugarcane is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

321. Centric discoid form of diatom is:

 
 
 
 

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

 
 
 
 

323. Triple antigen injection or vaccine are for:

 
 
 
 

324. The plants of Funaria grow :

 
 
 
 

325. Yeast grows more rapidly in:

 
 
 
 

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

 
 
 
 

327. NBG of Lucknow is now named as:

 
 
 
 

328. The disease apple scab is caused by:

 
 
 
 

329. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

330. Pteridophyta are also called:

 
 
 
 

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

 
 
 
 

332. . Tapetum develops in:

 
 
 
 

333. Which of the following is true for viruses?

 
 
 
 

334. Fairy ring is the name given to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

337. Amoeba is a member of the phylum:

 
 
 
 

338. Cleavage polyembryony is found in :

 
 
 
 

339. Which is a fungicide?

 
 
 
 

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

 
 
 
 

341. Spores of which plants have chloroplast:

 
 
 
 

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

 
 
 
 

343. Sporophyte of Funaria is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

347. Which part of Riccia bears nurse cells?

 
 
 
 

348. Infective part of virus was discovered by:

 
 
 
 

349. Bacteriophage consists of:

 
 
 
 

350. Lichens are pioneers of vegetation in a :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

355. Iodine is obtained from :

 
 
 
 

356. Which of the following does not contain chlorophyll?

 
 
 
 

357. Agar-agar is obtained from:

 
 
 
 

358. Most primitive kind of flower is represented by:

 
 
 
 

359. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

361. The gametophyte of moss has distinct phases :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

365. Discovery of penicillin was based on:

 
 
 
 

366. Genetic material of TMV is:

 
 
 
 

367. Select the wrong statement:

 
 
 
 

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

 
 
 
 

369. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

370.

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

374. Fern prothallus produces:

 
 
 
 

375. The similarity between cyanobacteria and bacteria:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

378. Tautonyms are illegitimate in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

381. The group algae possesses representatives belonging to kingdom:

 
 
 
 

382. The photosynthetic protists are:

 
 
 
 

383. In moss, peristomial teeth are:

 
 
 
 

384. Late blight of potato is caused by:

 
 
 
 

385. An Hfr bacterium is one that contains:

 
 
 
 

386. Vascular tissue is found in :

 
 
 
 

387. TMV was isolated in crystalline form by:

 
 
 
 

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

 
 
 
 

389. Transfusion tissue is present in the leaflet of:

 
 
 
 

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

 
 
 
 

391. Embryophyta includes:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

397. Antibiotics cure the disease by:

 
 
 
 

398. Reproduction in Cycas takes place by :

 
 
 
 

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

 
 
 
 

400. Chemosynthetic bacteria are:

 
 
 
 

401. The most important property of yeast is:

 
 
 
 

402. Black rust of wheat is caused by:

 
 
 
 

403. Diphtheria is caused by:

 
 
 
 

404. Chemosynthetic bacteria are:

 
 
 
 

405. The sori in Dryopteris are found on:

 
 
 
 

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

 
 
 
 

407. Pinus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

410. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

412. Virion refers to:

 
 
 
 

413. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

416. Quarantine regulations are concerned with:

 
 
 
 

417. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

418. Spermatophyta are characterized by producing:

 
 
 
 

419. Rice, pea, potato are :

 
 
 
 

420. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

425. True sexuality is not found in:

 
 
 
 

426. LSD is:

 
 
 
 

427. Bacteria are considered to be plants because they:

 
 
 
 

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

 
 
 
 

429. Number of capsomeres forming capsid of TMV is:

 
 
 
 

430. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

432. Desired type of Cycas can be grown by:

 
 
 
 

433. Fertility of the soil is increased by:

 
 
 
 

434. Gametophyte is the main plant body in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

438. In moss, calyptra is formed from:

 
 
 
 

439. 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:

 
 
 
 

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

 
 
 
 

441. Cellular slime mold is:

 
 
 
 

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

 
 
 
 

443. Botulism is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

448. Leprosy is caused by:

 
 
 
 

449. Halophiles are the bacteria that require for growth:

 
 
 
 

450. Ethylene oxide is widely used to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

453. Sexual reproduction of lichen is due to :

 
 
 
 

454. All algae have:

 
 
 
 

455. The two conjugating gametangia of Rhizopus are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

458. Water bloom is generally caused by :

 
 
 
 

459. Penicillin was discovered by:

 
 
 
 

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

 
 
 
 

461. Some diseases caused by bacteria are:

 
 
 
 

462. The leaf of Cycas shows:

 
 
 
 

463. The fungi used as food are:

 
 
 
 

464. In Funaria, calyptra is derived from :

 
 
 
 

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

 
 
 
 

466. Heterotrichous habit means :

 
 
 
 

467. Cycas is different from mango in :

 
 
 
 

468. Detailed study of bacteriophage was made by:

 
 
 
 

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

 
 
 
 

470. The truncated cone of HIV consists of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

473. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

476. What are plasmids?

 
 
 
 

477. Typhoid in man is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

480. 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?

 
 
 
 

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

 
 
 
 

482. Photosynthetic bacteria have:

 
 
 
 

483. Standard size of a herbarium sheet is:

 
 
 
 

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

 
 
 
 

485. Psilotum is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

488. Broad spectrum antibiotic is, which:

 
 
 
 

489. The lambda phase is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

495. What is the role of nitrifying bacteria?

 
 
 
 

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

 
 
 
 

497. The chloroplast of Chlamydomonas are:

 
 
 
 

498. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

499. Which of the following applies to Selaginella?

 
 
 
 

500. Interferon is a:

 
 
 
 

501. Reserve food in Euglena is:

 
 
 
 

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

 
 
 
 

503. Seeds are characteristically found in:

 
 
 
 

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

 
 
 
 

505. Etiology includes the study of :

 
 
 
 

506. All archaebacteria lack:

 
 
 
 

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

 
 
 
 

508. The development of sporangium in Selaginella is:

 
 
 
 

509. Why is Cycas called a living fossil?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

512. In Selaginella, the microsporangia are:

 
 
 
 

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

 
 
 
 

514. The fungi that grow on wood are called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

517. In moss, stomata are found:

 
 
 
 

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

 
 
 
 

519. Streptomyces falls under:

 
 
 
 

520. The middle sterile part of capsule is called:

 
 
 
 

521. What is streptomycin?

 
 
 
 

522. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

526. Winged pollen grains are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

529. The role of meiosis is for:

 
 
 
 

530. Seeds are characteristically found in :

 
 
 
 

531. Funaria can be differentiated from Cycas :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

535. Rhizophore of Selaginella is:

 
 
 
 

536. Green plants are classified as:

 
 
 
 

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

 
 
 
 

538. Which is a tautonym?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

541. Rhizopus and yeast are usually:

 
 
 
 

542. Male gametophyte of Selaginella is found:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

545. 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:

 
 
 
 

546. Anoxygenic photosynthesis occurs in:

 
 
 
 

547. Spermatophyta are characterized by producing:

 
 
 
 

548. The sporangia of Selaginella are attached:

 
 
 
 

549. 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?

 
 
 
 

550. Each chloroplast in Spirogyra bears :

 
 
 
 

551. Placenta in fern is:

 
 
 
 

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

 
 
 
 

553. The largest alga is:

 
 
 
 

554. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

557. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

561. Which condition is found in Cycas?

 
 
 
 

562. Facultative parasite is:

 
 
 
 

563. Gram stain is used to:

 
 
 
 

564. John Hutchinson divided dicots into two divisions:

 
 
 
 

565. Green plants are classified as :

 
 
 
 

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

 
 
 
 

567. The sporangium of fern contains nearly:

 
 
 
 

568. Aflatoxin is produced by:

 
 
 
 

569. The upper region of moss capsule is :

 
 
 
 

570. Roots are absent in :

 
 
 
 

571. Saccharomyces is used in:

 
 
 
 

572. Black rust of wheat is caused by:

 
 
 
 

573. The sporangiophores in Rhizopus are:

 
 
 
 

574. Enteric bacteria are those bacteria that live:

 
 
 
 

575. In Pteris, the archegonia are present:

 
 
 
 

576. Who among the following discovered virus?

 
 
 
 

577. The prothallus of fern represents the plant:

 
 
 
 

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

 
 
 
 

579. Which is a gametophytic tissue?

 
 
 
 

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

 
 
 
 

581. The rhizoids of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

584. Viruses are commonly transmitted in plants through:

 
 
 
 

585. The gametophyte of fern is as:

 
 
 
 

586. Spirogyra differs from moss protonema in having :

 
 
 
 

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

 
 
 
 

588. Which causes red tide?

 
 
 
 

589. Disease resistant plant varieties can be produced by :

 
 
 
 

590. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

591. Which have the largest antherozoid?

 
 
 
 

592. The sporophyte of Riccia is :

 
 
 
 

593. Lichens reproduce by :

 
 
 
 

594. In angiosperms double fertilization represents:

 
 
 
 

595. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

600. Germ theory of disease was proposed by:

 
 
 
 

601. The teeth of peristome of Funaria are :

 
 
 
 

602. Fruits are not found in :

 
 
 
 

603. Funaria are commonly found :

 
 
 
 

604. 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:

 
 
 
 

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

 
 
 
 

606. Mycoplasma is different from bacteria due to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

609. Early blight of potato is caused by:

 
 
 
 

610. Heterosporous pteridophytes always form:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

614. Virus and bacteriophage are made-up of:

 
 
 
 

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

 
 
 
 

616. The gametophyte of fern bears:

 
 
 
 

617. Streptomycin is obtained from:

 
 
 
 

618. Choose the correct statement about Spirogyra:

 
 
 
 

619. The gametophyte produced by apospory is :

 
 
 
 

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

 
 
 
 

621.

622. Lichens are the indicator of pollution :

 
 
 
 

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

 
 
 
 

624. The most primitive vascular plants is:

 
 
 
 

625. Which is an exception to cell theory?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

630. The microsporophylls on the cone of Cycas are :

 
 
 
 

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

 
 
 
 

632. The root nodules of leguminous plants contain:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

635. The sexual reproductive organs in Rhizopus are:

 
 
 
 

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

 
 
 
 

637. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

638. Plasmids are:

 
 
 
 

639. The seedless plants which possess vascular tissues are:

 
 
 
 

640. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

642. The Rhizopus gametes are formed in:

 
 
 
 

643. Pollination in Pinus is :

 
 
 
 

644. The male gametes of Pinus are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

649. The disease symptom necrosis refers to :

 
 
 
 

650. In Cycas:

 
 
 
 

651. The leafy fern plant represents the:

 
 
 
 

652. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

653. Ovules are not found enclosed in ovary in :

 
 
 
 

654. Enzymes are absent in:

 
 
 
 

655. White rust of crucifers is caused by:

 
 
 
 

656. Woody climbers are known as :

 
 
 
 

657. What is special feature of fern archegonia?

 
 
 
 

658. Aflatoxin is produced as a product in :

 
 
 
 

659. Viruses are considered to be:

 
 
 
 

660. The genetic material of poxvirus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

663. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

665. Which of the following statement is correct?

 
 
 
 

666. The orders generally have the uniform endings:

 
 
 
 

667. Bacteria were first discovered by:

 
 
 
 

668. The megasporangium of Selaginella is:

 
 
 
 

669. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

672. The fungi are mostly:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

675. The chief characteristic of bryophyta is that :

 
 
 
 

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

 
 
 
 

677. The source of litmus is :

 
 
 
 

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

 
 
 
 

679. 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:

 
 
 
 

680. Who discovered heterothallism in fungi?

 
 
 
 

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

 
 
 
 

682. Citrus canker is caused by :

 
 
 
 

683. Sporophyte of fern is:

 
 
 
 

684. Fern prothallus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

689.

690. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

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

 
 
 
 

692. Liverworts are included in :

 
 
 
 

693. Water-net is the name of:

 
 
 
 

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

 
 
 
 

695. Bivalved siliceous shell or frustule occur in:

 
 
 
 

696. Ovules are not found enclosed in ovary in :

 
 
 
 

697. Which of the following have algal zone?

 
 
 
 

698. What is mycorrhiza?

 
 
 
 

699. Parmelia belongs to :

 
 
 
 

700. 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:

 
 
 
 

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

 
 
 
 

702. The fern plant is:

 
 
 
 

703. Pneumonia is caused by:

 
 
 
 

704. Methanogens belong to:

 
 
 
 

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

 
 
 
 

706. The flagella of Chlamydomonas are:

 
 
 
 

707. Male gametes in Dryopteris are:

 
 
 
 

708. Cell walls of Gram-positive bacteria contain:

 
 
 
 

709. The spur of Pinus roxburghii has :

 
 
 
 

710. Which of the following is sago palm?

 
 
 
 

711. Select the correct statement: (NEET 2016)

 
 
 
 

712. Bryophyta have a special character from other plants:

 
 
 
 

713. Rhizoids of Riccia are :

 
 
 
 

714. The zygospore in Rhizopus on germination forms:

 
 
 
 

715. Funaria is :

 
 
 
 

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

 
 
 
 

717. Fruits are not found in Cycas because:

 
 
 
 

718. Yeast is a source of:

 
 
 
 

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

 
 
 
 

720. Wine turns sour because of:

 
 
 
 

721. Synzoospore is produced in:

 
 
 
 

722. Which is a redwood tree?

 
 
 
 

723. The leaves of Funaria are :

 
 
 
 

724. In dinoflagellates, the two flagella are:

 
 
 
 

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

 
 
 
 

726. Pasteurized milk is:

 
 
 
 

727. Who discovered cyanophages?

 
 
 
 

728. In moss, conducting tissue is made up of

 
 
 
 

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

 
 
 
 

730. Siphonogamy is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

735. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

737. Most appropriate word for protozoans is:

 
 
 
 

738. Which is not found in bacteria?

 
 
 
 

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

 
 
 
 

740. A gill of Agaricus:

 
 
 
 

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

 
 
 
 

742. The development of Selaginella embryo is:

 
 
 
 

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

 
 
 
 

744. Embryophyta includes :

 
 
 
 

745. Which of the following have a prokaryotic cell?

 
 
 
 

746. What is absent in Deuteromycetes?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

749. Protistan algae obtain their food as:

 
 
 
 

750. The tree fern is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

754. The coralloid roots are :

 
 
 
 

755. The stele of Dryopteris is a:

 
 
 
 

756. Indusium in Dryopteris is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

762. The archegonia in Selaginella develop on:

 
 
 
 

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

 
 
 
 

764. The lichens growing on rocks are called :

 
 
 
 

765. Which of the following is a heterosporous pteridophyte?

 
 
 
 

766. Who discovered streptomycin?

 
 
 
 

767. The largest known bacterium is:

 
 
 
 

768. The ascus of yeast contains:

 
 
 
 

769. Which among the following is a shrub?

 
 
 
 

770. Cyathia is characterized by:

 
 
 
 

771. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

773. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

774. Antibiotic has been extracted from :

 
 
 
 

775. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

778. Bacteria growing on synthetic medium are called:

 
 
 
 

779. Bacteria differ from viruses in being sensitive to:

 
 
 
 

780. Vascular cryptogam is the term used for :

 
 
 
 

781. Selaginella differs from Moss in having:

 
 
 
 

782. To which class Riccia belongs :

 
 
 
 

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

 
 
 
 

784. Downy mildew disease is caused by :

 
 
 
 

785. Endemic plants are characterised by their:

 
 
 
 

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

 
 
 
 

787. Smallpox is caused by:

 
 
 
 

788. Polystelic condition is found in:

 
 
 
 

789. In Cycas which structure is equivalent to stamen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

792. 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?

 
 
 
 

793. Some biologists have used the term Mycetozoa for:

 
 
 
 

794. 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:

 
 
 
 

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

 
 
 
 

796. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

797. Gymnosperms could also be called as:

 
 
 
 

798. Ergot of rye is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

801. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

804. Common phycobiont in a lichen is :

 
 
 
 

805. The young leaves of Cycas have :

 
 
 
 

806. Mycoplasma are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

809. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

812. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

813. Fern plants are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

819. Chief constituents of bordeaux mixture are :

 
 
 
 

820. Yeast belongs to class:

 
 
 
 

821. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

824. Funaria is :

 
 
 
 

825. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

828. Most common type of conjugation in Spirogyra is :

 
 
 
 

829. In Gymnosperms endosperm is a:

 
 
 
 

830. Saccharomyces is well known for:

 
 
 
 

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

 
 
 
 

832. Circular DNA is seen in:

 
 
 
 

833. Fruits are not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

836. Sleeping sickness disease in man is caused by:

 
 
 
 

837. Generic name of mango is:

 
 
 
 

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

 
 
 
 

839. Acellular slime mold is/are:

 
 
 
 

840. Simple polyembryony is found in :

 
 
 
 

841. Most primitive group of vascular plants are:

 
 
 
 

842. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

843. Which is an edible fungus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

847. In tracheophyta:

 
 
 
 

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

 
 
 
 

849. The chloroplast in Ulothrix is :

 
 
 
 

850. All protozoans possess:

 
 
 
 

851. The fungi are usually:

 
 
 
 

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

 
 
 
 

853. Proembryo in Pinus is :

 
 
 
 

854. Spirogyra represents the :

 
 
 
 

855. Longest known virus is:

 
 
 
 

856. What is a vector?

 
 
 
 

857. 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:

 
 
 
 

858. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

859. How is moss different from fern?

 
 
 
 

860. Reproduction in Rhizopus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

864. In Pteris, the roots are: