Quiz_Random

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

 
 
 
 

2. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

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

 
 
 
 

4. Fern prothallus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Bacteriophages have been used as:

 
 
 
 

11. Cycas is:

 
 
 
 

12. 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?

 
 
 
 

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

 
 
 
 

14. Liverworts are included in :

 
 
 
 

15. What is the role of nitrifying bacteria?

 
 
 
 

16. Typhoid in man is caused by:

 
 
 
 

17. Ovary is absent in :

 
 
 
 

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

 
 
 
 

19. Which is an edible fungus?

 
 
 
 

20. Detailed study of bacteriophage was made by:

 
 
 
 

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

 
 
 
 

22. The teeth of peristome of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Which is a gametophytic tissue?

 
 
 
 

27. Parmelia belongs to :

 
 
 
 

28. Fern prothallus is:

 
 
 
 

29.

30. Funaria is a Bryophyta because :

 
 
 
 

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

 
 
 
 

32. Which of the following is true for viruses?

 
 
 
 

33. Heterospory and ligulate leaves are a feature of:

 
 
 
 

34. Vascular cryptogams is the term used for:

 
 
 
 

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

 
 
 
 

36. Which of the following are absent in Mycoplasma?

 
 
 
 

37. All archaebacteria lack:

 
 
 
 

38. The DNA of E coli is:

 
 
 
 

39. The seedless plants which possess vascular tissues are:

 
 
 
 

40. The fungi are usually:

 
 
 
 

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

 
 
 
 

42. Cyanophage is a virus that attacks:

 
 
 
 

43. Among the algae kelps are :

 
 
 
 

44. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

45. Embryophyta includes :

 
 
 
 

46. Polystelic condition is found in:

 
 
 
 

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

 
 
 
 

48. The development of sporangium in Selaginella is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Asexual reproductive body of Volvox is called:

 
 
 
 

52. Synzoospore is produced in:

 
 
 
 

53. 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:

 
 
 
 

54. What is special feature of fern archegonia?

 
 
 
 

55. Which class of Protozoa includes all parasitic forms?

 
 
 
 

56. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

66. Spermatophyta are characterized by producing:

 
 
 
 

67. Longest known virus is:

 
 
 
 

68. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

70. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

72. Halophiles are the bacteria that require for growth:

 
 
 
 

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

 
 
 
 

74. Which of the following applies to Selaginella?

 
 
 
 

75. Acetobacter is useful in:

 
 
 
 

76. Photosynthetic protists belong to:

 
 
 
 

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

 
 
 
 

78. Cell walls of Gram-positive bacteria contain:

 
 
 
 

79. The genetic material of poxvirus is:

 
 
 
 

80. The largest known bacterium is:

 
 
 
 

81. Clostridium can:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. The mycelium of Rhizopus is:

 
 
 
 

85. Viruses have:

 
 
 
 

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

 
 
 
 

87. Most common type of conjugation in Spirogyra is :

 
 
 
 

88. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

90. Which lichen is called Reindeer moss?

 
 
 
 

91. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

92. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

93. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

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

 
 
 
 

95. Reproduction in Cycas takes place by :

 
 
 
 

96. Winged pollen grains are found in :

 
 
 
 

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

 
 
 
 

98. Vascular tissue is found in :

 
 
 
 

99. Germination of the seed of Pinus is :

 
 
 
 

100. Embryophyta includes:

 
 
 
 

101. The fungi that grow on wood are called:

 
 
 
 

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

 
 
 
 

103. Photoautotrophic bacteria have:

 
 
 
 

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

 
 
 
 

105. In Gymnosperms endosperm is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

108. Male gametophyte of Selaginella is found:

 
 
 
 

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

 
 
 
 

110. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

111. The upper region of moss capsule is :

 
 
 
 

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

 
 
 
 

113. Fertility of the soil is increased by:

 
 
 
 

114. Usually, bacteria reproduce by:

 
 
 
 

115. Pasteurization of milk involves heating for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

119. Who named prion?

 
 
 
 

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

 
 
 
 

121. Pinus gerardiana is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

124. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

126. Saccharomyces is well known for:

 
 
 
 

127. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

130. In Pteris, the archegonia are present:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

134. Centric discoid form of diatom is:

 
 
 
 

135. Spores of which plants have chloroplast:

 
 
 
 

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

 
 
 
 

137. Lichens are the indicator of pollution :

 
 
 
 

138. The sexual reproductive organs in Rhizopus are:

 
 
 
 

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

 
 
 
 

140. Bivalved siliceous shell or frustule occur in:

 
 
 
 

141. The spermatozoids of Cycas are :

 
 
 
 

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

 
 
 
 

143. The alga, Spirogyra are found in :

 
 
 
 

144. Who discovered streptomycin?

 
 
 
 

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

 
 
 
 

146. Sexual reproduction in Rhizopus is by:

 
 
 
 

147. Pythium debaryanum is the causative agent of:

 
 
 
 

148. Bacteria are found everywhere, except:

 
 
 
 

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

 
 
 
 

150. Cleavage polyembryony is found in :

 
 
 
 

151. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

153. Water-net is the name of:

 
 
 
 

154. The prothallus of fern is:

 
 
 
 

155. Woody climbers are known as :

 
 
 
 

156. Gametophyte is the main plant body in :

 
 
 
 

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

 
 
 
 

158. Transfusion tissue is present in the leaflet of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

162. The chromosomal number in:

 
 
 
 

163. The microsporophylls on the cone of Cycas are :

 
 
 
 

164. Which of the following statements is not correct?

 
 
 
 

165. The megaspore of Selaginella on germination produces:

 
 
 
 

166. The most primitive vascular plants is:

 
 
 
 

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

 
 
 
 

168. The zoospores of Ulothrix are :

 
 
 
 

169.

 

170. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

175. Fruits are not found in :

 
 
 
 

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

 
 
 
 

177. Bacteria are placed under:

 
 
 
 

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

 
 
 
 

179. The chloroplast in Ulothrix is :

 
 
 
 

180. 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:

 
 
 
 

181. Where does meiosis occur in yeast?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

185. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

189. Coenogamete is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

193.

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

 
 
 
 

195. Sexual reproduction of lichen is due to :

 
 
 
 

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

 
 
 
 

197. Fairy ring is the name given to:

 
 
 
 

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

 
 
 
 

199. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

201. Pollination drop is:

 
 
 
 

202. Pseudomycelium is found in:

 
 
 
 

203. Bacteria growing on synthetic medium are called:

 
 
 
 

204. The gametophyte of fern bears:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

211. Choose the correct statement about Spirogyra:

 
 
 
 

212. Most of the lichens are composed of :

 
 
 
 

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

 
 
 
 

214. The sporangia of Selaginella are attached:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

218. Which of the following is a heterosporous pteridophyte?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

222. In Selaginella, the microsporangia are:

 
 
 
 

223. Lichens show :

 
 
 
 

224. In binomial system most of the words are:

 
 
 
 

225. Which of the following does not contain chlorophyll?

 
 
 
 

226. Pasteur is famous for his:

 
 
 
 

227. What are Cyanobacteria?

 
 
 
 

228. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

230.

231. Rice, pea, potato are :

 
 
 
 

232. In a diplontic life cycle:

 
 
 
 

233. Most primitive group of vascular plants are:

 
 
 
 

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

 
 
 
 

235. E coli is a:

 
 
 
 

236. The similarity between cyanobacteria and bacteria:

 
 
 
 

237. Metulae are found in:

 
 
 
 

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

 
 
 
 

239. Bacteria were first discovered by:

 
 
 
 

240. The root nodules of leguminous plants contain:

 
 
 
 

241. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

247. Early blight of potato is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

252. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

254. Circular DNA is seen in:

 
 
 
 

255. In Cycas microsporangia are borne on:

 
 
 
 

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

 
 
 
 

257. Plasmids are:

 
 
 
 

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

 
 
 
 

259. The sporophyte of Riccia is represented by :

 
 
 
 

260. Pasteurized milk is:

 
 
 
 

261. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

263. Which part of Riccia bears nurse cells?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

266. Multicellular and jacketed sex organs are found in :

 
 
 
 

267. Which of the following lichens is harmful?

 
 
 
 

268. Cycas revoluta is widely grown as :

 
 
 
 

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

 
 
 
 

270. Nannandria are:

 
 
 
 

271. Citrus canker is caused by:

 
 
 
 

272. Bentham and Hooker placed gymnosperms:

 
 
 
 

273. Lichens reproduce by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

278. Most primitive kind of flower is represented by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

281. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

283. Roots are absent in :

 
 
 
 

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

 
 
 
 

285. Which fixes atmospheric nitrogen?

 
 
 
 

286. In Funaria :

 
 
 
 

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

 
 
 
 

288. Psilotum is:

 
 
 
 

289. Etiology includes the study of :

 
 
 
 

290. Funaria is :

 
 
 
 

291. Agar-agar is obtained from:

 
 
 
 

292. Spirogyra differs from moss protonema in having :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

295. The roots of Cycas are :

 
 
 
 

296. Cycas is different from mango in :

 
 
 
 

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

 
 
 
 

298. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

300. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

302. Most of the algae are :

 
 
 
 

303. Interferon is a:

 
 
 
 

304. To which class Riccia belongs :

 
 
 
 

305. The largest alga is:

 
 
 
 

306. Vegetative reproduction in Cycas is by means of :

 
 
 
 

307. The role of meiosis is for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

310. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

312. Acellular slime mold is/are:

 
 
 
 

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

 
 
 
 

314. Chief constituents of bordeaux mixture are :

 
 
 
 

315. Pinus is:

 
 
 
 

316. Selaginella differs from Moss in having:

 
 
 
 

317. An alga which is rich in proteins:

 
 
 
 

318. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

320. Pneumonia is caused by:

 
 
 
 

321. Soil fertility is lost by the activities of:

 
 
 
 

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

 
 
 
 

323. The chief characteristic of bryophyta is that :

 
 
 
 

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

 
 
 
 

325. Chemosynthetic bacteria are:

 
 
 
 

326. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

327. Most primitive embryophytes are placed in :

 
 
 
 

328. Photosynthetic bacteria have:

 
 
 
 

329. Ethylene oxide is widely used to:

 
 
 
 

330. Mycoplasma are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

333. The most important property of yeast is:

 
 
 
 

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

 
 
 
 

335. The truncated cone of HIV consists of:

 
 
 
 

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

 
 
 
 

337. 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:

 
 
 
 

338. Which is not true for Escherichia coli?

 
 
 
 

339. Majority of lichens are :

 
 
 
 

340. Which organisms are the oldest life forms?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

343. Funaria is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

347. Which is not found in bacteria?

 
 
 
 

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

 
 
 
 

349. In Gymnocarpeae the fruiting body is :

 
 
 
 

350. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

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

 
 
 
 

352. Enzymes are absent in:

 
 
 
 

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

 
 
 
 

354. NBG of Lucknow is now named as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

358. 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:

 
 
 
 

359. Cocci types of bacteria are:

 
 
 
 

360. The sporangium of fern contains nearly:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

365. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

367. The order generally ends with:

 
 
 
 

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

 
 
 
 

369. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

371. The sporangiophores in Rhizopus are:

 
 
 
 

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

 
 
 
 

373. Siphonogamy is found in:

 
 
 
 

374. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

375. Yeast belongs to class:

 
 
 
 

376. Milk is converted to curd by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

381. Sporophyte of fern is:

 
 
 
 

382. Winged seeds are found in :

 
 
 
 

383. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

385. Ovules are not found enclosed in ovary of:

 
 
 
 

386. Facultative parasite is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

389. The ascus of yeast contains:

 
 
 
 

390. Azolla and Salvinia both are:

 
 
 
 

391. Bacteria are considered to be plants because they:

 
 
 
 

392. The archegonia in Selaginella develop on:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

396. Streptomyces falls under:

 
 
 
 

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

 
 
 
 

398. The fern plant is:

 
 
 
 

399. Saccharomyces is used in:

 
 
 
 

400. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

401. True sexuality is not found in:

 
 
 
 

402. The first to isolate a plant virus was:

 
 
 
 

403. Lichen show :

 
 
 
 

404. Reproduction in Rhizopus is:

 
 
 
 

405. The zygospore in Rhizopus on germination forms:

 
 
 
 

406. Mycoplasma contains:

 
 
 
 

407. Zoogametes are not found in:

 
 
 
 

408. Anoxygenic photosynthesis occurs in:

 
 
 
 

409. Leprosy is caused by:

 
 
 
 

410. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

413. Kuru, a human disease is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

416. Common phycobiont in a lichen is :

 
 
 
 

417. Pollination in Cycas takes place by :

 
 
 
 

418. Some biologists have used the term Mycetozoa for:

 
 
 
 

419. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

421. Which is a tautonym?

 
 
 
 

422. Germ theory of disease was proposed by:

 
 
 
 

423. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

425. Most appropriate word for protozoans is:

 
 
 
 

426. Which is a fungicide?

 
 
 
 

427. Rhizophore of Selaginella is:

 
 
 
 

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

 
 
 
 

429. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

430. Standard size of a herbarium sheet is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

433. The male gametes of Pinus are :

 
 
 
 

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

 
 
 
 

435. Genetic material of TMV is:

 
 
 
 

436. Some bacteria cannot be killed easily because of:

 
 
 
 

437. Sporophyte of Funaria is :

 
 
 
 

438. Water-borne bacterial diseases are:

 
 
 
 

439. The sori in Dryopteris are found on:

 
 
 
 

440. The term stele was given by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

443. Saccharomyces ludwigii ascus produces:

 
 
 
 

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

 
 
 
 

445. In moss, stomata are found:

 
 
 
 

446. . Tapetum develops in:

 
 
 
 

447. Ovary is absent in:

 
 
 
 

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

 
 
 
 

449. The coralloid roots are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

452. Simple polyembryony is found in :

 
 
 
 

453. Lichens are indicators of :

 
 
 
 

454. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

456. Lichens are ecologically important because :

 
 
 
 

457. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

460. First animal pathogenic virus was discovered by:

 
 
 
 

461. Maximum diversity of life forms occurs in :

 
 
 
 

462. Late blight of potato is caused by:

 
 
 
 

463. Which one of the following statement is wrong?

 
 
 
 

464. Which of the following have a prokaryotic cell?

 
 
 
 

465. Funaria are commonly found :

 
 
 
 

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

 
 
 
 

467. Cyathia is characterized by:

 
 
 
 

468. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

470. One of the distinctive feature of Spirogyra is :

 
 
 
 

471. The prothallus of fern represents the plant:

 
 
 
 

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

 
 
 
 

473. In Cycas:

 
 
 
 

474. Meristele of fern is:

 
 
 
 

475. What is streptomycin?

 
 
 
 

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

 
 
 
 

477. Nitrifying bacteria play an important role by converting:

 
 
 
 

478. Enteric bacteria are those bacteria that live:

 
 
 
 

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

 
 
 
 

480. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

484. The smallest bacterium is:

 
 
 
 

485. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

487. Protozoans are considered animals because these are:

 
 
 
 

488. Bryophyta have a special character from other plants:

 
 
 
 

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

 
 
 
 

490. To which country Antony van Leeuwenhoek belong?

 
 
 
 

491. In moss, sporophyte is formed on:

 
 
 
 

492. Most primitive embryophytes are placed in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

495. Broad spectrum antibiotic is, which:

 
 
 
 

496. The stele of Dryopteris is a:

 
 
 
 

497. The middle sterile part of capsule is called:

 
 
 
 

498. The flagella of Chlamydomonas are:

 
 
 
 

499. The fungi used as food are:

 
 
 
 

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

 
 
 
 

501. In Herpes virus DNA is:

 
 
 
 

502. Viruses are considered to be:

 
 
 
 

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

 
 
 
 

504. The mode of nutrition of bacteria is usually:

 
 
 
 

505. Gram stain is used to:

 
 
 
 

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

 
 
 
 

507. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

508. Lichens are pioneers of vegetation in a :

 
 
 
 

509. The plants of Funaria grow :

 
 
 
 

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

 
 
 
 

511. The young leaves of Cycas have :

 
 
 
 

512. An Hfr bacterium is one that contains:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

515. Linnaeus is credited with introducing:

 
 
 
 

516. Green plants are classified as :

 
 
 
 

517. The antibiotic is obtained from:

 
 
 
 

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

 
 
 
 

519. Azolla growing in paddy fields helps in:

 
 
 
 

520. Mycoplasma is different from bacteria due to:

 
 
 
 

521. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

523. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

526. In Cycas which structure is equivalent to stamen?

 
 
 
 

527. The antherozoids of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

532. The leaf of Cycas shows:

 
 
 
 

533. Penicillin is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

536. Water bloom is generally caused by :

 
 
 
 

537. 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?

 
 
 
 

538. The group algae possesses representatives belonging to kingdom:

 
 
 
 

539. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

543. Who discovered heterothallism in fungi?

 
 
 
 

544. Pteridophytes are also known as :

 
 
 
 

545. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

549. What is mycorrhiza?

 
 
 
 

550. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

551. Cycas is similar to a mustard plant :

 
 
 
 

552. Ginkgo biloba is a:

 
 
 
 

553. The leafy fern plant represents the:

 
 
 
 

554. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

555. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

557. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

560. The smallest unit of classification is:

 
 
 
 

561. 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:

 
 
 
 

562. The tallest moss in the world is :

 
 
 
 

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

 
 
 
 

564. Lichens form the first community in

 
 
 
 

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

 
 
 
 

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

 
 
 
 

567. Which of the following is a monocot?

 
 
 
 

568. The gametophyte of fern is as:

 
 
 
 

569. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

571. Seeds are characteristically found in :

 
 
 
 

572. A gill of Agaricus:

 
 
 
 

573. Mostly type of zygospore in Ulothrix is:

 
 
 
 

574. The Rhizopus gametes are formed in:

 
 
 
 

575. Cryptogams include :

 
 
 
 

576. In Funaria, calyptra is derived from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

579. Black rust of wheat is caused by:

 
 
 
 

580. Red rot of sugarcane is caused by:

 
 
 
 

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

 
 
 
 

582. Which is a redwood tree?

 
 
 
 

583. 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?

 
 
 
 

584. Select the wrong statement:

 
 
 
 

585. Black rust of wheat is caused by:

 
 
 
 

586. Who discovered cyanophages?

 
 
 
 

587. Ulothrix produces :

 
 
 
 

588. In moss, reduction division occurs in :

 
 
 
 

589. Small epidermal swellings due to infection are called :

 
 
 
 

590. Penicillin was discovered by:

 
 
 
 

591. Yeast is a source of:

 
 
 
 

592. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

597. Aflatoxin is produced by:

 
 
 
 

598. The archegonia of Selaginella are differentiated by:

 
 
 
 

599. The orders generally have the uniform endings:

 
 
 
 

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

 
 
 
 

601. Number of capsomeres forming capsid of TMV is:

 
 
 
 

602. Fruits are not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

605. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

606. The development of Selaginella embryo is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

609. LSD is:

 
 
 
 

610. Heterosporous pteridophytes always form:

 
 
 
 

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

 
 
 
 

612. Tautonyms are illegitimate in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

615. Spirogyra represents the :

 
 
 
 

616. Male gametes in Dryopteris are:

 
 
 
 

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

 
 
 
 

618. Embryo formation is not known in :

 
 
 
 

619. The rhizoids of Funaria are :

 
 
 
 

620. Antibiotics cure the disease by:

 
 
 
 

621. Mycoplasma was discovered by:

 
 
 
 

622. Rhizopus and yeast are usually:

 
 
 
 

623. Who among the following discovered virus?

 
 
 
 

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

 
 
 
 

625. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

627. Nitrogen-fixing bacteria may be located:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

630. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

632. 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:

 
 
 
 

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

 
 
 
 

634. The nucleus of bacteria is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

637. Bacteriophage consists of:

 
 
 
 

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

 
 
 
 

639. Absorptive nutrition is:

 
 
 
 

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

 
 
 
 

641. The gametophyte produced by apospory is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

644. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

646. In moss, sporogenous tissue arises from:

 
 
 
 

647. Viroids have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

651. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

653. Ovules are not found enclosed in ovary in :

 
 
 
 

654. Protistan algae obtain their food as:

 
 
 
 

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

 
 
 
 

656. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

658. 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?

 
 
 
 

659. Citrus canker is caused by :

 
 
 
 

660. Antibiotic has been extracted from :

 
 
 
 

661. Most resistant spore in bacteria is:

 
 
 
 

662. Iodine is obtained from :

 
 
 
 

663. The source of litmus is :

 
 
 
 

664. Why is Cycas called a living fossil?

 
 
 
 

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

 
 
 
 

666. Infective part of virus was discovered by:

 
 
 
 

667. In Pteris, the roots are:

 
 
 
 

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

 
 
 
 

669. Heterospory is the production of:

 
 
 
 

670. Which one of the following is a monocot?

 
 
 
 

671. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

674. Little leaf disease of Brinjal is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

677. Fern phloem lacks:

 
 
 
 

678. Helotism word is used for the symbiosis between :

 
 
 
 

679. Rhizopus belongs to:

 
 
 
 

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

 
 
 
 

681. Meiosis in Ulothrix takes place:

 
 
 
 

682. Ergot of rye is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

686. The central part of Funaria axis is :

 
 
 
 

687. In moss, conducting tissue is made up of

 
 
 
 

688. Banana bunchy top is caused by :

 
 
 
 

689. Botulinum toxin effects:

 
 
 
 

690. Yeast grows more rapidly in:

 
 
 
 

691. Which of the following have algal zone?

 
 
 
 

692. Select the wrong statement:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

695. In Cycas the fertilization is:

 
 
 
 

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

 
 
 
 

697. What are plasmids?

 
 
 
 

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

 
 
 
 

699. Triple antigen injection or vaccine are for:

 
 
 
 

700. The fungi are mostly:

 
 
 
 

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

 
 
 
 

702. Mycoplasma are sensitive to:

 
 
 
 

703. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

705. Viruses are commonly transmitted in plants through:

 
 
 
 

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

 
 
 
 

707. The two conjugating gametangia of Rhizopus are:

 
 
 
 

708. TMV was isolated in crystalline form by:

 
 
 
 

709. The ferns are usually found:

 
 
 
 

710. The leaves of Funaria are :

 
 
 
 

711. The lambda phase is a:

 
 
 
 

712. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

715. Which statement is wrong in regard to bacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

718. The chief characteristic of class Ascomycetes is:

 
 
 
 

719. Lichens reproduce by :

 
 
 
 

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

 
 
 
 

721. In angiosperms double fertilization represents:

 
 
 
 

722. Cellular slime mold is:

 
 
 
 

723. Fern plants are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

728. Some diseases caused by bacteria are:

 
 
 
 

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

 
 
 
 

730. Facultative saprophyte is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

734. Discovery of penicillin was based on:

 
 
 
 

735. Seeds are characteristically found in:

 
 
 
 

736. How is moss different from fern?

 
 
 
 

737. Methanogens belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

740. White rust of crucifers is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

743. Fruiting body of lichens is :

 
 
 
 

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

 
 
 
 

745. Special feature of pollen grains of Pinus is :

 
 
 
 

746. Which of the following are included in Tracheophyta?

 
 
 
 

747. Total parasites belong to:

 
 
 
 

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

 
 
 
 

749. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

752. How a fern differs from a moss?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

755. Which of the following statement is correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

758. Pteridophyta are also called:

 
 
 
 

759. Virus and bacteriophage are made-up of:

 
 
 
 

760. The Rhizopus is:

 
 
 
 

761. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

764. The tree fern is:

 
 
 
 

765. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

767. Which is the nuclear material in bacteria?

 
 
 
 

768. The disease apple scab is caused by:

 
 
 
 

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

 
 
 
 

770. The photosynthetic protists are:

 
 
 
 

771. John Hutchinson divided dicots into two divisions:

 
 
 
 

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

 
 
 
 

773. Funaria can be differentiated from Cycas :

 
 
 
 

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

 
 
 
 

775. Which causes red tide?

 
 
 
 

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

 
 
 
 

777. The leaves of Funaria are :

 
 
 
 

778. The gametophyte of moss has distinct phases :

 
 
 
 

779. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

780. Mycoplasmas are not viruses in nature because:

 
 
 
 

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

 
 
 
 

782. Cycas is :

 
 
 
 

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

 
 
 
 

784. Redness of red sea is due to :

 
 
 
 

785. Pollination in Pinus is :

 
 
 
 

786. Botulism is a:

 
 
 
 

787. In moss, calyptra is formed from:

 
 
 
 

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

 
 
 
 

789. Smallpox is caused by:

 
 
 
 

790. Indusium in Dryopteris is:

 
 
 
 

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

 
 
 
 

792. Sleeping sickness disease in man is caused by:

 
 
 
 

793. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

794. Economic importance of bacteria lies in their being:

 
 
 
 

795. Which bacteria convert nitrate into nitrogen?

 
 
 
 

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

 
 
 
 

797. Rhizoids of Riccia are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

801. Which have the largest antherozoid?

 
 
 
 

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

 
 
 
 

803. Bacteria differ from viruses in being sensitive to:

 
 
 
 

804. 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:

 
 
 
 

805. Which is an exception to cell theory?

 
 
 
 

806. Diphtheria is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

811. The lichens growing on rocks are called :

 
 
 
 

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

 
 
 
 

813. Chemosynthetic bacteria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

817. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

821. All protozoans possess:

 
 
 
 

822. The megasporangium of Selaginella is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

825. Wine turns sour because of:

 
 
 
 

826. Which is the correct statement about Selaginella?

 
 
 
 

827. In tracheophyta:

 
 
 
 

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

 
 
 
 

829. In dinoflagellates, the two flagella are:

 
 
 
 

830. Green plants are classified as:

 
 
 
 

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

 
 
 
 

832. Red rot of sugarcane is caused by :

 
 
 
 

833. Virion refers to:

 
 
 
 

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

 
 
 
 

835. In a bacteriophage, DNA is present in:

 
 
 
 

836. Which of the following is true for Selaginella?

 
 
 
 

837. Amoeba is a member of the phylum:

 
 
 
 

838. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

840. Generic name of mango is:

 
 
 
 

841. Streptomycin is obtained from:

 
 
 
 

842. In moss, peristomial teeth are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

845. Endemic plants are characterised by their:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

850. Mucilaginous canals in Cycas are found in :

 
 
 
 

851. Bacteria which are spherical are called:

 
 
 
 

852. Reserve food in Euglena is:

 
 
 
 

853. What is a vector?

 
 
 
 

854. Placenta in fern is:

 
 
 
 

855. The sporophyte of Riccia is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

858. Protists which are diploid reproduce sexually by:

 
 
 
 

859. Which condition is found in Cycas?

 
 
 
 

860. Select the correct statement: (NEET 2016)

 
 
 
 

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

 
 
 
 

862. What is absent in Deuteromycetes?

 
 
 
 

863. Sometimes the bacterial cell is enclosed in:

 
 
 
 

864. Desired type of Cycas can be grown by: