Quiz_Random

1. 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:

 
 
 
 

2. Sometimes the bacterial cell is enclosed in:

 
 
 
 

3. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

4. Cap cells are found in the filament of:

 
 
 
 

5. Each chloroplast in Spirogyra bears :

 
 
 
 

6. What is streptomycin?

 
 
 
 

7. Lichens reproduce by :

 
 
 
 

8. The young leaves of Cycas have :

 
 
 
 

9. Diphtheria is caused by:

 
 
 
 

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

 
 
 
 

11. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

12. Reserve food in Euglena is:

 
 
 
 

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

 
 
 
 

14. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. In Selaginella, the microsporangia are:

 
 
 
 

18. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

20. The development of Selaginella embryo is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Ethylene oxide is widely used to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. The fungi are mostly:

 
 
 
 

29. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

31. Select the wrong statement:

 
 
 
 

32. Meristele of fern is:

 
 
 
 

33. Isomorphic type alternation of generation is found in:

 
 
 
 

34. Viruses are commonly transmitted in plants through:

 
 
 
 

35. Botulism is a:

 
 
 
 

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

 
 
 
 

37. TMV was isolated in crystalline form by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Cycas is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Interferon is a:

 
 
 
 

44. Citrus canker is caused by :

 
 
 
 

45. Liverworts are included in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Germination of the seed of Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Chemosynthetic bacteria are:

 
 
 
 

56. In Herpes virus DNA is:

 
 
 
 

57. Pollination in Cycas takes place by :

 
 
 
 

58. Funaria is a Bryophyta because :

 
 
 
 

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

 
 
 
 

60. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

61. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

63. The coralloid roots are :

 
 
 
 

64. The similarity between cyanobacteria and bacteria:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. The spermatozoids of Cycas are :

 
 
 
 

68. Metulae are found in:

 
 
 
 

69. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

71. The development of sporangium in Selaginella is:

 
 
 
 

72. In moss, peristomial teeth are:

 
 
 
 

73. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

74. Methanogens belong to:

 
 
 
 

75. Bacteria are placed under:

 
 
 
 

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

 
 
 
 

77. Typhoid in man is caused by:

 
 
 
 

78. Leprosy is caused by:

 
 
 
 

79. Vascular cryptogam is the term used for :

 
 
 
 

80. Saccharomyces ludwigii ascus produces:

 
 
 
 

81. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. True sexuality is not found in:

 
 
 
 

85. Acetobacter is useful in:

 
 
 
 

86. Which of the following have a prokaryotic cell?

 
 
 
 

87. The sporangiophores in Rhizopus are:

 
 
 
 

88. Who named prion?

 
 
 
 

89. In Gymnosperms endosperm is a:

 
 
 
 

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

 
 
 
 

91. Cycas plant in appearance resembles :

 
 
 
 

92. To which country Antony van Leeuwenhoek belong?

 
 
 
 

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

 
 
 
 

94. Vegetative reproduction in Cycas is by means of :

 
 
 
 

95. Disease resistant plant varieties can be produced by :

 
 
 
 

96. Facultative saprophyte is:

 
 
 
 

97. Enzymes are absent in:

 
 
 
 

98. Heterospory and ligulate leaves are a feature of:

 
 
 
 

99. Most primitive embryophytes are placed in:

 
 
 
 

100. Which is an exception to cell theory?

 
 
 
 

101. Which statement is wrong in regard to bacteria?

 
 
 
 

102. Aflatoxin is produced by:

 
 
 
 

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

 
 
 
 

104. The genetic material of poxvirus is:

 
 
 
 

105. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

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

 
 
 
 

107. Bryophyta have a special character from other plants:

 
 
 
 

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

 
 
 
 

109. All protozoans possess:

 
 
 
 

110. Triple antigen injection or vaccine are for:

 
 
 
 

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

 
 
 
 

112. Late blight of potato is caused by:

 
 
 
 

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

 
 
 
 

114. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

115. The zygospore in Rhizopus on germination forms:

 
 
 
 

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

 
 
 
 

117. Bacteria are considered to be plants because they:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

120. The mycelium of Rhizopus is:

 
 
 
 

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

 
 
 
 

122. Which lichen is called Reindeer moss?

 
 
 
 

123. Water-borne bacterial diseases are:

 
 
 
 

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

 
 
 
 

125. Bacteria differ from viruses in being sensitive to:

 
 
 
 

126. What is special feature of fern archegonia?

 
 
 
 

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

 
 
 
 

128. Pseudomycelium is found in:

 
 
 
 

129. Tautonyms are illegitimate in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

132. Protistan algae obtain their food as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

136. Lichens are the indicator of pollution :

 
 
 
 

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

 
 
 
 

138. 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?

 
 
 
 

139. The smallest bacterium is:

 
 
 
 

140. All archaebacteria lack:

 
 
 
 

141. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

142. Which of the following are absent in Mycoplasma?

 
 
 
 

143. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

144. Lichens are ecologically important because :

 
 
 
 

145. An alga which is rich in proteins:

 
 
 
 

146. Mycoplasma contains:

 
 
 
 

147. Which is a tautonym?

 
 
 
 

148. Some diseases caused by bacteria are:

 
 
 
 

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

 
 
 
 

150. John Hutchinson divided dicots into two divisions:

 
 
 
 

151. Embryophyta includes :

 
 
 
 

152. In moss, sporophyte is formed on:

 
 
 
 

153. Bacteria are found everywhere, except:

 
 
 
 

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

 
 
 
 

155. Lichens are indicators of :

 
 
 
 

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

 
 
 
 

157. The teeth of peristome of Funaria are :

 
 
 
 

158. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

160. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

162. Pteridophyta are also called:

 
 
 
 

163. Choose the correct statement about Spirogyra:

 
 
 
 

164. Helotism word is used for the symbiosis between :

 
 
 
 

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

 
 
 
 

166. The gametophyte of moss has distinct phases :

 
 
 
 

167. The group algae possesses representatives belonging to kingdom:

 
 
 
 

168. Lichens show :

 
 
 
 

169. Gametophyte is the main plant body in :

 
 
 
 

170. Black rust of wheat is caused by:

 
 
 
 

171. White rust of crucifers is caused by:

 
 
 
 

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

 
 
 
 

173. Mycoplasma are sensitive to:

 
 
 
 

174. Cellular slime mold is:

 
 
 
 

175. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

177. The fungi used as food are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

180. Green plants are classified as :

 
 
 
 

181. The seedless plants which possess vascular tissues are:

 
 
 
 

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

 
 
 
 

183. Viroids have:

 
 
 
 

184. Leaf spot of groundnut is caused by :

 
 
 
 

185. Water bloom is generally caused by :

 
 
 
 

186. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

188. Ergot is obtained from :

 
 
 
 

189. Yeast is a source of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

192. Downy mildew disease is caused by :

 
 
 
 

193. Funaria is :

 
 
 
 

194. Sleeping sickness disease in man is caused by:

 
 
 
 

195. Bacteria growing on synthetic medium are called:

 
 
 
 

196. What is absent in Deuteromycetes?

 
 
 
 

197. Most of the lichens are composed of :

 
 
 
 

198. Virus and bacteriophage are made-up of:

 
 
 
 

199. Lichens reproduce by :

 
 
 
 

200. Gymnosperms could also be called as:

 
 
 
 

201. Infective part of virus was discovered by:

 
 
 
 

202. Which one of the following is a monocot?

 
 
 
 

203. Saccharomyces is used in:

 
 
 
 

204. Spirogyra represents the :

 
 
 
 

205. Fruiting body of lichens is :

 
 
 
 

206. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

208. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

210. Fertility of the soil is increased by:

 
 
 
 

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

 
 
 
 

212. Which is not found in bacteria?

 
 
 
 

213. Antibiotics cure the disease by:

 
 
 
 

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

 
 
 
 

215. Cleavage polyembryony is found in :

 
 
 
 

216. Bacteriophages have been used as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

220. Fern plants are:

 
 
 
 

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

 
 
 
 

222. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

223. The fern plant is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

226. The sexual reproductive organs in Rhizopus are:

 
 
 
 

227. The first to isolate a plant virus was:

 
 
 
 

228. Bacteria which are spherical are called:

 
 
 
 

229. Parmelia belongs to :

 
 
 
 

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

 
 
 
 

231. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

234. The chloroplast in Ulothrix is :

 
 
 
 

235. The chromosomal number in:

 
 
 
 

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

 
 
 
 

237. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

241. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

243. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

247. Citrus canker is caused by:

 
 
 
 

248. Facultative parasite is:

 
 
 
 

249. Enteric bacteria are those bacteria that live:

 
 
 
 

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

 
 
 
 

251. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

253. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

255. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

256.

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

 
 
 
 

258. The upper region of moss capsule is :

 
 
 
 

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

 
 
 
 

260. Cell walls of Gram-positive bacteria contain:

 
 
 
 

261. The flagella of Chlamydomonas are:

 
 
 
 

262. Zoogametes are not found in:

 
 
 
 

263. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

265. 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:

 
 
 
 

266. The leafy fern plant represents the:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

270. Seeds are characteristically found in :

 
 
 
 

271. Streptomycin is obtained from:

 
 
 
 

272. Ovules are not found enclosed in ovary in :

 
 
 
 

273. Indusium in Dryopteris is:

 
 
 
 

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

 
 
 
 

275. Which is a redwood tree?

 
 
 
 

276. How is moss different from fern?

 
 
 
 

277. Pasteurized milk is:

 
 
 
 

278. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

282.

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

 
 
 
 

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

 
 
 
 

285. Fern phloem lacks:

 
 
 
 

286. The truncated cone of HIV consists of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

290. Bacteriophage consists of:

 
 
 
 

291. Circular DNA is seen in:

 
 
 
 

292. Fairy ring is the name given to:

 
 
 
 

293. Genetic material of TMV is:

 
 
 
 

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

 
 
 
 

295. Some bacteria cannot be killed easily because of:

 
 
 
 

296. Ulothrix produces :

 
 
 
 

297. The gametophyte of fern bears:

 
 
 
 

298. Mycoplasma are:

 
 
 
 

299. Which of the following statement is correct?

 
 
 
 

300. Smallpox is caused by:

 
 
 
 

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

 
 
 
 

302. Reproduction in Cycas takes place by :

 
 
 
 

303. Iodine is obtained from :

 
 
 
 

304. The central part of Funaria axis is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

308. Early blight of potato is caused by:

 
 
 
 

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

 
 
 
 

310. Photosynthetic bacteria have:

 
 
 
 

311. Mucilaginous canals in Cycas are found in :

 
 
 
 

312. Who discovered streptomycin?

 
 
 
 

313. 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:

 
 
 
 

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

 
 
 
 

315. Asexual reproductive body of Volvox is called:

 
 
 
 

316. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

318. Etiology includes the study of :

 
 
 
 

319. Most appropriate word for protozoans is:

 
 
 
 

320. Most of the algae are :

 
 
 
 

321. LSD is:

 
 
 
 

322. Funaria are commonly found :

 
 
 
 

323. Placenta in fern is:

 
 
 
 

324. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

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

 
 
 
 

326. Special feature of pollen grains of Pinus is :

 
 
 
 

327. Spores of which plants have chloroplast:

 
 
 
 

328. NBG of Lucknow is now named as:

 
 
 
 

329. Anoxygenic photosynthesis occurs in:

 
 
 
 

330. 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:

 
 
 
 

331. Pasteurization of milk involves heating for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

335. Fruits are not found in :

 
 
 
 

336. Halophiles are the bacteria that require for growth:

 
 
 
 

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

 
 
 
 

338. The prothallus of fern represents the plant:

 
 
 
 

339. The Rhizopus gametes are formed in:

 
 
 
 

340. Which among the following is a shrub?

 
 
 
 

341. The tallest moss in the world is :

 
 
 
 

342. Little leaf disease of Brinjal is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

345. Which fixes atmospheric nitrogen?

 
 
 
 

346. Which is the correct statement about Selaginella?

 
 
 
 

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

 
 
 
 

348. Embryophyta includes:

 
 
 
 

349. The sporophyte of Riccia is :

 
 
 
 

350. Number of capsomeres forming capsid of TMV is:

 
 
 
 

351. Absorptive nutrition is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

355. Ovules are not found enclosed in ovary of:

 
 
 
 

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

 
 
 
 

357. The root nodules of leguminous plants contain:

 
 
 
 

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

 
 
 
 

359. The megasporangium of Selaginella is:

 
 
 
 

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

 
 
 
 

361. Which of the following is true for viruses?

 
 
 
 

362. Antibiotic has been extracted from :

 
 
 
 

363. Nitrifying bacteria play an important role by converting:

 
 
 
 

364. Who among the following discovered virus?

 
 
 
 

365. Black rust of wheat is caused by:

 
 
 
 

366. Who discovered heterothallism in fungi?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

369. Lichens are pioneers of vegetation in a :

 
 
 
 

370. Which part of Riccia bears nurse cells?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

374. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

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

 
 
 
 

376. In dinoflagellates, the two flagella are:

 
 
 
 

377. Yeast belongs to class:

 
 
 
 

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

 
 
 
 

379. Why is Cycas called a living fossil?

 
 
 
 

380. Chief constituents of bordeaux mixture are :

 
 
 
 

381. Club moss and Peat moss belong to:

 
 
 
 

382. Most primitive embryophytes are placed in :

 
 
 
 

383. In Cycas which structure is equivalent to stamen?

 
 
 
 

384. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

387. First animal pathogenic virus was discovered by:

 
 
 
 

388. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

390. The disease symptom necrosis refers to :

 
 
 
 

391. In Gymnocarpeae the fruiting body is :

 
 
 
 

392. Select the wrong statement:

 
 
 
 

393. Fern prothallus is:

 
 
 
 

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

 
 
 
 

395. The lambda phase is a:

 
 
 
 

396. Siphonogamy is found in:

 
 
 
 

397. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

398. The leaves of Funaria are :

 
 
 
 

399. The DNA of E coli is:

 
 
 
 

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

 
 
 
 

401. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

403. Simple polyembryony is found in :

 
 
 
 

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

 
 
 
 

405. Pinus is:

 
 
 
 

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

 
 
 
 

407. Nitrogen-fixing bacteria may be located:

 
 
 
 

408. Mycoplasma was discovered by:

 
 
 
 

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

 
 
 
 

410. Rhizopus and yeast are usually:

 
 
 
 

411. Saccharomyces is well known for:

 
 
 
 

412. 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?

 
 
 
 

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

 
 
 
 

414. The Rhizopus is:

 
 
 
 

415. The fungi that grow on wood are called:

 
 
 
 

416. The gametophyte produced by apospory is :

 
 
 
 

417. Which one of the following statement is wrong?

 
 
 
 

418. Cycas is :

 
 
 
 

419. 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:

 
 
 
 

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

 
 
 
 

421. Sexual reproduction of lichen is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

424. One of the distinctive feature of Spirogyra is :

 
 
 
 

425. Spirogyra differs from moss protonema in having :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

428. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

431. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

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

 
 
 
 

433. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

434. Centric discoid form of diatom is:

 
 
 
 

435. The ascus of yeast contains:

 
 
 
 

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

 
 
 
 

437. To which class Riccia belongs :

 
 
 
 

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

 
 
 
 

439. Vascular cryptogams is the term used for:

 
 
 
 

440. Which of the following is true for Selaginella?

 
 
 
 

441. The archegonia of Selaginella are differentiated by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

445. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

447. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

449. Penicillin is obtained from:

 
 
 
 

450. Sporophyte of fern is:

 
 
 
 

451. Rhizoids of Riccia are :

 
 
 
 

452. In Cycas microsporangia are borne on:

 
 
 
 

453. The nucleus of bacteria is:

 
 
 
 

454. Cycas revoluta is widely grown as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

457. Fruits are not found in:

 
 
 
 

458. Most primitive group of vascular plants are:

 
 
 
 

459. Cyanophage is a virus that attacks:

 
 
 
 

460. Which of the following are included in Tracheophyta?

 
 
 
 

461. Gram stain is used to:

 
 
 
 

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

 
 
 
 

463. A gill of Agaricus:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

466. Which organisms are the oldest life forms?

 
 
 
 

467. Longest known virus is:

 
 
 
 

468. Male gametes in Dryopteris are:

 
 
 
 

469. The male gametes of Pinus are :

 
 
 
 

470. 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:

 
 
 
 

471. Coenogamete is found in:

 
 
 
 

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

 
 
 
 

473. Mycoplasmas are not viruses in nature because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

476. Which is the nuclear material in bacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

479. The lichens growing on rocks are called :

 
 
 
 

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

 
 
 
 

481. The gametophyte of fern is as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

484. Water-net is the name of:

 
 
 
 

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

 
 
 
 

486. Which of the following shows heterotrichous habit?

 
 
 
 

487. Sexual reproduction in Rhizopus is by:

 
 
 
 

488. In binomial system most of the words are:

 
 
 
 

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

 
 
 
 

490. Common phycobiont in a lichen is :

 
 
 
 

491. Among the algae kelps are :

 
 
 
 

492. The roots of Cycas are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

495. The order generally ends with:

 
 
 
 

496. The chief characteristic of bryophyta is that :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

499. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

502. Pinus gerardiana is :

 
 
 
 

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

 
 
 
 

504. The microsporophylls on the cone of Cycas are :

 
 
 
 

505. The sporangium of fern contains nearly:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

508. How a fern differs from a moss?

 
 
 
 

509. Pollination drop is:

 
 
 
 

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

 
 
 
 

511. Majority of lichens are :

 
 
 
 

512. The disease apple scab is caused by:

 
 
 
 

513. The orders generally have the uniform endings:

 
 
 
 

514. The photosynthetic protists are:

 
 
 
 

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

 
 
 
 

516. The fungi are usually:

 
 
 
 

517. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

523. Which have the largest antherozoid?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

530. Pneumonia is caused by:

 
 
 
 

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

 
 
 
 

532. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

534. Standard size of a herbarium sheet is:

 
 
 
 

535. Funaria is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

538. Ergot of rye is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

542. Viruses are considered to be:

 
 
 
 

543. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

546. Which is an edible fungus?

 
 
 
 

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

 
 
 
 

548. Heterospory is the production of:

 
 
 
 

549. Lichens form the first community in

 
 
 
 

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

 
 
 
 

551. Pasteur is famous for his:

 
 
 
 

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

 
 
 
 

553. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

555. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

559. Polystelic condition is found in:

 
 
 
 

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

 
 
 
 

561. What are plasmids?

 
 
 
 

562. The stele of Dryopteris is a:

 
 
 
 

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

 
 
 
 

564. In moss, conducting tissue is made up of

 
 
 
 

565. In angiosperms double fertilization represents:

 
 
 
 

566. In a diplontic life cycle:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

572. Psilotum is:

 
 
 
 

573. Linnaeus is credited with introducing:

 
 
 
 

574. Where does meiosis occur in yeast?

 
 
 
 

575. Which condition is found in Cycas?

 
 
 
 

576. Acellular slime mold is/are:

 
 
 
 

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

 
 
 
 

578. Transfusion tissue is present in the leaflet of:

 
 
 
 

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

 
 
 
 

580. Ovary is absent in :

 
 
 
 

581. Which is a gametophytic tissue?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

584. Which of the following lichens is harmful?

 
 
 
 

585. The most important property of yeast is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

588. Penicillin was discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

596. In Funaria, calyptra is derived from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

599. Which of the following applies to Selaginella?

 
 
 
 

600. What is the role of nitrifying bacteria?

 
 
 
 

601. In moss, stomata are found:

 
 
 
 

602. Fern prothallus produces:

 
 
 
 

603. Discovery of penicillin was based on:

 
 
 
 

604. Winged seeds are found in :

 
 
 
 

605. Which causes red tide?

 
 
 
 

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

 
 
 
 

607. Which of the following is a heterosporous pteridophyte?

 
 
 
 

608. The sporangia of Selaginella are attached:

 
 
 
 

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

 
 
 
 

610. Which bacteria convert nitrate into nitrogen?

 
 
 
 

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

 
 
 
 

612. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

614. E coli is a:

 
 
 
 

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

 
 
 
 

616. In a bacteriophage, DNA is present in:

 
 
 
 

617. Some biologists have used the term Mycetozoa for:

 
 
 
 

618. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

621. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

625. Economic importance of bacteria lies in their being:

 
 
 
 

626. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

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

 
 
 
 

628. Mixed cropping helps :

 
 
 
 

629. Amoeba is a member of the phylum:

 
 
 
 

630. Rhizophore of Selaginella is:

 
 
 
 

631. Reproduction in Rhizopus is:

 
 
 
 

632. Banana bunchy top is caused by :

 
 
 
 

633. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

635. 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?

 
 
 
 

636. Bentham and Hooker placed gymnosperms:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

643. Mycoplasma is different from bacteria due to:

 
 
 
 

644. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

648. The source of litmus is :

 
 
 
 

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

 
 
 
 

650. The antibiotic is obtained from:

 
 
 
 

651. Plasmids are:

 
 
 
 

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

 
 
 
 

653. Sporophyte of Funaria is :

 
 
 
 

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

 
 
 
 

655. Red rot of sugarcane is caused by:

 
 
 
 

656. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

659. Most primitive kind of flower is represented by:

 
 
 
 

660. The rhizoids of Funaria are :

 
 
 
 

661. The smallest unit of classification is:

 
 
 
 

662. The archegonia in Selaginella develop on:

 
 
 
 

663. The mode of nutrition of bacteria is usually:

 
 
 
 

664. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

666. The tree fern is:

 
 
 
 

667. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

669. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

671. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

673. Rice, pea, potato are :

 
 
 
 

674. Oswald Tippo’s classification is:

 
 
 
 

675. Most resistant spore in bacteria is:

 
 
 
 

676.

677. What is a vector?

 
 
 
 

678. Pteridophytes are also known as :

 
 
 
 

679. The two conjugating gametangia of Rhizopus are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

682. Chemosynthetic bacteria are:

 
 
 
 

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

 
 
 
 

684. An Hfr bacterium is one that contains:

 
 
 
 

685. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

687. Which of the following is sago palm?

 
 
 
 

688. In moss, reduction division occurs in :

 
 
 
 

689. The leaf of Cycas shows:

 
 
 
 

690. Heterosporous pteridophytes always form:

 
 
 
 

691. Bivalved siliceous shell or frustule occur in:

 
 
 
 

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

 
 
 
 

693. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

695. Climbers are found in genus:

 
 
 
 

696. Detailed study of bacteriophage was made by:

 
 
 
 

697. Usually, bacteria reproduce by:

 
 
 
 

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

 
 
 
 

699. In Cycas the fertilization is:

 
 
 
 

700. In moss, sporogenous tissue arises from:

 
 
 
 

701. In Cycas:

 
 
 
 

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

 
 
 
 

703. Green plants are classified as:

 
 
 
 

704. The ferns are usually found:

 
 
 
 

705. Streptomyces falls under:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

710. Protists which are diploid reproduce sexually by:

 
 
 
 

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

 
 
 
 

712. What is mycorrhiza?

 
 
 
 

713. 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?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

716. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

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

 
 
 
 

718. Which is a fungicide?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

721. Woody climbers are known as :

 
 
 
 

722. The middle sterile part of capsule is called:

 
 
 
 

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

 
 
 
 

724. The prothallus of fern is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

728. Select the correct statement: (NEET 2016)

 
 
 
 

729. Which is not true for Escherichia coli?

 
 
 
 

730. Male gametophyte of Selaginella is found:

 
 
 
 

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

 
 
 
 

732. Generic name of mango is:

 
 
 
 

733. Rhizopus belongs to:

 
 
 
 

734. Ovary is absent in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

737. The largest alga is:

 
 
 
 

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

 
 
 
 

739. The sporophyte of Riccia is represented by :

 
 
 
 

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

 
 
 
 

741. Botulinum toxin effects:

 
 
 
 

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

 
 
 
 

743. Cyathia is characterized by:

 
 
 
 

744. The chief characteristic of class Ascomycetes is:

 
 
 
 

745. Viruses have:

 
 
 
 

746. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

750. Ectocarpus produces:

 
 
 
 

751. The sori in Dryopteris are found on:

 
 
 
 

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

 
 
 
 

753. In moss, calyptra is formed from:

 
 
 
 

754. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

756. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

758. Which of the following is a parasitic algae?

 
 
 
 

759. Bacteria were first discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

764. The plants of Funaria grow :

 
 
 
 

765. Cryptogams include :

 
 
 
 

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

 
 
 
 

767. The term stele was given by:

 
 
 
 

768. Clostridium can:

 
 
 
 

769. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

770. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

773. Funaria can be differentiated from Cycas :

 
 
 
 

774. In Pteris, the roots are:

 
 
 
 

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

 
 
 
 

776. Cycas is different from mango in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

780. Photoautotrophic bacteria have:

 
 
 
 

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

 
 
 
 

782.

 

783. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

784. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

786. The role of meiosis is for:

 
 
 
 

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

 
 
 
 

788. Endemic plants are characterised by their:

 
 
 
 

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

 
 
 
 

790. Kuru, a human disease is caused by:

 
 
 
 

791. Photosynthetic protists belong to:

 
 
 
 

792. The megaspore of Selaginella on germination produces:

 
 
 
 

793. Seeds are characteristically found in:

 
 
 
 

794. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

798. Total parasites belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

801. Germ theory of disease was proposed by:

 
 
 
 

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

 
 
 
 

803. In Pteris, the archegonia are present:

 
 
 
 

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

 
 
 
 

805. Cocci types of bacteria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

809. Soil fertility is lost by the activities of:

 
 
 
 

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

 
 
 
 

811. Milk is converted to curd by:

 
 
 
 

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

 
 
 
 

813. Which class of Protozoa includes all parasitic forms?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

818. Spermatophyta are characterized by producing:

 
 
 
 

819. Yeast grows more rapidly in:

 
 
 
 

820. The most primitive vascular plants is:

 
 
 
 

821. All algae have:

 
 
 
 

822. Which of the following are included in Tracheophyta?

 
 
 
 

823. Broad spectrum antibiotic is, which:

 
 
 
 

824. The antherozoids of Funaria are :

 
 
 
 

825. Wine turns sour because of:

 
 
 
 

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

 
 
 
 

827. Azolla and Salvinia both are:

 
 
 
 

828. The largest known bacterium is:

 
 
 
 

829. Winged pollen grains are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

835. Who discovered cyanophages?

 
 
 
 

836. Azolla growing in paddy fields helps in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

841. Selaginella differs from Moss in having:

 
 
 
 

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

 
 
 
 

843. In tracheophyta:

 
 
 
 

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

 
 
 
 

845. Most common type of conjugation in Spirogyra is :

 
 
 
 

846. 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:

 
 
 
 

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

 
 
 
 

848. . Tapetum develops in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

851. Which of the following statements is not correct?

 
 
 
 

852. In Funaria :

 
 
 
 

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

 
 
 
 

854. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

856. Which of the following is a monocot?

 
 
 
 

857. Protozoans are considered animals because these are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

860. Lichen show :

 
 
 
 

861. Virion refers to:

 
 
 
 

862. Roots are absent in :

 
 
 
 

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

 
 
 
 

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