Quiz_Random

1. Rhizopus and yeast are usually:

 
 
 
 

2. Saccharomyces is well known for:

 
 
 
 

3. Rhizoids of Riccia are :

 
 
 
 

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

 
 
 
 

5. In moss, peristomial teeth are:

 
 
 
 

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

 
 
 
 

7. Halophiles are the bacteria that require for growth:

 
 
 
 

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

 
 
 
 

9. Amoeba is a member of the phylum:

 
 
 
 

10. Yeast is a source of:

 
 
 
 

11. Which of the following is sago palm?

 
 
 
 

12. In Selaginella, the microsporangia are:

 
 
 
 

13. The ascus of yeast contains:

 
 
 
 

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

 
 
 
 

15. The truncated cone of HIV consists of:

 
 
 
 

16. LSD is:

 
 
 
 

17. The fern plant is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Botulinum toxin effects:

 
 
 
 

22. Bacteria which are spherical are called:

 
 
 
 

23. Which of the following is a heterosporous pteridophyte?

 
 
 
 

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

 
 
 
 

25. Bacteria were first discovered by:

 
 
 
 

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

 
 
 
 

27. Select the correct statement: (NEET 2016)

 
 
 
 

28. Which of the following applies to Selaginella?

 
 
 
 

29. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

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

 
 
 
 

31. The archegonia in Selaginella develop on:

 
 
 
 

32. Lichens are pioneers of vegetation in a :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Which of the following is true for Selaginella?

 
 
 
 

36. Rhizophore of Selaginella is:

 
 
 
 

37. Viruses are commonly transmitted in plants through:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Which of the following lichens is harmful?

 
 
 
 

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

 
 
 
 

44. The source of litmus is :

 
 
 
 

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

 
 
 
 

46. Metulae are found in:

 
 
 
 

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

 
 
 
 

48. Acellular slime mold is/are:

 
 
 
 

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

 
 
 
 

50. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

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

 
 
 
 

52. Proembryo in Pinus is :

 
 
 
 

53. Desired type of Cycas can be grown by:

 
 
 
 

54. Reproduction in Rhizopus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. What is streptomycin?

 
 
 
 

59. Ethylene oxide is widely used to:

 
 
 
 

60. Reserve food in Euglena is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. To which country Antony van Leeuwenhoek belong?

 
 
 
 

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

 
 
 
 

66. In Cycas which structure is equivalent to stamen?

 
 
 
 

67. Which is an edible fungus?

 
 
 
 

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

 
 
 
 

69. Lichens are indicators of :

 
 
 
 

70. Saccharomyces is used in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Some diseases caused by bacteria are:

 
 
 
 

74. Male gametophyte of Selaginella is found:

 
 
 
 

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

 
 
 
 

76. In moss, sporogenous tissue arises from:

 
 
 
 

77. Diphtheria is caused by:

 
 
 
 

78. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Selaginella differs from Moss in having:

 
 
 
 

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

 
 
 
 

85. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

89. In moss, stomata are found:

 
 
 
 

90. Some bacteria cannot be killed easily because of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

94. Fern prothallus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

99. Ginkgo biloba is a:

 
 
 
 

100. E coli is a:

 
 
 
 

101. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

105. Most of the lichens are composed of :

 
 
 
 

106. Lichens are the indicator of pollution :

 
 
 
 

107. Gametophyte is the main plant body in :

 
 
 
 

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

 
 
 
 

109. Pinus gerardiana is :

 
 
 
 

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

 
 
 
 

111. White rust of crucifers is caused by:

 
 
 
 

112. Bacteria are considered to be plants because they:

 
 
 
 

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

 
 
 
 

114. Generic name of mango is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

117. Vegetative reproduction in Cycas is by means of :

 
 
 
 

118. Ovary is absent in :

 
 
 
 

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

 
 
 
 

120. Virus and bacteriophage are made-up of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

123. What are plasmids?

 
 
 
 

124. 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?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

127. Mycoplasma contains:

 
 
 
 

128. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

129. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

132. The coralloid roots are :

 
 
 
 

133. Pteridophyta are also called:

 
 
 
 

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

 
 
 
 

135. Interferon is a:

 
 
 
 

136. Liverworts are included in :

 
 
 
 

137. Vascular cryptogam is the term used for :

 
 
 
 

138. Spermatophyta are characterized by producing:

 
 
 
 

139. All protozoans possess:

 
 
 
 

140. Protists which are diploid reproduce sexually by:

 
 
 
 

141. Germ theory of disease was proposed by:

 
 
 
 

142. Bryophyta have a special character from other plants:

 
 
 
 

143. Kuru, a human disease is caused by:

 
 
 
 

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

 
 
 
 

145. Which of the following have algal zone?

 
 
 
 

146. Which statement is wrong in regard to bacteria?

 
 
 
 

147. Fruits are not found in Cycas because:

 
 
 
 

148. In Cycas the fertilization is:

 
 
 
 

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

 
 
 
 

150.

151. One of the distinctive feature of Spirogyra is :

 
 
 
 

152. Each chloroplast in Spirogyra bears :

 
 
 
 

153. The sporangium of fern contains nearly:

 
 
 
 

154. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

157. Facultative saprophyte is:

 
 
 
 

158. Indusium in Dryopteris is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

162. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

164. Parmelia belongs to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

169. Linnaeus is credited with introducing:

 
 
 
 

170. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

172. The rhizoids of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

175. Rhizopus belongs to:

 
 
 
 

176. Funaria are commonly found :

 
 
 
 

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

 
 
 
 

178. John Hutchinson divided dicots into two divisions:

 
 
 
 

179. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

181. Iodine is obtained from :

 
 
 
 

182. Bivalved siliceous shell or frustule occur in:

 
 
 
 

183. Yeast belongs to class:

 
 
 
 

184. Embryophyta includes :

 
 
 
 

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

 
 
 
 

186. Tautonyms are illegitimate in:

 
 
 
 

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

 
 
 
 

188. Circular DNA is seen in:

 
 
 
 

189. Fruits are not found in:

 
 
 
 

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

 
 
 
 

191. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

193. The DNA of E coli is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

196. An alga which is rich in proteins:

 
 
 
 

197. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

199. Cycas revoluta is widely grown as :

 
 
 
 

200. In moss, conducting tissue is made up of

 
 
 
 

201. The tallest moss in the world is :

 
 
 
 

202. Why is Cycas called a living fossil?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

205. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

208. Pseudomycelium is found in:

 
 
 
 

209. Antibiotics cure the disease by:

 
 
 
 

210. The leafy fern plant represents the:

 
 
 
 

211. Spermatophyta are characterized by producing:

 
 
 
 

212. The smallest unit of classification is:

 
 
 
 

213. Nitrifying bacteria play an important role by converting:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

216. 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:

 
 
 
 

217. Fruiting body of lichens is :

 
 
 
 

218. The upper region of moss capsule is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

221. Which group of algae have an incipient nucleus?

 
 
 
 

222. Sporophyte of Funaria is :

 
 
 
 

223. Which of the following statement is correct?

 
 
 
 

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

 
 
 
 

225. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

227. Oswald Tippo’s classification is:

 
 
 
 

228. Nitrogen-fixing bacteria may be located:

 
 
 
 

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

 
 
 
 

230. The chief characteristic of bryophyta is that :

 
 
 
 

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

 
 
 
 

232. In angiosperms double fertilization represents:

 
 
 
 

233. Who discovered heterothallism in fungi?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

236. Which organisms are the oldest life forms?

 
 
 
 

237. Most primitive embryophytes are placed in :

 
 
 
 

238. 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:

 
 
 
 

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

 
 
 
 

240. Pasteurized milk is:

 
 
 
 

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

 
 
 
 

242. The order generally ends with:

 
 
 
 

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

 
 
 
 

244. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

247. The development of Selaginella embryo is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

250. Majority of lichens are :

 
 
 
 

251. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

253. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

257. Choose the correct statement about Spirogyra:

 
 
 
 

258. Gram stain is used to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

261. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

264. Bacteria are placed under:

 
 
 
 

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

 
 
 
 

266. Lichens are ecologically important because :

 
 
 
 

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

 
 
 
 

268. The lichens growing on rocks are called :

 
 
 
 

269. Where does meiosis occur in yeast?

 
 
 
 

270.

271. Mixed cropping helps :

 
 
 
 

272. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

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

 
 
 
 

274. Pasteurization of milk involves heating for:

 
 
 
 

275. Bryophyta have been placed in cryptogams because:

 
 
 
 

276. Which class of Protozoa includes all parasitic forms?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

280. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

282. In Pteris, the roots are:

 
 
 
 

283. Bacteria differ from viruses in being sensitive to:

 
 
 
 

284. Milk is converted to curd by:

 
 
 
 

285. Winged pollen grains are found in :

 
 
 
 

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

 
 
 
 

287. Heterocysts are found in :

 
 
 
 

288. The megaspore of Selaginella on germination produces:

 
 
 
 

289. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

290. Streptomycin is obtained from:

 
 
 
 

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

 
 
 
 

292. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

294. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

297. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

299. A gill of Agaricus:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

303. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

305. 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:

 
 
 
 

306. The spermatozoids of Cycas are :

 
 
 
 

307. Mucilaginous canals in Cycas are found in :

 
 
 
 

308. In Funaria :

 
 
 
 

309. 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?

 
 
 
 

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

 
 
 
 

311. The prothallus of fern represents the plant:

 
 
 
 

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

 
 
 
 

313. All archaebacteria lack:

 
 
 
 

314. Common phycobiont in a lichen is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

318. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

319. Simple polyembryony is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

322. Cleavage polyembryony is found in :

 
 
 
 

323. Ovules are not found enclosed in ovary in :

 
 
 
 

324. Etiology includes the study of :

 
 
 
 

325. Which of the following shows heterotrichous habit?

 
 
 
 

326. Funaria is :

 
 
 
 

327. Seeds are characteristically found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

331. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

332. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

335. Which of the following have a prokaryotic cell?

 
 
 
 

336. Black rust of wheat is caused by:

 
 
 
 

337. 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:

 
 
 
 

338. What is absent in Deuteromycetes?

 
 
 
 

339. The zygospore in Rhizopus on germination forms:

 
 
 
 

340. The stele of Dryopteris is a:

 
 
 
 

341. Genetic material of TMV is:

 
 
 
 

342. Funaria is :

 
 
 
 

343. The group algae possesses representatives belonging to kingdom:

 
 
 
 

344. The root nodules of leguminous plants contain:

 
 
 
 

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

 
 
 
 

346. Most primitive embryophytes are placed in:

 
 
 
 

347. Broad spectrum antibiotic is, which:

 
 
 
 

348. The mode of nutrition of bacteria is usually:

 
 
 
 

349. The archegonia of Selaginella are differentiated by:

 
 
 
 

350. Among the algae kelps are :

 
 
 
 

351. Bentham and Hooker placed gymnosperms:

 
 
 
 

352. Meiosis in Ulothrix takes place:

 
 
 
 

353. The zoospores of Ulothrix are :

 
 
 
 

354. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

357. Discovery of penicillin was based on:

 
 
 
 

358. The plants of Funaria grow :

 
 
 
 

359. Leprosy is caused by:

 
 
 
 

360. The sporangiophores in Rhizopus are:

 
 
 
 

361. Heterospory and ligulate leaves are a feature of:

 
 
 
 

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

 
 
 
 

363. Which is not found in bacteria?

 
 
 
 

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

 
 
 
 

365. Fairy ring is the name given to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

369. Which is the correct statement about Selaginella?

 
 
 
 

370. The male gametes of Pinus are :

 
 
 
 

371. Most of the algae are :

 
 
 
 

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

 
 
 
 

373. Acetobacter is useful in:

 
 
 
 

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

 
 
 
 

375. The term stele was given by:

 
 
 
 

376. Cyanophage is a virus that attacks:

 
 
 
 

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

 
 
 
 

378. How is moss different from fern?

 
 
 
 

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

 
 
 
 

380. Bacteria are found everywhere, except:

 
 
 
 

381. Zoogametes are not found in:

 
 
 
 

382. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

384. The first to isolate a plant virus was:

 
 
 
 

385. Vascular tissue is found in :

 
 
 
 

386. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

390. Bacteriophages have been used as:

 
 
 
 

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

 
 
 
 

392. The gametophyte of fern bears:

 
 
 
 

393. Pollination in Cycas takes place by :

 
 
 
 

394. Some biologists have used the term Mycetozoa for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

397. Cellular slime mold is:

 
 
 
 

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

 
 
 
 

399. Which bacteria convert nitrate into nitrogen?

 
 
 
 

400. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

401. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

405. What are Cyanobacteria?

 
 
 
 

406. Spirogyra differs from moss protonema in having :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

409. Pythium debaryanum is the causative agent of:

 
 
 
 

410. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

414. Transfusion tissue is present in the leaflet of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

418. Special feature of pollen grains of Pinus is :

 
 
 
 

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

 
 
 
 

420. In Gymnocarpeae the fruiting body is :

 
 
 
 

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

 
 
 
 

422. The similarity between cyanobacteria and bacteria:

 
 
 
 

423. Detailed study of bacteriophage was made by:

 
 
 
 

424. Absorptive nutrition is:

 
 
 
 

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

 
 
 
 

426. Early blight of potato is caused by:

 
 
 
 

427. In Funaria, calyptra is derived from :

 
 
 
 

428. The ferns are usually found:

 
 
 
 

429. Red rot of sugarcane is caused by :

 
 
 
 

430. 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?

 
 
 
 

431. The role of meiosis is for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

436. Lichens form the first community in

 
 
 
 

437. Triple antigen injection or vaccine are for:

 
 
 
 

438. The spur of Pinus roxburghii has :

 
 
 
 

439. The teeth of peristome of Funaria are :

 
 
 
 

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

 
 
 
 

441. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

443. The sporangia of Selaginella are attached:

 
 
 
 

444. Sporophyte of fern is:

 
 
 
 

445. Embryo formation is not known in :

 
 
 
 

446. Cycas is similar to a mustard plant :

 
 
 
 

447. Fertility of the soil is increased by:

 
 
 
 

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

 
 
 
 

449. Select the wrong statement:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

455. Cycas is different from mango in :

 
 
 
 

456. Vascular cryptogams is the term used for:

 
 
 
 

457. In a diplontic life cycle:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

460. The mycelium of Rhizopus is:

 
 
 
 

461. Virion refers to:

 
 
 
 

462. In Cycas:

 
 
 
 

463. The two conjugating gametangia of Rhizopus are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

466. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

467. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

468. Mycoplasmas are not viruses in nature because:

 
 
 
 

469. The Rhizopus gametes are formed in:

 
 
 
 

470. Economic importance of bacteria lies in their being:

 
 
 
 

471. Pollination drop is:

 
 
 
 

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

 
 
 
 

473. Azolla and Salvinia both are:

 
 
 
 

474. Red rot of sugarcane is caused by :

 
 
 
 

475. In Pteris, the archegonia are present:

 
 
 
 

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

 
 
 
 

477. Late blight of potato is caused by:

 
 
 
 

478. 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:

 
 
 
 

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

 
 
 
 

480. Fern prothallus produces:

 
 
 
 

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

 
 
 
 

482. Fern phloem lacks:

 
 
 
 

483. Pinus microsporophyll bears:

 
 
 
 

484. Wine turns sour because of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

488. Saccharomyces ludwigii ascus produces:

 
 
 
 

489. The alga, Spirogyra are found in :

 
 
 
 

490. Which is the nuclear material in bacteria?

 
 
 
 

491. Germination of the seed of Pinus is :

 
 
 
 

492. How a fern differs from a moss?

 
 
 
 

493. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

495. What is a vector?

 
 
 
 

496. NBG of Lucknow is now named as:

 
 
 
 

497. Cell walls of Gram-positive bacteria contain:

 
 
 
 

498. Which of the following is true for viruses?

 
 
 
 

499. Lichens show :

 
 
 
 

500. Ovary is absent in:

 
 
 
 

501. The fungi are mostly:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

505. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

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

 
 
 
 

507. Most appropriate word for protozoans is:

 
 
 
 

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

 
 
 
 

509. Winged seeds are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

513. Enteric bacteria are those bacteria that live:

 
 
 
 

514. Anoxygenic photosynthesis occurs in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

517. The sporophyte of Riccia is :

 
 
 
 

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

 
 
 
 

519. Cycas is :

 
 
 
 

520. In binomial system most of the words are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

523. The nucleus of bacteria is:

 
 
 
 

524. Methanogens belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

527. Which one of the following is a monocot?

 
 
 
 

528. Ectocarpus produces:

 
 
 
 

529. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

533. Funaria can be differentiated from Cycas :

 
 
 
 

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

 
 
 
 

535. Water-borne bacterial diseases are:

 
 
 
 

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

 
 
 
 

537. Which is an exception to cell theory?

 
 
 
 

538. Sexual reproduction of lichen is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

542. In moss, sporophyte is formed on:

 
 
 
 

543. Who discovered streptomycin?

 
 
 
 

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

 
 
 
 

545. The sori in Dryopteris are found on:

 
 
 
 

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

 
 
 
 

547. Enzymes are absent in:

 
 
 
 

548. 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:

 
 
 
 

549. Botulism is a:

 
 
 
 

550. Photosynthetic bacteria have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

554. The chloroplast of Chlamydomonas are:

 
 
 
 

555. Which is not true for Escherichia coli?

 
 
 
 

556. The young leaves of Cycas have :

 
 
 
 

557. Standard size of a herbarium sheet is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

560. The development of sporangium in Selaginella is:

 
 
 
 

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

 
 
 
 

562. In a bacteriophage, DNA is present in:

 
 
 
 

563. Select the wrong statement:

 
 
 
 

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

 
 
 
 

565. In moss, reduction division occurs in :

 
 
 
 

566. An Hfr bacterium is one that contains:

 
 
 
 

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

 
 
 
 

568. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

571. Photoautotrophic bacteria have:

 
 
 
 

572. Endemic plants are characterised by their:

 
 
 
 

573. Number of capsomeres forming capsid of TMV is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

576. Ergot of rye is caused by:

 
 
 
 

577. The most primitive vascular plants is:

 
 
 
 

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

 
 
 
 

579. Mycoplasma was discovered by:

 
 
 
 

580. First animal pathogenic virus was discovered by:

 
 
 
 

581. Ulothrix produces :

 
 
 
 

582. The sporophyte of Riccia is represented by :

 
 
 
 

583. Placenta in fern is:

 
 
 
 

584. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

588. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

590. Lichens reproduce by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

593. Longest known virus is:

 
 
 
 

594. Cryptogams include :

 
 
 
 

595. Penicillin is obtained from:

 
 
 
 

596. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

598. Siphonogamy is found in:

 
 
 
 

599. The antherozoids of Funaria are :

 
 
 
 

600. The leaves of Funaria are :

 
 
 
 

601. Agar-agar is obtained from:

 
 
 
 

602. Lichens reproduce by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

606. Facultative parasite is:

 
 
 
 

607. Who among the following discovered virus?

 
 
 
 

608. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

613. Disease resistant plant varieties can be produced by :

 
 
 
 

614. Soil fertility is lost by the activities of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

617. Funaria is a Bryophyta because :

 
 
 
 

618. The sexual reproductive organs in Rhizopus are:

 
 
 
 

619. Pneumonia is caused by:

 
 
 
 

620. The orders generally have the uniform endings:

 
 
 
 

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

 
 
 
 

622. Chemosynthetic bacteria are:

 
 
 
 

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

 
 
 
 

624. The disease symptom necrosis refers to :

 
 
 
 

625. Aflatoxin is produced by:

 
 
 
 

626. Psilotum is:

 
 
 
 

627. The genetic material of poxvirus is:

 
 
 
 

628. Isomorphic type alternation of generation is found in:

 
 
 
 

629. Total parasites belong to:

 
 
 
 

630. The lambda phase is a:

 
 
 
 

631. In dinoflagellates, the two flagella are:

 
 
 
 

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

 
 
 
 

633. Usually, bacteria reproduce by:

 
 
 
 

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

 
 
 
 

635. The gametophyte of fern is as:

 
 
 
 

636. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

638. The chromosomal number in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

641. Aflatoxin is produced as a product in :

 
 
 
 

642. Who named prion?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

645. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

649. Heterospory is the production of:

 
 
 
 

650. Which is a redwood tree?

 
 
 
 

651. TMV was isolated in crystalline form by:

 
 
 
 

652. Lichen show :

 
 
 
 

653. Most resistant spore in bacteria is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

656. Green plants are classified as:

 
 
 
 

657. Bacteriophage consists of:

 
 
 
 

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

 
 
 
 

659. Spores of which plants have chloroplast:

 
 
 
 

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

 
 
 
 

661. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

663. Synzoospore is produced in:

 
 
 
 

664. Cyathia is characterized by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

669. Citrus canker is caused by:

 
 
 
 

670. Streptomyces falls under:

 
 
 
 

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

 
 
 
 

672. Typhoid in man is caused by:

 
 
 
 

673. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

676. Viruses are considered to be:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

679. Maximum diversity of life forms occurs in :

 
 
 
 

680. Which is a gametophytic tissue?

 
 
 
 

681. Plasmids are:

 
 
 
 

682. Most primitive group of vascular plants are:

 
 
 
 

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

 
 
 
 

684. Black rust of wheat is caused by:

 
 
 
 

685. Little leaf disease of Brinjal is caused by:

 
 
 
 

686. Chemosynthetic bacteria are:

 
 
 
 

687. In moss, calyptra is formed from:

 
 
 
 

688. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

689. Clostridium can:

 
 
 
 

690. Roots are absent in :

 
 
 
 

691. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

693.

 

694. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

696. Which lichen is called Reindeer moss?

 
 
 
 

697. The tree fern is:

 
 
 
 

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

 
 
 
 

699. Which is a tautonym?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

704. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

706. Mycoplasma is different from bacteria due to:

 
 
 
 

707. Viruses have:

 
 
 
 

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

 
 
 
 

709. The Rhizopus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

712. Which causes red tide?

 
 
 
 

713. Chief constituents of bordeaux mixture are :

 
 
 
 

714. Mycoplasma are:

 
 
 
 

715. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

719. Which have the largest antherozoid?

 
 
 
 

720. Sleeping sickness disease in man is caused by:

 
 
 
 

721. True sexuality is not found in:

 
 
 
 

722. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

724. The microsporophylls on the cone of Cycas are :

 
 
 
 

725. The seedless plants which possess vascular tissues are:

 
 
 
 

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

 
 
 
 

727. The gametophyte of moss has distinct phases :

 
 
 
 

728. The middle sterile part of capsule is called:

 
 
 
 

729. The largest known bacterium is:

 
 
 
 

730. Pinus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

733. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

735. The flagella of Chlamydomonas are:

 
 
 
 

736. Viroids have:

 
 
 
 

737. The gametophyte produced by apospory is :

 
 
 
 

738. Which is a fungicide?

 
 
 
 

739. All algae have:

 
 
 
 

740. Oswald Tippo’s classification was based on :

 
 
 
 

741. Sexual reproduction in Rhizopus is by:

 
 
 
 

742. Yeast grows more rapidly in:

 
 
 
 

743. Reproduction in Cycas takes place by :

 
 
 
 

744. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

748. Pythium debaryanum is the causative agent of:

 
 
 
 

749. Green plants are classified as :

 
 
 
 

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

 
 
 
 

751. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

753. In Herpes virus DNA is:

 
 
 
 

754. The most important property of yeast is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

757. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

759. The megasporangium of Selaginella is:

 
 
 
 

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

 
 
 
 

761. Cocci types of bacteria are:

 
 
 
 

762. Pasteur is famous for his:

 
 
 
 

763. Which of the following statements is not correct?

 
 
 
 

764. In Gymnosperms endosperm is a:

 
 
 
 

765. The fungi used as food are:

 
 
 
 

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

 
 
 
 

767. The prothallus of fern is:

 
 
 
 

768. In Cycas microsporangia are borne on:

 
 
 
 

769. Mostly type of zygospore in Ulothrix is:

 
 
 
 

770. Who discovered cyanophages?

 
 
 
 

771. What is mycorrhiza?

 
 
 
 

772. Most primitive kind of flower is represented by:

 
 
 
 

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

 
 
 
 

774. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

777. The chief characteristic of class Ascomycetes is:

 
 
 
 

778. Pollination in Pinus is :

 
 
 
 

779. Infective part of virus was discovered by:

 
 
 
 

780. Polystelic condition is found in:

 
 
 
 

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

 
 
 
 

782. Cycas is:

 
 
 
 

783. Fern plants are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

787. Red rot of sugarcane is caused by:

 
 
 
 

788. Sometimes the bacterial cell is enclosed in:

 
 
 
 

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

 
 
 
 

790. Mycoplasma are sensitive to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

795. In tracheophyta:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

801. Penicillin was discovered by:

 
 
 
 

802. The chloroplast in Ulothrix is :

 
 
 
 

803. The disease apple scab is caused by:

 
 
 
 

804. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

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

 
 
 
 

806.

807. The roots of Cycas are :

 
 
 
 

808. Embryophyta includes:

 
 
 
 

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

 
 
 
 

810. Coenogamete is found in:

 
 
 
 

811. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

813. The photosynthetic protists are:

 
 
 
 

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

 
 
 
 

815. Centric discoid form of diatom is:

 
 
 
 

816. What is special feature of fern archegonia?

 
 
 
 

817. Which is absent from the xylem of Cycas?

 
 
 
 

818. Which of the following are absent in Mycoplasma?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

821. Smallpox is caused by:

 
 
 
 

822. Ovules are not found enclosed in ovary of:

 
 
 
 

823. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

824. Photosynthetic protists belong to:

 
 
 
 

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

 
 
 
 

826. The largest alga is:

 
 
 
 

827. The central part of Funaria axis is :

 
 
 
 

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

 
 
 
 

829. To which class Riccia belongs :

 
 
 
 

830. Which of the following is a monocot?

 
 
 
 

831. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

832. Meristele of fern is:

 
 
 
 

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

 
 
 
 

834. Which part of Riccia bears nurse cells?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

837. Protozoans are considered animals because these are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

840. The antibiotic is obtained from:

 
 
 
 

841. Bacteria growing on synthetic medium are called:

 
 
 
 

842. Gymnosperms could also be called as:

 
 
 
 

843. Helotism word is used for the symbiosis between :

 
 
 
 

844. The fungi that grow on wood are called:

 
 
 
 

845. Heterosporous pteridophytes always form:

 
 
 
 

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

 
 
 
 

847. The smallest bacterium is:

 
 
 
 

848. Small epidermal swellings due to infection are called :

 
 
 
 

849. Azolla growing in paddy fields helps in:

 
 
 
 

850. The fungi are usually:

 
 
 
 

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

 
 
 
 

852. What is the role of nitrifying bacteria?

 
 
 
 

853. Which condition is found in Cycas?

 
 
 
 

854. . Tapetum develops in:

 
 
 
 

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

 
 
 
 

856. Which of the following are included in Tracheophyta?

 
 
 
 

857. 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?

 
 
 
 

858. Protistan algae obtain their food as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

861. The leaf of Cycas shows:

 
 
 
 

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

 
 
 
 

863. Male gametes in Dryopteris are:

 
 
 
 

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