Quiz_Random

1. In Herpes virus DNA is:

 
 
 
 

2. Which of the following are included in Tracheophyta?

 
 
 
 

3. Pteridophyta are also called:

 
 
 
 

4. Red rot of sugarcane is caused by :

 
 
 
 

5. 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:

 
 
 
 

6. The largest alga is:

 
 
 
 

7. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

9. Diphtheria is caused by:

 
 
 
 

10. Botulism is a:

 
 
 
 

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

 
 
 
 

12. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

14. Most primitive kind of flower is represented by:

 
 
 
 

15. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

16. Mostly type of zygospore in Ulothrix is:

 
 
 
 

17. In a diplontic life cycle:

 
 
 
 

18. In moss, sporogenous tissue arises from:

 
 
 
 

19. Banana bunchy top is caused by :

 
 
 
 

20. Soil fertility is lost by the activities of:

 
 
 
 

21. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Most appropriate word for protozoans is:

 
 
 
 

27. Pinus microsporophyll bears:

 
 
 
 

28. The development of Selaginella embryo is:

 
 
 
 

29. An Hfr bacterium is one that contains:

 
 
 
 

30. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

32. Gymnosperms could also be called as:

 
 
 
 

33. Which of the following does not contain chlorophyll?

 
 
 
 

34. The fungi are usually:

 
 
 
 

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

 
 
 
 

36. The chief characteristic of bryophyta is that :

 
 
 
 

37. Common phycobiont in a lichen is :

 
 
 
 

38. The central part of Funaria axis is :

 
 
 
 

39. In moss, conducting tissue is made up of

 
 
 
 

40. Lichens reproduce by :

 
 
 
 

41. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

43. The role of meiosis is for:

 
 
 
 

44. The middle sterile part of capsule is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Mycoplasma was discovered by:

 
 
 
 

49. Which is not true for Escherichia coli?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Pinus is:

 
 
 
 

53. Some diseases caused by bacteria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Which statement is wrong in regard to bacteria?

 
 
 
 

57. Milk is converted to curd by:

 
 
 
 

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

 
 
 
 

59. Yeast belongs to class:

 
 
 
 

60. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

61. Which of the following lichens is harmful?

 
 
 
 

62. Winged pollen grains are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Streptomycin is obtained from:

 
 
 
 

67. The gametophyte of moss has distinct phases :

 
 
 
 

68. How a fern differs from a moss?

 
 
 
 

69. Bacteriophage consists of:

 
 
 
 

70. The similarity between cyanobacteria and bacteria:

 
 
 
 

71. Bacteria differ from viruses in being sensitive to:

 
 
 
 

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

 
 
 
 

73. TMV was isolated in crystalline form by:

 
 
 
 

74. Which of the following applies to Selaginella?

 
 
 
 

75. The tree fern is:

 
 
 
 

76. The DNA of E coli is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Streptomyces falls under:

 
 
 
 

80. Infective part of virus was discovered by:

 
 
 
 

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

 
 
 
 

82. The root nodules of leguminous plants contain:

 
 
 
 

83. Bacteria which are spherical are called:

 
 
 
 

84. The Rhizopus gametes are formed in:

 
 
 
 

85. The ascus of yeast contains:

 
 
 
 

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

 
 
 
 

87. Ergot of rye is caused by:

 
 
 
 

88. Embryophyta includes :

 
 
 
 

89. Bacteria were first discovered by:

 
 
 
 

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

 
 
 
 

91. The fungi that grow on wood are called:

 
 
 
 

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

 
 
 
 

93. Facultative parasite is:

 
 
 
 

94. Lichens show :

 
 
 
 

95. Funaria is a Bryophyta because :

 
 
 
 

96. Fruiting body of lichens is :

 
 
 
 

97. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

103. Nitrogen-fixing bacteria may be located:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

106. White rust of crucifers is caused by:

 
 
 
 

107. What is special feature of fern archegonia?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

112. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

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

 
 
 
 

114. Ovules are not found enclosed in ovary in :

 
 
 
 

115. Club moss is the common name of :

 
 
 
 

116. Fern prothallus is:

 
 
 
 

117. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

118. Funaria can be differentiated from Cycas :

 
 
 
 

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

 
 
 
 

120. The megasporangium of Selaginella is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

124. Parmelia belongs to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

129. The prothallus of fern is:

 
 
 
 

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

 
 
 
 

131. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

132. Ovary is absent in:

 
 
 
 

133. The fern plant is:

 
 
 
 

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

 
 
 
 

135. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

138. What are plasmids?

 
 
 
 

139. In Funaria :

 
 
 
 

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

 
 
 
 

141. Acellular slime mold is/are:

 
 
 
 

142. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

144. The gametophyte produced by apospory is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

147. Most of the algae are :

 
 
 
 

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

 
 
 
 

149. Pinus gerardiana is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

152. Ethylene oxide is widely used to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

159. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

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

 
 
 
 

161. Smut of maize is caused by :

 
 
 
 

162. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

166. The smallest bacterium is:

 
 
 
 

167. The coralloid roots are :

 
 
 
 

168. Mycoplasmas are not viruses in nature because:

 
 
 
 

169. In moss, sporophyte is formed on:

 
 
 
 

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

 
 
 
 

171. The lambda phase is a:

 
 
 
 

172. Fruits are not found in:

 
 
 
 

173. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

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

 
 
 
 

175. Mycoplasma contains:

 
 
 
 

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

 
 
 
 

177. Bacteria are found everywhere, except:

 
 
 
 

178. Which of the following is a monocot?

 
 
 
 

179. Cycas is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

183. The young leaves of Cycas have :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

187. Germination of the seed of Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

192. Funaria are commonly found :

 
 
 
 

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

 
 
 
 

194. The orders generally have the uniform endings:

 
 
 
 

195. Diploxylic vascular bundles are found in:

 
 
 
 

196. Which is a gametophytic tissue?

 
 
 
 

197. 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:

 
 
 
 

198. Protozoans are considered animals because these are:

 
 
 
 

199. Which of the following is a parasitic algae?

 
 
 
 

200. In Pteris, the roots are:

 
 
 
 

201. What is the role of nitrifying bacteria?

 
 
 
 

202. In a bacteriophage, DNA is present in:

 
 
 
 

203. The genetic material of poxvirus is:

 
 
 
 

204. Tautonyms are illegitimate in:

 
 
 
 

205. Ovules are not found enclosed in ovary of:

 
 
 
 

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

 
 
 
 

207. Why is Cycas called a living fossil?

 
 
 
 

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

 
 
 
 

209. Botulinum toxin effects:

 
 
 
 

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

 
 
 
 

211. Facultative saprophyte is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

215. Asexual reproductive body of Volvox is called:

 
 
 
 

216. Ovules are not found enclosed in ovary in :

 
 
 
 

217. 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?

 
 
 
 

218. 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:

 
 
 
 

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

 
 
 
 

220. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

221. How is moss different from fern?

 
 
 
 

222. Triple antigen injection or vaccine are for:

 
 
 
 

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

 
 
 
 

224. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

226. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

229. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

231. Heterospory and ligulate leaves are a feature of:

 
 
 
 

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

 
 
 
 

233. Mycoplasma is different from bacteria due to:

 
 
 
 

234. 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?

 
 
 
 

235. Spermatophyta are characterized by producing:

 
 
 
 

236. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

238. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

240. Virus and bacteriophage are made-up of:

 
 
 
 

241. The plants of Funaria grow :

 
 
 
 

242. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

245. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

247. The development of sporangium in Selaginella is:

 
 
 
 

248. Fertility of the soil is increased by:

 
 
 
 

249. Endemic plants are characterised by their:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

254. Acetobacter is useful in:

 
 
 
 

255. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

257. Broad spectrum antibiotic is, which:

 
 
 
 

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

 
 
 
 

259. Lichen show :

 
 
 
 

260. Yeast is a source of:

 
 
 
 

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

 
 
 
 

262. . Tapetum develops in:

 
 
 
 

263. Disease resistant plant varieties can be produced by :

 
 
 
 

264. The prothallus of fern represents the plant:

 
 
 
 

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

 
 
 
 

266. Bacteria are considered to be plants because they:

 
 
 
 

267. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

268. Spores of which plants have chloroplast:

 
 
 
 

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

 
 
 
 

270. A gill of Agaricus:

 
 
 
 

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

 
 
 
 

272. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

275. The sexual reproductive organs in Rhizopus are:

 
 
 
 

276. Economic importance of bacteria lies in their being:

 
 
 
 

277. Sporophyte of fern is:

 
 
 
 

278. The term stele was given by:

 
 
 
 

279. Circular DNA is seen in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

282. Yeast grows more rapidly in:

 
 
 
 

283. In binomial system most of the words are:

 
 
 
 

284. Siphonogamy is found in:

 
 
 
 

285. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

288. What are Cyanobacteria?

 
 
 
 

289. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

291. In moss, calyptra is formed from:

 
 
 
 

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

 
 
 
 

293. Chemosynthetic bacteria are:

 
 
 
 

294. Which causes red tide?

 
 
 
 

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

 
 
 
 

296. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

298. Bacteria growing on synthetic medium are called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

304. Which bacteria convert nitrate into nitrogen?

 
 
 
 

305. Etiology includes the study of :

 
 
 
 

306. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

307. Early blight of potato is caused by:

 
 
 
 

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

 
 
 
 

309. The leafy fern plant represents the:

 
 
 
 

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

 
 
 
 

311. Mycoplasma are:

 
 
 
 

312. The zoospores of Ulothrix are :

 
 
 
 

313. Fern plants are:

 
 
 
 

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

 
 
 
 

315. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

320. The seedless plants which possess vascular tissues are:

 
 
 
 

321. Redness of red sea is due to :

 
 
 
 

322. The fungi are mostly:

 
 
 
 

323. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

325. 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?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

328. The teeth of peristome of Funaria are :

 
 
 
 

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

 
 
 
 

330. Which group of algae have an incipient nucleus?

 
 
 
 

331. The Rhizopus is:

 
 
 
 

332. Who discovered streptomycin?

 
 
 
 

333. Which class of Protozoa includes all parasitic forms?

 
 
 
 

334. 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:

 
 
 
 

335. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

336. LSD is:

 
 
 
 

337. Among the algae kelps are :

 
 
 
 

338. Some biologists have used the term Mycetozoa for:

 
 
 
 

339. Methanogens belong to:

 
 
 
 

340. Cyanophage is a virus that attacks:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

344. Majority of lichens are :

 
 
 
 

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

 
 
 
 

346. Ergot is obtained from :

 
 
 
 

347.

 

348. Which of the following is true for viruses?

 
 
 
 

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

 
 
 
 

350. Leaf spot of groundnut is caused by :

 
 
 
 

351. Vascular cryptogams is the term used for:

 
 
 
 

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

 
 
 
 

353. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

355. Late blight of potato is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

358. Usually, bacteria reproduce by:

 
 
 
 

359. Absorptive nutrition is:

 
 
 
 

360. Which is not found in bacteria?

 
 
 
 

361. Red rot of sugarcane is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

367. Sporophyte of Funaria is :

 
 
 
 

368. Lichens are the indicator of pollution :

 
 
 
 

369. Saccharomyces is well known for:

 
 
 
 

370. The sori in Dryopteris are found on:

 
 
 
 

371. The upper region of moss capsule is :

 
 
 
 

372. Which is a tautonym?

 
 
 
 

373. Zoogametes are not found in:

 
 
 
 

374. Heterosporous pteridophytes always form:

 
 
 
 

375. Sexual reproduction in Rhizopus is by:

 
 
 
 

376. Virion refers to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

379. Fruits are not found in :

 
 
 
 

380. Most of the lichens are composed of :

 
 
 
 

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

 
 
 
 

382. Saccharomyces ludwigii ascus produces:

 
 
 
 

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

 
 
 
 

384. Gametophyte is the main plant body in :

 
 
 
 

385. Cleavage polyembryony is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

388. Kuru, a human disease is caused by:

 
 
 
 

389. Green plants are classified as :

 
 
 
 

390. Rhizopus and yeast are usually:

 
 
 
 

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

 
 
 
 

392. The spermatozoids of Cycas are :

 
 
 
 

393. Oswald Tippo’s classification was based on :

 
 
 
 

394. The chloroplast of Chlamydomonas are:

 
 
 
 

395. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

397. Select the wrong statement:

 
 
 
 

398. Which of the following statements is not correct?

 
 
 
 

399. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

400. Some bacteria cannot be killed easily because of:

 
 
 
 

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

 
 
 
 

402. Which organisms are the oldest life forms?

 
 
 
 

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

 
 
 
 

404. Mycoplasma are sensitive to:

 
 
 
 

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

 
 
 
 

406. Which of the following is a heterosporous pteridophyte?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

413. Mucilaginous canals in Cycas are found in :

 
 
 
 

414. In Funaria, calyptra is derived from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

419. E coli is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

423. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

425. Detailed study of bacteriophage was made by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

428. Reserve food in Euglena is:

 
 
 
 

429. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

431. Sometimes the bacterial cell is enclosed in:

 
 
 
 

432. Select the wrong statement:

 
 
 
 

433. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

439. The smallest unit of classification is:

 
 
 
 

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

 
 
 
 

441.

442. Which of the following statement is correct?

 
 
 
 

443. Halophiles are the bacteria that require for growth:

 
 
 
 

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

 
 
 
 

445. John Hutchinson divided dicots into two divisions:

 
 
 
 

446. Total parasites belong to:

 
 
 
 

447. Which is the correct statement about Selaginella?

 
 
 
 

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

 
 
 
 

449. The gametophyte of fern bears:

 
 
 
 

450. Protists which are diploid reproduce sexually by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

456. Sexual reproduction of lichen is due to :

 
 
 
 

457. 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:

 
 
 
 

458. The photosynthetic protists are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

461. The disease apple scab is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

464. First animal pathogenic virus was discovered by:

 
 
 
 

465. All protozoans possess:

 
 
 
 

466. Reproduction in Cycas takes place by :

 
 
 
 

467. The megaspore of Selaginella on germination produces:

 
 
 
 

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

 
 
 
 

469. Downy mildew disease is caused by :

 
 
 
 

470. Which part of Riccia bears nurse cells?

 
 
 
 

471. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

472. The chromosomal number in:

 
 
 
 

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

 
 
 
 

474. Male gametes in Dryopteris are:

 
 
 
 

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

 
 
 
 

476. The sporophyte of Riccia is :

 
 
 
 

477. Bacteriophages have been used as:

 
 
 
 

478. Penicillin is obtained from:

 
 
 
 

479. The lichens growing on rocks are called :

 
 
 
 

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

 
 
 
 

481. What is streptomycin?

 
 
 
 

482. True sexuality is not found in:

 
 
 
 

483. Photosynthetic bacteria have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

486. The two conjugating gametangia of Rhizopus are:

 
 
 
 

487. Which of the following are absent in Mycoplasma?

 
 
 
 

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

 
 
 
 

489. Meristele of fern is:

 
 
 
 

490. Male gametophyte of Selaginella is found:

 
 
 
 

491. 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:

 
 
 
 

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

 
 
 
 

493. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

495. Genetic material of TMV is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

498. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

500. Cycas is:

 
 
 
 

501. Bentham and Hooker placed gymnosperms:

 
 
 
 

502. Lichens reproduce by :

 
 
 
 

503. Which lichen is called Reindeer moss?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

506. The mode of nutrition of bacteria is usually:

 
 
 
 

507. The spur of Pinus roxburghii has :

 
 
 
 

508. Smallpox is caused by:

 
 
 
 

509. To which class Riccia belongs :

 
 
 
 

510. Which is the nuclear material in bacteria?

 
 
 
 

511. Photosynthetic protists belong to:

 
 
 
 

512. Photoautotrophic bacteria have:

 
 
 
 

513. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

516. Germ theory of disease was proposed by:

 
 
 
 

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

 
 
 
 

518. Lichens are pioneers of vegetation in a :

 
 
 
 

519. Transfusion tissue is present in the leaflet of:

 
 
 
 

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

 
 
 
 

521. Azolla and Salvinia both are:

 
 
 
 

522. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

525. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

527. All archaebacteria lack:

 
 
 
 

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

 
 
 
 

529. Penicillin was discovered by:

 
 
 
 

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

 
 
 
 

531. Metulae are found in:

 
 
 
 

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

 
 
 
 

533. Centric discoid form of diatom is:

 
 
 
 

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

 
 
 
 

535. Cyathia is characterized by:

 
 
 
 

536. Who among the following discovered virus?

 
 
 
 

537. Rhizopus belongs to:

 
 
 
 

538. Pneumonia is caused by:

 
 
 
 

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

 
 
 
 

540. Cell walls of Gram-positive bacteria contain:

 
 
 
 

541. What is mycorrhiza?

 
 
 
 

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

 
 
 
 

543. The roots of Cycas are :

 
 
 
 

544. Most common type of conjugation in Spirogyra is :

 
 
 
 

545. Interferon is a:

 
 
 
 

546. Viruses are commonly transmitted in plants through:

 
 
 
 

547. The truncated cone of HIV consists of:

 
 
 
 

548. Cap cells are found in the filament of:

 
 
 
 

549. The sporangiophores in Rhizopus are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

553. Psilotum is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

556. Amoeba is a member of the phylum:

 
 
 
 

557. Which is a fungicide?

 
 
 
 

558. What is a vector?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

561. Roots are absent in :

 
 
 
 

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

 
 
 
 

563. In Cycas which structure is equivalent to stamen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

566. Which is an edible fungus?

 
 
 
 

567. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

570. One of the distinctive feature of Spirogyra is :

 
 
 
 

571. 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:

 
 
 
 

572. Number of capsomeres forming capsid of TMV is:

 
 
 
 

573. The rhizoids of Funaria are :

 
 
 
 

574. All algae have:

 
 
 
 

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

 
 
 
 

576. Which among the following is a shrub?

 
 
 
 

577. Discovery of penicillin was based on:

 
 
 
 

578. Late blight of potato is caused by :

 
 
 
 

579. Agar-agar is obtained from:

 
 
 
 

580. What is absent in Deuteromycetes?

 
 
 
 

581. The sporophyte of Riccia is represented by :

 
 
 
 

582. Cryptogams include :

 
 
 
 

583. Citrus canker is caused by:

 
 
 
 

584. Water bloom is generally caused by :

 
 
 
 

585. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

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

 
 
 
 

587. Pseudomycelium is found in:

 
 
 
 

588. Which have the largest antherozoid?

 
 
 
 

589. Pasteur is famous for his:

 
 
 
 

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

 
 
 
 

591. Each chloroplast in Spirogyra bears :

 
 
 
 

592. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

594. Anoxygenic photosynthesis occurs in:

 
 
 
 

595. Who discovered cyanophages?

 
 
 
 

596. The chief characteristic of class Ascomycetes is:

 
 
 
 

597. Rhizoids of Riccia are :

 
 
 
 

598. Fern prothallus produces:

 
 
 
 

599. In Gymnocarpeae the fruiting body is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

602. Plasmids are:

 
 
 
 

603. The antibiotic is obtained from:

 
 
 
 

604. Black rust of wheat is caused by:

 
 
 
 

605. The ferns are usually found:

 
 
 
 

606.

607. Simple polyembryony is found in :

 
 
 
 

608. Funaria is :

 
 
 
 

609. Saccharomyces is used in:

 
 
 
 

610. Who discovered heterothallism in fungi?

 
 
 
 

611. Which of the following is true for Selaginella?

 
 
 
 

612. The stele of Dryopteris is a:

 
 
 
 

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

 
 
 
 

614. Helotism word is used for the symbiosis between :

 
 
 
 

615. Coenogamete is found in:

 
 
 
 

616. Indusium in Dryopteris is:

 
 
 
 

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

 
 
 
 

618. The first to isolate a plant virus was:

 
 
 
 

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

 
 
 
 

620. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

622. Which fixes atmospheric nitrogen?

 
 
 
 

623.

624. The gametophyte of fern is as:

 
 
 
 

625. Winged seeds are found in :

 
 
 
 

626. Standard size of a herbarium sheet is:

 
 
 
 

627. Iodine is obtained from:

 
 
 
 

628. Wine turns sour because of:

 
 
 
 

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

 
 
 
 

630. Vegetative reproduction in Cycas is by means of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

633. Ulothrix produces :

 
 
 
 

634. Pasteurized milk is:

 
 
 
 

635. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

637. Which is an exception to cell theory?

 
 
 
 

638. Lichens are ecologically important because :

 
 
 
 

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

 
 
 
 

640. The fungi used as food are:

 
 
 
 

641. Little leaf disease of Brinjal is caused by:

 
 
 
 

642. Gram stain is used to:

 
 
 
 

643. The sporangium of fern contains nearly:

 
 
 
 

644. In moss, peristomial teeth are:

 
 
 
 

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

 
 
 
 

646. The archegonia in Selaginella develop on:

 
 
 
 

647. Choose the correct statement about Spirogyra:

 
 
 
 

648. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

651. Embryophyta includes:

 
 
 
 

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

 
 
 
 

653. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

659. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

660. Seeds are characteristically found in:

 
 
 
 

661. Which of the following have a prokaryotic cell?

 
 
 
 

662. Heterospory is the production of:

 
 
 
 

663. Enzymes are absent in:

 
 
 
 

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

 
 
 
 

665. Most primitive group of vascular plants are:

 
 
 
 

666. Cycas is different from mango in :

 
 
 
 

667. Who named prion?

 
 
 
 

668. Black rust of wheat is caused by:

 
 
 
 

669. Viruses are considered to be:

 
 
 
 

670. Which is a redwood tree?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

673. The source of litmus is :

 
 
 
 

674. The most primitive vascular plants is:

 
 
 
 

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

 
 
 
 

676. Generic name of mango is:

 
 
 
 

677. Which of the following shows heterotrichous habit?

 
 
 
 

678. Leprosy is caused by:

 
 
 
 

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

 
 
 
 

680. Bryophyta have a special character from other plants:

 
 
 
 

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

 
 
 
 

682. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

685. Cycas revoluta is widely grown as :

 
 
 
 

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

 
 
 
 

687. Cocci types of bacteria are:

 
 
 
 

688. Desired type of Cycas can be grown by:

 
 
 
 

689. Azolla growing in paddy fields helps in:

 
 
 
 

690. Which of the following have algal zone?

 
 
 
 

691. Chemosynthetic bacteria are:

 
 
 
 

692. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

695. The male gametes of Pinus are :

 
 
 
 

696. The archegonia of Selaginella are differentiated by:

 
 
 
 

697. Nitrifying bacteria play an important role by converting:

 
 
 
 

698. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

700. In Cycas the fertilization is:

 
 
 
 

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

 
 
 
 

702. To which country Antony van Leeuwenhoek belong?

 
 
 
 

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

 
 
 
 

704. In tracheophyta:

 
 
 
 

705. Rhizophore of Selaginella is:

 
 
 
 

706. Pollination in Cycas takes place by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

709. Bacteria are placed under:

 
 
 
 

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

 
 
 
 

711. Water-net is the name of:

 
 
 
 

712. In moss, stomata are found:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

716. The most important property of yeast is:

 
 
 
 

717. The mycelium of Rhizopus is:

 
 
 
 

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

 
 
 
 

719. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

721. Bivalved siliceous shell or frustule occur in:

 
 
 
 

722. Green plants are classified as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

725. Antibiotics cure the disease by:

 
 
 
 

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

 
 
 
 

727. The tallest moss in the world is :

 
 
 
 

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

 
 
 
 

729. Longest known virus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

732. Viroids have:

 
 
 
 

733. Chief constituents of bordeaux mixture are :

 
 
 
 

734. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

740. Polystelic condition is found in:

 
 
 
 

741. Water-borne bacterial diseases are:

 
 
 
 

742. The nucleus of bacteria is:

 
 
 
 

743. Aflatoxin is produced by:

 
 
 
 

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

 
 
 
 

745. Multicellular and jacketed sex organs are found in :

 
 
 
 

746. Pollination drop is:

 
 
 
 

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

 
 
 
 

748. Which condition is found in Cycas?

 
 
 
 

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

 
 
 
 

750. The alga, Spirogyra are found in :

 
 
 
 

751. The zygospore in Rhizopus on germination forms:

 
 
 
 

752. Lichens are indicators of :

 
 
 
 

753. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

757. The order generally ends with:

 
 
 
 

758. In Pteris, the archegonia are present:

 
 
 
 

759. In angiosperms double fertilization represents:

 
 
 
 

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

 
 
 
 

761. NBG of Lucknow is now named as:

 
 
 
 

762. Pasteurization of milk involves heating for:

 
 
 
 

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

 
 
 
 

764. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

765. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

767. The largest known bacterium is:

 
 
 
 

768. The sporangia of Selaginella are attached:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

771. The group algae possesses representatives belonging to kingdom:

 
 
 
 

772. Linnaeus is credited with introducing:

 
 
 
 

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

 
 
 
 

774. Select the correct statement: (NEET 2016)

 
 
 
 

775. 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?

 
 
 
 

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

 
 
 
 

777. Sleeping sickness disease in man is caused by:

 
 
 
 

778. In dinoflagellates, the two flagella are:

 
 
 
 

779. Typhoid in man is caused by:

 
 
 
 

780. Most resistant spore in bacteria is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

785. Fairy ring is the name given to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

792. The phloem of vascular system of Cycas is :

 
 
 
 

793. Where does meiosis occur in yeast?

 
 
 
 

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

 
 
 
 

795. Fern phloem lacks:

 
 
 
 

796. Which of the following is sago palm?

 
 
 
 

797. Nannandria are:

 
 
 
 

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

 
 
 
 

799. Special feature of pollen grains of Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

803. Spirogyra differs from moss protonema in having :

 
 
 
 

804. Most primitive embryophytes are placed in:

 
 
 
 

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

 
 
 
 

806. In Cycas microsporangia are borne on:

 
 
 
 

807. In moss, reduction division occurs in :

 
 
 
 

808. Viruses have:

 
 
 
 

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

 
 
 
 

810. In Selaginella, the microsporangia are:

 
 
 
 

811. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

813. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

820. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

823. Which one of the following statement is wrong?

 
 
 
 

824. In Gymnosperms endosperm is a:

 
 
 
 

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

 
 
 
 

826. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

828. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

830. Protistan algae obtain their food as:

 
 
 
 

831. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

833. Reproduction in Rhizopus is:

 
 
 
 

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

 
 
 
 

835. Placenta in fern is:

 
 
 
 

836. Vascular cryptogam is the term used for :

 
 
 
 

837. Selaginella differs from Moss in having:

 
 
 
 

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

 
 
 
 

839. Cellular slime mold is:

 
 
 
 

840. Liverworts are included in :

 
 
 
 

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

 
 
 
 

842. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

844. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

847. Funaria is :

 
 
 
 

848. The microsporophylls on the cone of Cycas are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

854. Enteric bacteria are those bacteria that live:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

859. Black rust of wheat is caused by:

 
 
 
 

860. Lichens form the first community in

 
 
 
 

861. Clostridium can:

 
 
 
 

862. The leaf of Cycas shows:

 
 
 
 

863. The antherozoids of Funaria are :

 
 
 
 

864. In Cycas: