Quiz_Random

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

 
 
 
 

2. Broad spectrum antibiotic is, which:

 
 
 
 

3. Select the wrong statement:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Ectocarpus produces:

 
 
 
 

9. In Funaria, calyptra is derived from :

 
 
 
 

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

 
 
 
 

11. Bacteria were first discovered by:

 
 
 
 

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

 
 
 
 

13. Most primitive group of vascular plants are:

 
 
 
 

14. Early blight of potato is caused by:

 
 
 
 

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

 
 
 
 

16. In angiosperms double fertilization represents:

 
 
 
 

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

 
 
 
 

18. Funaria is a Bryophyta because :

 
 
 
 

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

 
 
 
 

20. Which is a fungicide?

 
 
 
 

21. Embryophyta includes:

 
 
 
 

22. Which part of Riccia bears nurse cells?

 
 
 
 

23. Ethylene oxide is widely used to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. The chief characteristic of class Ascomycetes is:

 
 
 
 

28. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

29. What are plasmids?

 
 
 
 

30. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

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

 
 
 
 

32. Which one of the following is a monocot?

 
 
 
 

33. Male gametophyte of Selaginella is found:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Small epidermal swellings due to infection are called :

 
 
 
 

38. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Bivalved siliceous shell or frustule occur in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Which of the following statement is correct?

 
 
 
 

45. Sporophyte of fern is:

 
 
 
 

46. Most resistant spore in bacteria is:

 
 
 
 

47. Polystelic condition is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Quarantine regulations are concerned with:

 
 
 
 

55. Which is the nuclear material in bacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Which have the largest antherozoid?

 
 
 
 

60. Agar-agar is obtained from:

 
 
 
 

61. In Gymnosperms endosperm is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Water-net is the name of:

 
 
 
 

65. What is special feature of fern archegonia?

 
 
 
 

66. 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:

 
 
 
 

67. The disease symptom necrosis refers to :

 
 
 
 

68. Pseudomycelium is found in:

 
 
 
 

69. Ergot of rye is caused by:

 
 
 
 

70. First animal pathogenic virus was discovered by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Diploxylic vascular bundles are found in:

 
 
 
 

74. Who discovered streptomycin?

 
 
 
 

75. The ascus of yeast contains:

 
 
 
 

76. In moss, conducting tissue is made up of

 
 
 
 

77. Bacteria differ from viruses in being sensitive to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Some diseases caused by bacteria are:

 
 
 
 

81. In Pteris, the roots are:

 
 
 
 

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

 
 
 
 

83. Which of the following are absent in Mycoplasma?

 
 
 
 

84. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

87. Among the algae kelps are :

 
 
 
 

88. The mycelium of Rhizopus is:

 
 
 
 

89. Mycoplasma contains:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

92. Cellular slime mold is:

 
 
 
 

93. Penicillin was discovered by:

 
 
 
 

94. Nitrifying bacteria play an important role by converting:

 
 
 
 

95. Winged seeds are found in :

 
 
 
 

96. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

98. Lichens are the indicator of pollution :

 
 
 
 

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

 
 
 
 

100. Seeds are characteristically found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

105. Mycoplasmas are not viruses in nature because:

 
 
 
 

106. Transfusion tissue is present in the leaflet of:

 
 
 
 

107. The smallest unit of classification is:

 
 
 
 

108. In moss, sporophyte is formed on:

 
 
 
 

109. The sporangia of Selaginella are attached:

 
 
 
 

110. The prothallus of fern represents the plant:

 
 
 
 

111. Etiology includes the study of :

 
 
 
 

112. Cryptogams include :

 
 
 
 

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

 
 
 
 

114. Longest known virus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

117. Amoeba is a member of the phylum:

 
 
 
 

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

 
 
 
 

119. The rhizoids of Funaria are :

 
 
 
 

120. 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?

 
 
 
 

121. How a fern differs from a moss?

 
 
 
 

122. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

124. Bacteria are placed under:

 
 
 
 

125. In tracheophyta:

 
 
 
 

126. Funaria are commonly found :

 
 
 
 

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

 
 
 
 

128. Fruits are not found in:

 
 
 
 

129. Most common type of conjugation in Spirogyra is :

 
 
 
 

130. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

132. Late blight of potato is caused by:

 
 
 
 

133. Penicillin is obtained from:

 
 
 
 

134. The flagella of Chlamydomonas are:

 
 
 
 

135. The sori in Dryopteris are found on:

 
 
 
 

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

 
 
 
 

137. Cycas is:

 
 
 
 

138. An Hfr bacterium is one that contains:

 
 
 
 

139. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

142. Sexual reproduction of lichen is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

145. Mycoplasma is different from bacteria due to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

149. Lichen show :

 
 
 
 

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

 
 
 
 

151. Climbers are found in genus:

 
 
 
 

152. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

154. Botulism is a:

 
 
 
 

155. Embryophyta includes :

 
 
 
 

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

 
 
 
 

157. The group algae possesses representatives belonging to kingdom:

 
 
 
 

158. Rhizopus belongs to:

 
 
 
 

159. Which fixes atmospheric nitrogen?

 
 
 
 

160. Metulae are found in:

 
 
 
 

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

 
 
 
 

162. Virion refers to:

 
 
 
 

163. Who named prion?

 
 
 
 

164. Heterocysts are found in :

 
 
 
 

165. The roots of Cycas are :

 
 
 
 

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

 
 
 
 

167. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

169. Asexual reproductive body of Volvox is called:

 
 
 
 

170. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

172. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

176. Spirogyra differs from moss protonema in having :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

180. Bacteria are considered to be plants because they:

 
 
 
 

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

 
 
 
 

182. The coralloid roots are :

 
 
 
 

183. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

186. Wine turns sour because of:

 
 
 
 

187. Which of the following is a monocot?

 
 
 
 

188. Yeast grows more rapidly in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

192. All algae have:

 
 
 
 

193. Desired type of Cycas can be grown by:

 
 
 
 

194. The megasporangium of Selaginella is:

 
 
 
 

195. Cycas is different from mango in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

198. Total parasites belong to:

 
 
 
 

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

 
 
 
 

200. Which is the correct statement about Selaginella?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

204. Kuru, a human disease is caused by:

 
 
 
 

205. Rhizoids of Riccia are :

 
 
 
 

206. Mycoplasma are:

 
 
 
 

207. Streptomycin is obtained from:

 
 
 
 

208. Genetic material of TMV is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

212. Photosynthetic bacteria have:

 
 
 
 

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

 
 
 
 

214. Typhoid in man is caused by:

 
 
 
 

215. Chemosynthetic bacteria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

218. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

221. Germination of the seed of Pinus is :

 
 
 
 

222. The gametophyte of fern bears:

 
 
 
 

223. Zoogametes are not found in:

 
 
 
 

224. Ovules are not found enclosed in ovary in :

 
 
 
 

225. Reproduction in Rhizopus is:

 
 
 
 

226. 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:

 
 
 
 

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

 
 
 
 

228. The chief characteristic of bryophyta is that :

 
 
 
 

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

 
 
 
 

230. Protozoans are considered animals because these are:

 
 
 
 

231. In dinoflagellates, the two flagella are:

 
 
 
 

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

 
 
 
 

233. Chemosynthetic bacteria are:

 
 
 
 

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

 
 
 
 

235. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

236. Which of the following is true for Selaginella?

 
 
 
 

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

 
 
 
 

238. Green plants are classified as :

 
 
 
 

239. Pasteurization of milk involves heating for:

 
 
 
 

240. The leafy fern plant represents the:

 
 
 
 

241. The male gametes of Pinus are :

 
 
 
 

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

 
 
 
 

243. Special feature of pollen grains of Pinus is :

 
 
 
 

244. Pollination in Cycas takes place by :

 
 
 
 

245. In moss, sporogenous tissue arises from:

 
 
 
 

246. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

249. The chloroplast of Chlamydomonas are:

 
 
 
 

250. Viruses have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

254. Some biologists have used the term Mycetozoa for:

 
 
 
 

255. The zygospore in Rhizopus on germination forms:

 
 
 
 

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

 
 
 
 

257. The microsporophylls on the cone of Cycas are :

 
 
 
 

258. Where does meiosis occur in yeast?

 
 
 
 

259. Smallpox is caused by:

 
 
 
 

260. Which is an exception to cell theory?

 
 
 
 

261. What is absent in Deuteromycetes?

 
 
 
 

262. Which of the following have a prokaryotic cell?

 
 
 
 

263. Ovary is absent in :

 
 
 
 

264. Redness of red sea is due to :

 
 
 
 

265. A microbiologist found that some bacteria infected by phages had developed the ability to make a particular amino acid that they could not make before. This ability was probably a result of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

269. Citrus canker is caused by :

 
 
 
 

270. Who discovered heterothallism in fungi?

 
 
 
 

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

 
 
 
 

272. Interferon is a:

 
 
 
 

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

 
 
 
 

274. Some bacteria cannot be killed easily because of:

 
 
 
 

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

 
 
 
 

276. Siphonogamy is found in:

 
 
 
 

277. Viruses are considered to be:

 
 
 
 

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

 
 
 
 

279. Soil fertility is lost by the activities of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

282. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

284. The smallest bacterium is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

292. Azolla growing in paddy fields helps in:

 
 
 
 

293. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

296. In Selaginella, the microsporangia are:

 
 
 
 

297. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

300. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

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

 
 
 
 

302. Chief constituents of bordeaux mixture are :

 
 
 
 

303. Little leaf disease of Brinjal is caused by:

 
 
 
 

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

 
 
 
 

305. Vascular cryptogams is the term used for:

 
 
 
 

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

 
 
 
 

307. The middle sterile part of capsule is called:

 
 
 
 

308. In moss, reduction division occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

314. Water bloom is generally caused by :

 
 
 
 

315. Bacteria growing on synthetic medium are called:

 
 
 
 

316. The tree fern is:

 
 
 
 

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

 
 
 
 

318. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

322. Majority of lichens are :

 
 
 
 

323. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

325. Parmelia belongs to :

 
 
 
 

326. 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:

 
 
 
 

327. Methanogens belong to:

 
 
 
 

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

 
 
 
 

329. The most primitive vascular plants is:

 
 
 
 

330. Fairy ring is the name given to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

333.

 

334. The truncated cone of HIV consists of:

 
 
 
 

335. Number of capsomeres forming capsid of TMV is:

 
 
 
 

336. Aflatoxin is produced by:

 
 
 
 

337. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

339. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

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

 
 
 
 

341. Fruits are not found in Cycas because:

 
 
 
 

342. Reserve food in Euglena is:

 
 
 
 

343. The megaspore of Selaginella on germination produces:

 
 
 
 

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

 
 
 
 

345. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

346. What is mycorrhiza?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

349. Protistan algae obtain their food as:

 
 
 
 

350. Leprosy is caused by:

 
 
 
 

351. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

355. Plasmids are:

 
 
 
 

356. Most primitive embryophytes are placed in :

 
 
 
 

357. The alga, Spirogyra are found in :

 
 
 
 

358. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

361. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

364. The sporangium of fern contains nearly:

 
 
 
 

365. Which is absent from the xylem of Cycas?

 
 
 
 

366. Milk is converted to curd by:

 
 
 
 

367. The mode of nutrition of bacteria is usually:

 
 
 
 

368. The lichens growing on rocks are called :

 
 
 
 

369. What is a vector?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

374. Aflatoxin is produced as a product in :

 
 
 
 

375. In Cycas microsporangia are borne on:

 
 
 
 

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

 
 
 
 

377. Pteridophyta are also called:

 
 
 
 

378. Roots are absent in :

 
 
 
 

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

 
 
 
 

380. The source of litmus is :

 
 
 
 

381. Which causes red tide?

 
 
 
 

382. In Pteris, the archegonia are present:

 
 
 
 

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

 
 
 
 

384. Leaf spot of groundnut is caused by :

 
 
 
 

385. Funaria is :

 
 
 
 

386. In Cycas the fertilization is:

 
 
 
 

387. Cleavage polyembryony is found in :

 
 
 
 

388. Bryophyta have a special character from other plants:

 
 
 
 

389. What is streptomycin?

 
 
 
 

390. The ferns are usually found:

 
 
 
 

391. Smut of maize is caused by :

 
 
 
 

392. Pinus gerardiana is :

 
 
 
 

393. Viroids have:

 
 
 
 

394. Pinus is:

 
 
 
 

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

 
 
 
 

396. Cycas revoluta is widely grown as :

 
 
 
 

397. 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?

 
 
 
 

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

 
 
 
 

399. Enteric bacteria are those bacteria that live:

 
 
 
 

400. The upper region of moss capsule is :

 
 
 
 

401. Bacteria are found everywhere, except:

 
 
 
 

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

 
 
 
 

403. All protozoans possess:

 
 
 
 

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

 
 
 
 

405. Spores of which plants have chloroplast:

 
 
 
 

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

 
 
 
 

407. Botulinum toxin effects:

 
 
 
 

408. In moss, peristomial teeth are:

 
 
 
 

409. Pollination in Pinus is :

 
 
 
 

410. Ulothrix produces :

 
 
 
 

411. Fern prothallus produces:

 
 
 
 

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

 
 
 
 

413. 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?

 
 
 
 

414. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

417. Streptomyces falls under:

 
 
 
 

418. Bacteriophage consists of:

 
 
 
 

419. The archegonia of Selaginella are differentiated by:

 
 
 
 

420. 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:

 
 
 
 

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

 
 
 
 

422. Helotism word is used for the symbiosis between :

 
 
 
 

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

 
 
 
 

424. The phloem of vascular system of Cycas is :

 
 
 
 

425. Nitrogen-fixing bacteria may be located:

 
 
 
 

426. Fern plants are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

430. The antherozoids of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

433. Enzymes are absent in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

436. Vegetative reproduction in Cycas is by means of :

 
 
 
 

437. The disease apple scab is caused by:

 
 
 
 

438. Ovules are not found enclosed in ovary in :

 
 
 
 

439. The largest known bacterium is:

 
 
 
 

440. . Tapetum develops in:

 
 
 
 

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

 
 
 
 

442. Mycoplasma are sensitive to:

 
 
 
 

443. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

445. Infective part of virus was discovered by:

 
 
 
 

446. Iodine is obtained from :

 
 
 
 

447. The gametophyte of moss has distinct phases :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

451. Centric discoid form of diatom is:

 
 
 
 

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

 
 
 
 

453. Oswald Tippo’s classification is:

 
 
 
 

454. White rust of crucifers is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

457. Which is an edible fungus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

462. NBG of Lucknow is now named as:

 
 
 
 

463. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

471. Which of the following shows heterotrichous habit?

 
 
 
 

472. Male gametes in Dryopteris are:

 
 
 
 

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

 
 
 
 

474. Viruses are commonly transmitted in plants through:

 
 
 
 

475. Circular DNA is seen in:

 
 
 
 

476. The similarity between cyanobacteria and bacteria:

 
 
 
 

477. The fungi used as food are:

 
 
 
 

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

 
 
 
 

479. Black rust of wheat is caused by:

 
 
 
 

480. Antibiotics cure the disease by:

 
 
 
 

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

 
 
 
 

482. The most important property of yeast is:

 
 
 
 

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

 
 
 
 

484. Yeast is a source of:

 
 
 
 

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

 
 
 
 

486. Cell walls of Gram-positive bacteria contain:

 
 
 
 

487. Heterosporous pteridophytes always form:

 
 
 
 

488. Triple antigen injection or vaccine are for:

 
 
 
 

489. Pneumonia is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

492. The largest alga is:

 
 
 
 

493. Ergot is obtained from :

 
 
 
 

494. Azolla and Salvinia both are:

 
 
 
 

495. Discovery of penicillin was based on:

 
 
 
 

496. Virus and bacteriophage are made-up of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

499. Cycas is similar to a mustard plant :

 
 
 
 

500. Which is a tautonym?

 
 
 
 

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

 
 
 
 

502. Winged pollen grains are found in :

 
 
 
 

503. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

505. 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?

 
 
 
 

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

 
 
 
 

507. The order generally ends with:

 
 
 
 

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

 
 
 
 

509. Select the wrong statement:

 
 
 
 

510. Heterospory is the production of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

513. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

515. Most appropriate word for protozoans is:

 
 
 
 

516. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

517. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

519. Club moss is the common name of :

 
 
 
 

520. The fungi are mostly:

 
 
 
 

521. Heterospory and ligulate leaves are a feature of:

 
 
 
 

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

 
 
 
 

523. One of the distinctive feature of Spirogyra is :

 
 
 
 

524. Funaria can be differentiated from Cycas :

 
 
 
 

525. Select the correct statement: (NEET 2016)

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

529. Spermatophyta are characterized by producing:

 
 
 
 

530. Which of the following lichens is harmful?

 
 
 
 

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

 
 
 
 

532. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

533. In Funaria :

 
 
 
 

534. The leaf of Cycas shows:

 
 
 
 

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

 
 
 
 

536. Black rust of wheat is caused by:

 
 
 
 

537. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

539. The chloroplast in Ulothrix is :

 
 
 
 

540. Sexual reproduction in Rhizopus is by:

 
 
 
 

541. Woody climbers are known as :

 
 
 
 

542. Fertility of the soil is increased by:

 
 
 
 

543. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

546. Green plants are classified as:

 
 
 
 

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

 
 
 
 

548. Fruits are not found in :

 
 
 
 

549. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

550. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

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

 
 
 
 

552. Which class of Protozoa includes all parasitic forms?

 
 
 
 

553. Water-borne bacterial diseases are:

 
 
 
 

554. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

556. TMV was isolated in crystalline form by:

 
 
 
 

557. Antibiotic has been extracted from :

 
 
 
 

558. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

561. Fern prothallus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

566. Absorptive nutrition is:

 
 
 
 

567. In binomial system most of the words are:

 
 
 
 

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

 
 
 
 

569. In Gymnocarpeae the fruiting body is :

 
 
 
 

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

 
 
 
 

571. Which lichen is called Reindeer moss?

 
 
 
 

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

 
 
 
 

573. Protists which are diploid reproduce sexually by:

 
 
 
 

574. What is the role of nitrifying bacteria?

 
 
 
 

575. Facultative parasite is:

 
 
 
 

576. The young leaves of Cycas have :

 
 
 
 

577. 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:

 
 
 
 

578. Mucilaginous canals in Cycas are found in :

 
 
 
 

579. The orders generally have the uniform endings:

 
 
 
 

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

 
 
 
 

581. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

582. Which is a redwood tree?

 
 
 
 

583. Which of the following is a heterosporous pteridophyte?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

588. Which of the following is a parasitic algae?

 
 
 
 

589. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

594. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

597. Ovules are not found enclosed in ovary of:

 
 
 
 

598. In Cycas which structure is equivalent to stamen?

 
 
 
 

599. The development of sporangium in Selaginella is:

 
 
 
 

600. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

602. All archaebacteria lack:

 
 
 
 

603. The fungi are usually:

 
 
 
 

604. Most of the algae are :

 
 
 
 

605. The chromosomal number in:

 
 
 
 

606. The tallest moss in the world is :

 
 
 
 

607. The genetic material of poxvirus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

610. Coenogamete is found in:

 
 
 
 

611. Vascular cryptogam is the term used for :

 
 
 
 

612. Saccharomyces is used in:

 
 
 
 

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

 
 
 
 

614. Most primitive embryophytes are placed in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

618. Common phycobiont in a lichen is :

 
 
 
 

619. Lichens are pioneers of vegetation in a :

 
 
 
 

620. In Herpes virus DNA is:

 
 
 
 

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

 
 
 
 

622. Photosynthetic protists belong to:

 
 
 
 

623. Standard size of a herbarium sheet is:

 
 
 
 

624. Economic importance of bacteria lies in their being:

 
 
 
 

625. Generic name of mango is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

628. In Cycas:

 
 
 
 

629. E coli is a:

 
 
 
 

630. Anoxygenic photosynthesis occurs in:

 
 
 
 

631. The Rhizopus is:

 
 
 
 

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

 
 
 
 

633. Cycas is :

 
 
 
 

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

 
 
 
 

635. Gram stain is used to:

 
 
 
 

636. Lichens are ecologically important because :

 
 
 
 

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

 
 
 
 

638. Which statement is wrong in regard to bacteria?

 
 
 
 

639. Facultative saprophyte is:

 
 
 
 

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

 
 
 
 

641. Detailed study of bacteriophage was made by:

 
 
 
 

642. Fern phloem lacks:

 
 
 
 

643. Which of the following is true for viruses?

 
 
 
 

644. Which is not found in bacteria?

 
 
 
 

645. What are Cyanobacteria?

 
 
 
 

646. The first to isolate a plant virus was:

 
 
 
 

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

 
 
 
 

648. Meristele of fern is:

 
 
 
 

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

 
 
 
 

650. The term stele was given by:

 
 
 
 

651. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

653. Embryo formation is not known in :

 
 
 
 

654. Why is Cycas called a living fossil?

 
 
 
 

655. In a bacteriophage, DNA is present in:

 
 
 
 

656. Liverworts are included in :

 
 
 
 

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

 
 
 
 

658. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

660. Reproduction in Cycas takes place by :

 
 
 
 

661. Selaginella differs from Moss in having:

 
 
 
 

662. Psilotum is:

 
 
 
 

663. Which condition is found in Cycas?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

666. Acellular slime mold is/are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

669. The teeth of peristome of Funaria are :

 
 
 
 

670. Saccharomyces is well known for:

 
 
 
 

671. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

673. The two conjugating gametangia of Rhizopus are:

 
 
 
 

674. Which of the following applies to Selaginella?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

677. LSD is:

 
 
 
 

678. Who among the following discovered virus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

682. The antibiotic is obtained from:

 
 
 
 

683. The central part of Funaria axis is :

 
 
 
 

684. Mycoplasma was discovered by:

 
 
 
 

685. Pasteur is famous for his:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

689. The nucleus of bacteria is:

 
 
 
 

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

 
 
 
 

691. Cap cells are found in the filament of:

 
 
 
 

692. Oswald Tippo’s classification was based on :

 
 
 
 

693. The sporophyte of Riccia is :

 
 
 
 

694.

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

 
 
 
 

696. In a diplontic life cycle:

 
 
 
 

697. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

699. Rhizophore of Selaginella is:

 
 
 
 

700. The Rhizopus gametes are formed in:

 
 
 
 

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

 
 
 
 

702. The photosynthetic protists are:

 
 
 
 

703. Cyathia is characterized by:

 
 
 
 

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

 
 
 
 

705. Disease resistant plant varieties can be produced by :

 
 
 
 

706. Lichens show :

 
 
 
 

707. Vascular tissue is found in :

 
 
 
 

708. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

711. The lambda phase is a:

 
 
 
 

712. Endemic plants are characterised by their:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

717. The gametophyte of fern is as:

 
 
 
 

718. Red rot of sugarcane is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

721. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

724. Pasteurized milk is:

 
 
 
 

725. The root nodules of leguminous plants contain:

 
 
 
 

726. Gametophyte is the main plant body in :

 
 
 
 

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

 
 
 
 

728. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

731. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

733. Citrus canker is caused by:

 
 
 
 

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

 
 
 
 

735. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

736. Sporophyte of Funaria is :

 
 
 
 

737. Which of the following are included in Tracheophyta?

 
 
 
 

738. Who discovered cyanophages?

 
 
 
 

739. Simple polyembryony is found in :

 
 
 
 

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

 
 
 
 

741. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

742. Rhizopus and yeast are usually:

 
 
 
 

743. Pollination drop is:

 
 
 
 

744. To which class Riccia belongs :

 
 
 
 

745. Most of the lichens are composed of :

 
 
 
 

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

 
 
 
 

747. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

749. The development of Selaginella embryo is:

 
 
 
 

750. The stele of Dryopteris is a:

 
 
 
 

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

 
 
 
 

752. Lichens reproduce by :

 
 
 
 

753. Acetobacter is useful in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

756. Bacteria which are spherical are called:

 
 
 
 

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

 
 
 
 

758. Lichens form the first community in

 
 
 
 

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

 
 
 
 

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

 
 
 
 

761. Funaria is :

 
 
 
 

762. John Hutchinson divided dicots into two divisions:

 
 
 
 

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

 
 
 
 

764. Which is not true for Escherichia coli?

 
 
 
 

765. The spermatozoids of Cycas are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

769. Which is a gametophytic tissue?

 
 
 
 

770.

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

 
 
 
 

772. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

773. Linnaeus is credited with introducing:

 
 
 
 

774.

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

 
 
 
 

776. A gill of Agaricus:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

781. Which bacteria convert nitrate into nitrogen?

 
 
 
 

782. Lichens are indicators of :

 
 
 
 

783. Most primitive kind of flower is represented by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

792. The archegonia in Selaginella develop on:

 
 
 
 

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

 
 
 
 

794. Rice, pea, potato are :

 
 
 
 

795. Cocci types of bacteria are:

 
 
 
 

796. Ovary is absent in:

 
 
 
 

797. Banana bunchy top is caused by :

 
 
 
 

798. Sometimes the bacterial cell is enclosed in:

 
 
 
 

799. Diphtheria is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

802. In moss, calyptra is formed from:

 
 
 
 

803. Cyanophage is a virus that attacks:

 
 
 
 

804. Fruiting body of lichens is :

 
 
 
 

805. Which organisms are the oldest life forms?

 
 
 
 

806. The fern plant is:

 
 
 
 

807. Tautonyms are illegitimate in:

 
 
 
 

808. The fungi that grow on wood are called:

 
 
 
 

809. Indusium in Dryopteris is:

 
 
 
 

810. Placenta in fern is:

 
 
 
 

811. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

813. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

815. The sexual reproductive organs in Rhizopus are:

 
 
 
 

816. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

817. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

819. The sporophyte of Riccia is represented by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

822. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

824. The DNA of E coli is:

 
 
 
 

825. Maximum diversity of life forms occurs in :

 
 
 
 

826. Germ theory of disease was proposed by:

 
 
 
 

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

 
 
 
 

828. The seedless plants which possess vascular tissues are:

 
 
 
 

829. In moss, stomata are found:

 
 
 
 

830. Mostly type of zygospore in Ulothrix is:

 
 
 
 

831. Saccharomyces ludwigii ascus produces:

 
 
 
 

832. Sleeping sickness disease in man is caused by:

 
 
 
 

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

 
 
 
 

834. Mixed cropping helps :

 
 
 
 

835. Bentham and Hooker placed gymnosperms:

 
 
 
 

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

 
 
 
 

837. Halophiles are the bacteria that require for growth:

 
 
 
 

838. Clostridium can:

 
 
 
 

839. The plants of Funaria grow :

 
 
 
 

840. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

843. Yeast belongs to class:

 
 
 
 

844. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

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

 
 
 
 

846. How is moss different from fern?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

849. Lichens reproduce by :

 
 
 
 

850. The prothallus of fern is:

 
 
 
 

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

 
 
 
 

852. The gametophyte produced by apospory is :

 
 
 
 

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

 
 
 
 

854. The sporangiophores in Rhizopus are:

 
 
 
 

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

 
 
 
 

856. The role of meiosis is for:

 
 
 
 

857. Usually, bacteria reproduce by:

 
 
 
 

858. Bacteriophages have been used as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

862. Photoautotrophic bacteria have:

 
 
 
 

863. To which country Antony van Leeuwenhoek belong?

 
 
 
 

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