Quiz_Random

1. In Funaria, calyptra is derived from :

 
 
 
 

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

 
 
 
 

3. Rice, pea, potato are :

 
 
 
 

4. Smut of maize is caused by :

 
 
 
 

5. Ergot is obtained from :

 
 
 
 

6. Facultative parasite is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Amoeba is a member of the phylum:

 
 
 
 

15. LSD is:

 
 
 
 

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

 
 
 
 

17. To which class Riccia belongs :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

23. Which of the following applies to Selaginella?

 
 
 
 

24. Sometimes the bacterial cell is enclosed in:

 
 
 
 

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

 
 
 
 

26. Antibiotics cure the disease by:

 
 
 
 

27. TMV was isolated in crystalline form by:

 
 
 
 

28. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

30. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

32. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

34. 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:

 
 
 
 

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

 
 
 
 

36. The tallest moss in the world is :

 
 
 
 

37. The development of Selaginella embryo is:

 
 
 
 

38. Methanogens belong to:

 
 
 
 

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

 
 
 
 

40. Penicillin was discovered by:

 
 
 
 

41. Iodine is obtained from:

 
 
 
 

42. Which causes red tide?

 
 
 
 

43. Select the wrong statement:

 
 
 
 

44. Cap cells are found in the filament of:

 
 
 
 

45. Cryptogams include :

 
 
 
 

46. Who discovered heterothallism in fungi?

 
 
 
 

47. The development of sporangium in Selaginella is:

 
 
 
 

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

 
 
 
 

49. Proembryo in Pinus is :

 
 
 
 

50. Pasteurization of milk involves heating for:

 
 
 
 

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

 
 
 
 

52. Some bacteria cannot be killed easily because of:

 
 
 
 

53. Isomorphic type alternation of generation is found in:

 
 
 
 

54. Citrus canker is caused by :

 
 
 
 

55. Etiology includes the study of :

 
 
 
 

56. Late blight of potato is caused by:

 
 
 
 

57. Bacteria are placed under:

 
 
 
 

58. In Selaginella, the microsporangia are:

 
 
 
 

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

 
 
 
 

60. Meristele of fern is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. 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?

 
 
 
 

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

 
 
 
 

66. Sexual reproduction in Rhizopus is by:

 
 
 
 

67. Cyanophage is a virus that attacks:

 
 
 
 

68. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Psychrophilic bacteria are those bacteria that grow best:

 
 
 
 

72. Plasmids are:

 
 
 
 

73. Germ theory of disease was proposed by:

 
 
 
 

74. The truncated cone of HIV consists of:

 
 
 
 

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

 
 
 
 

76. Which condition is found in Cycas?

 
 
 
 

77. Protistan algae obtain their food as:

 
 
 
 

78. Unicellular eukaryotic organisms are placed in the kingdom:

 
 
 
 

79. Which is not found in bacteria?

 
 
 
 

80. Mycoplasma are sensitive to:

 
 
 
 

81. 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:

 
 
 
 

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

 
 
 
 

83. Acellular slime mold is/are:

 
 
 
 

84. Rhizoids of Riccia are :

 
 
 
 

85. The gametophyte produced by apospory is :

 
 
 
 

86. Synzoospore is produced in:

 
 
 
 

87. Metulae are found in:

 
 
 
 

88. Total parasites belong to:

 
 
 
 

89. In a bacteriophage, DNA is present in:

 
 
 
 

90. Saccharomyces ludwigii ascus produces:

 
 
 
 

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

 
 
 
 

92. Little leaf disease of Brinjal is caused by:

 
 
 
 

93. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

95. The middle sterile part of capsule is called:

 
 
 
 

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

 
 
 
 

97. Chemoautotrophic nitrifying bacteria are:

 
 
 
 

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

 
 
 
 

99. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

104. 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?

 
 
 
 

105. Bryophyta have been placed in cryptogams because:

 
 
 
 

106. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

108. The group algae possesses representatives belonging to kingdom:

 
 
 
 

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

 
 
 
 

110. The largest known bacterium is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

116. In moss, stomata are found:

 
 
 
 

117. Male gametes in Dryopteris are:

 
 
 
 

118. Disease resistant plant varieties can be produced by :

 
 
 
 

119. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

121. The megasporangium of Selaginella is:

 
 
 
 

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

 
 
 
 

123. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

125. Pythium debaryanum is the causative agent of:

 
 
 
 

126. What is mycorrhiza?

 
 
 
 

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

 
 
 
 

128. Cycas is :

 
 
 
 

129. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

131. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

133. Embryophyta includes:

 
 
 
 

134. Who named prion?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

138.

 

139. Usually, bacteria reproduce by:

 
 
 
 

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

 
 
 
 

141. Photoautotrophic bacteria have:

 
 
 
 

142. The roots of Cycas are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

146. Rhizophore of Selaginella is:

 
 
 
 

147. Which is not true for Escherichia coli?

 
 
 
 

148. Which organisms are the oldest life forms?

 
 
 
 

149. Botulism is a:

 
 
 
 

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

 
 
 
 

151. Which of the following are absent in Mycoplasma?

 
 
 
 

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

 
 
 
 

153. Streptomyces falls under:

 
 
 
 

154. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

156. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

159. In Cycas:

 
 
 
 

160. Classification system proposed by Linnaeus was artificial because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

163. The role of meiosis is for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

166. The ferns are usually found:

 
 
 
 

167. Agar-agar is obtained from:

 
 
 
 

168. The leaf of Cycas shows:

 
 
 
 

169. The Rhizopus gametes are formed in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

174. Vegetative reproduction in Cycas is by means of :

 
 
 
 

175. How is moss different from fern?

 
 
 
 

176. In Cycas the fertilization is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

179. Early blight of potato is caused by:

 
 
 
 

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

 
 
 
 

181. Pneumonia is caused by:

 
 
 
 

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

 
 
 
 

183. Bacteria differ from viruses in being sensitive to:

 
 
 
 

184. The rhizoids of Funaria are :

 
 
 
 

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

 
 
 
 

186. Spirogyra differs from moss protonema in having :

 
 
 
 

187. Winged seeds are found in :

 
 
 
 

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

 
 
 
 

189. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

191. Which of the following statement is correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

194. 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:

 
 
 
 

195. Embryophyta includes :

 
 
 
 

196. Heterospory and ligulate leaves are a feature of:

 
 
 
 

197. In Gymnosperms endosperm is a:

 
 
 
 

198. Which of the following converts CO₂ into carbohydrates?

 
 
 
 

199. Enteric bacteria are those bacteria that live:

 
 
 
 

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

 
 
 
 

201. Tautonyms are illegitimate in:

 
 
 
 

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

 
 
 
 

203. The chromosomal number in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

207. Virus and bacteriophage are made-up of:

 
 
 
 

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

 
 
 
 

209. Which is an exception to cell theory?

 
 
 
 

210. Ethylene oxide is widely used to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

213. Centric discoid form of diatom is:

 
 
 
 

214. Protozoans are considered animals because these are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

217. The megaspore of Selaginella on germination produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

220. The phloem of vascular system of Cycas is :

 
 
 
 

221. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

225. Selaginella differs from Moss in having:

 
 
 
 

226. Diphtheria is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

229. Fruiting body of lichens is :

 
 
 
 

230. Aflatoxin is produced by:

 
 
 
 

231. Pseudomycelium is found in:

 
 
 
 

232. Which among the following is a shrub?

 
 
 
 

233. Pinus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

236. Ovules are not found enclosed in ovary of:

 
 
 
 

237. Sporophyte of fern is:

 
 
 
 

238. Cocci types of bacteria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

241. The nucleus of bacteria is:

 
 
 
 

242. Cyathia is characterized by:

 
 
 
 

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

 
 
 
 

244. Sporophyte of Funaria is :

 
 
 
 

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

 
 
 
 

246. Yeast belongs to class:

 
 
 
 

247. The disease symptom necrosis refers to :

 
 
 
 

248. Placenta in fern is:

 
 
 
 

249. The fungi are usually:

 
 
 
 

250. Chemosynthetic bacteria are:

 
 
 
 

251. Viruses are commonly transmitted in plants through:

 
 
 
 

252. Special feature of pollen grains of Pinus is :

 
 
 
 

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

 
 
 
 

254. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

256. The teeth of peristome of Funaria are :

 
 
 
 

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

 
 
 
 

258. 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:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

264. Which of the following is true for viruses?

 
 
 
 

265. Genetic material of TMV is:

 
 
 
 

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

 
 
 
 

267. The stele of Dryopteris is a:

 
 
 
 

268. Nannandria are:

 
 
 
 

269. Virion refers to:

 
 
 
 

270. Germination of the seed of Pinus is :

 
 
 
 

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

 
 
 
 

272. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

274. In angiosperms double fertilization represents:

 
 
 
 

275. Which is a tautonym?

 
 
 
 

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

 
 
 
 

277. attract the antherozoids of Funaria towards their archegonium:

 
 
 
 

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

 
 
 
 

279. Majority of lichens are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

282. A gill of Agaricus:

 
 
 
 

283. Lichens form the first community in

 
 
 
 

284. Desired type of Cycas can be grown by:

 
 
 
 

285. Indusium in Dryopteris is:

 
 
 
 

286.

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

 
 
 
 

288. Which is a gametophytic tissue?

 
 
 
 

289. The sporangiophores in Rhizopus are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

292. The chief characteristic of class Ascomycetes is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

295. Photosynthetic protists contribute what percentage of global photosynthesis:

 
 
 
 

296. An alga which is rich in proteins:

 
 
 
 

297. The mycelium of Rhizopus is:

 
 
 
 

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

 
 
 
 

299. Lichens show :

 
 
 
 

300. Select the wrong statement:

 
 
 
 

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

 
 
 
 

302. The prothallus of fern represents the plant:

 
 
 
 

303. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

309. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

313. Gametophyte is the main plant body in :

 
 
 
 

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

 
 
 
 

315. The antibiotic is obtained from:

 
 
 
 

316. The fungi that grow on wood are called:

 
 
 
 

317. Heterosporous pteridophytes always form:

 
 
 
 

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

 
 
 
 

319. Bentham and Hooker placed gymnosperms:

 
 
 
 

320. Bivalved siliceous shell or frustule occur in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

323. Which of the following is sago palm?

 
 
 
 

324. Viroids have:

 
 
 
 

325. Water-net is the name of:

 
 
 
 

326. Heterocysts are found in :

 
 
 
 

327. The zygospore in Rhizopus on germination forms:

 
 
 
 

328. Most resistant spore in bacteria is:

 
 
 
 

329. Reproduction in Cycas takes place by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

334. Zoogametes are not found in:

 
 
 
 

335. The mode of nutrition of bacteria is usually:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

338. Mycoplasma contains:

 
 
 
 

339. Small epidermal swellings due to infection are called :

 
 
 
 

340. Lichens reproduce by :

 
 
 
 

341. Which is an edible fungus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

344. Mycoplasma is different from bacteria due to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

348. The central part of Funaria axis is :

 
 
 
 

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

 
 
 
 

350. Rhizopus belongs to:

 
 
 
 

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

 
 
 
 

352. Select the correct statement: (NEET 2016)

 
 
 
 

353. The two conjugating gametangia of Rhizopus are:

 
 
 
 

354. Iodine is obtained from :

 
 
 
 

355. Pollination in Cycas takes place by :

 
 
 
 

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

 
 
 
 

357. Common phycobiont in a lichen is :

 
 
 
 

358. Fruits are not found in:

 
 
 
 

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

 
 
 
 

360. Standard size of a herbarium sheet is:

 
 
 
 

361. The leaves of Funaria are :

 
 
 
 

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

 
 
 
 

363. Anoxygenic photosynthesis occurs in:

 
 
 
 

364. Amphiphloeic siphonostele develops in rhizome of:

 
 
 
 

365. ‘Snakes of Plant Kingdom’ is:

 
 
 
 

366. Reserve food in Euglena is:

 
 
 
 

367. Viruses have:

 
 
 
 

368. Most of the algae are :

 
 
 
 

369. In moss, peristomial teeth are:

 
 
 
 

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

 
 
 
 

371. Discovery of penicillin was based on:

 
 
 
 

372. Leaf spot of groundnut is caused by :

 
 
 
 

373. Woody climbers are known as :

 
 
 
 

374. Mycoplasma are:

 
 
 
 

375. Bacteriophage consists of:

 
 
 
 

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

 
 
 
 

377. Typhoid in man is caused by:

 
 
 
 

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

 
 
 
 

379. Absorptive nutrition is:

 
 
 
 

380. Which is the correct statement about Selaginella?

 
 
 
 

381. The root nodules of leguminous plants contain:

 
 
 
 

382. Which bacteria convert nitrate into nitrogen?

 
 
 
 

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

 
 
 
 

384. In moss, sporogenous tissue arises from:

 
 
 
 

385. Red rot of sugarcane is caused by:

 
 
 
 

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

 
 
 
 

387. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

390. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

392. Who discovered cyanophages?

 
 
 
 

393. Lichen show :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

396. In binomial system most of the words are:

 
 
 
 

397. Halophiles are the bacteria that require for growth:

 
 
 
 

398. An Hfr bacterium is one that contains:

 
 
 
 

399. Pteridophyta are also called:

 
 
 
 

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

 
 
 
 

401. Siphonogamy is found in:

 
 
 
 

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

 
 
 
 

403. Saccharomyces is used in:

 
 
 
 

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

 
 
 
 

405. Banana bunchy top is caused by :

 
 
 
 

406. Winged pollen grains are found in :

 
 
 
 

407. Water bloom is generally caused by :

 
 
 
 

408. Vascular cryptogams is the term used for:

 
 
 
 

409. Black rust of wheat is caused by:

 
 
 
 

410. Mycoplasmas are not viruses in nature because:

 
 
 
 

411. The ascus of yeast contains:

 
 
 
 

412. The sexual reproductive organs in Rhizopus are:

 
 
 
 

413. Most appropriate word for protozoans is:

 
 
 
 

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

 
 
 
 

415. The archegonia in Selaginella develop on:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

418. Fern phloem lacks:

 
 
 
 

419. Roots are absent in :

 
 
 
 

420. The prothallus of fern is:

 
 
 
 

421. Which is the nuclear material in bacteria?

 
 
 
 

422. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

424. Which is absent from the xylem of Cycas?

 
 
 
 

425. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

428. Endemic plants are characterised by their:

 
 
 
 

429. In Gymnocarpeae the fruiting body is :

 
 
 
 

430. Citrus canker is caused by:

 
 
 
 

431. Which one of the following statement is wrong?

 
 
 
 

432. In moss, sporophyte is formed on:

 
 
 
 

433. The order generally ends with:

 
 
 
 

434. Most primitive embryophytes are placed in :

 
 
 
 

435. Which of the following shows heterotrichous habit?

 
 
 
 

436. Most primitive group of vascular plants are:

 
 
 
 

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

 
 
 
 

438. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

439. Funaria can be differentiated from Cycas :

 
 
 
 

440. Which is a fungicide?

 
 
 
 

441. What is the role of nitrifying bacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

444. The lambda phase is a:

 
 
 
 

445. The smallest bacterium is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

448. Which of the following is a parasitic algae?

 
 
 
 

449. Protists which are diploid reproduce sexually by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

452. Broad spectrum antibiotic is, which:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

455. Where does meiosis occur in yeast?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

458. Pinus gerardiana is :

 
 
 
 

459. Some diseases caused by bacteria are:

 
 
 
 

460. Funaria is a Bryophyta because :

 
 
 
 

461. Simple polyembryony is found in :

 
 
 
 

462. The first to isolate a plant virus was:

 
 
 
 

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

 
 
 
 

464. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

469. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

471. The disease apple scab is caused by:

 
 
 
 

472. In moss, reduction division occurs in :

 
 
 
 

473. The chloroplast of Chlamydomonas are:

 
 
 
 

474. The spermatozoids of Cycas are :

 
 
 
 

475. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

477. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

480. Most primitive embryophytes are placed in:

 
 
 
 

481. Fruits are not found in :

 
 
 
 

482. Rhizopus and yeast are usually:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

485. The photosynthetic protists are:

 
 
 
 

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

 
 
 
 

487. Which bacteria convert NO₃ to elemental nitrogen?

 
 
 
 

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

 
 
 
 

489. Which of the following does not contain chlorophyll?

 
 
 
 

490. Generic name of mango is:

 
 
 
 

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

 
 
 
 

492. Number of capsomeres forming capsid of TMV is:

 
 
 
 

493. Acetobacter is useful in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

496. The term stele was given by:

 
 
 
 

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

 
 
 
 

498. How a fern differs from a moss?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

502. Nitrifying bacteria play an important role by converting:

 
 
 
 

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

 
 
 
 

504. Seeds are characteristically found in:

 
 
 
 

505. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

507. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

509. Nitrogen-fixing bacteria may be located:

 
 
 
 

510. Bacteriovirdin pigments are found in which bacteria:

 
 
 
 

511. The largest alga is:

 
 
 
 

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

 
 
 
 

513.

514. Climbers are found in genus:

 
 
 
 

515. Cellular slime mold is:

 
 
 
 

516. Who discovered streptomycin?

 
 
 
 

517. In moss, calyptra is formed from:

 
 
 
 

518. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

520. The chief characteristic of bryophyta is that :

 
 
 
 

521. The antherozoids of Funaria are :

 
 
 
 

522. The DNA of E coli is:

 
 
 
 

523. Some biologists have used the term Mycetozoa for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

528. The fungi used as food are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

531. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

533. The microsporophylls on the cone of Cycas are :

 
 
 
 

534. Photosynthetic protists belong to:

 
 
 
 

535. NBG of Lucknow is now named as:

 
 
 
 

536. Liverworts are included in :

 
 
 
 

537. Which statement is wrong in regard to bacteria?

 
 
 
 

538. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

540. The flagella of Chlamydomonas are:

 
 
 
 

541. Circular DNA is seen in:

 
 
 
 

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

 
 
 
 

543. The plants of Funaria grow :

 
 
 
 

544. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

546. Ovules are not found enclosed in ovary in :

 
 
 
 

547. Funaria is :

 
 
 
 

548. Embryo formation is not known in :

 
 
 
 

549. Saccharomyces is well known for:

 
 
 
 

550. Cleavage polyembryony is found in :

 
 
 
 

551. Clostridium can:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

554. Mucilaginous canals in Cycas are found in :

 
 
 
 

555. Spermatophyta are characterized by producing:

 
 
 
 

556. In nitrification, Nitrosomonas bacteria converts:

 
 
 
 

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

 
 
 
 

558. The sporophyte of Riccia is represented by :

 
 
 
 

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

 
 
 
 

560. Helotism word is used for the symbiosis between :

 
 
 
 

561. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

564. Mycoplasma was discovered by:

 
 
 
 

565. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

567. Which is a redwood tree?

 
 
 
 

568. Economic importance of bacteria lies in their being:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

572. Enzymes are absent in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

576. What is special feature of fern archegonia?

 
 
 
 

577. First animal pathogenic virus was discovered by:

 
 
 
 

578. The genetic material of poxvirus is:

 
 
 
 

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

 
 
 
 

580. Bacteria are considered to be plants because they:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

583. The chloroplast in Ulothrix is :

 
 
 
 

584. ‘Diatomaceous Earth’ is deposition of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

587. Chief constituents of bordeaux mixture are :

 
 
 
 

588. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

589. In Pteris, the roots are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

593. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

595. In Cycas which structure is equivalent to stamen?

 
 
 
 

596. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

600. The seedless plants which possess vascular tissues are:

 
 
 
 

601. Streptomycin is obtained from:

 
 
 
 

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

 
 
 
 

603. The male gametes of Pinus are :

 
 
 
 

604. Sexual reproduction of lichen is due to :

 
 
 
 

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

 
 
 
 

606. Lichens are ecologically important because :

 
 
 
 

607. In Herpes virus DNA is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

612. Rejuvenescent cells (auxospores) occur in:

 
 
 
 

613. E coli is a:

 
 
 
 

614. Milk is converted to curd by:

 
 
 
 

615. In a diplontic life cycle:

 
 
 
 

616. Reproduction in Rhizopus is:

 
 
 
 

617. Longest known virus is:

 
 
 
 

618. Ulothrix produces :

 
 
 
 

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

 
 
 
 

620. The young leaves of Cycas have :

 
 
 
 

621. The sporangium of fern contains nearly:

 
 
 
 

622. The fern plant is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

626. What are Cyanobacteria?

 
 
 
 

627. Spores of which plants have chloroplast:

 
 
 
 

628. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

630. Detailed study of bacteriophage was made by:

 
 
 
 

631. The Rhizopus is:

 
 
 
 

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

 
 
 
 

633. The alga, Spirogyra are found in :

 
 
 
 

634. Which class of Protozoa includes all parasitic forms?

 
 
 
 

635. In tracheophyta:

 
 
 
 

636. Psilotum is:

 
 
 
 

637. Pythium debaryanum is the causative agent of:

 
 
 
 

638. Extremely reduced gametophyte in plant kingdom is:

 
 
 
 

639. The source of litmus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

645. The lichens growing on rocks are called :

 
 
 
 

646. Cell walls of Gram-positive bacteria contain:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

650. Chemosynthetic bacteria are:

 
 
 
 

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

 
 
 
 

652. Bryophyta have a special character from other plants:

 
 
 
 

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

 
 
 
 

654. Pasteur is famous for his:

 
 
 
 

655. All protozoans possess:

 
 
 
 

656. Fern prothallus is:

 
 
 
 

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

 
 
 
 

658. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

659. Male gametophyte of Selaginella is found:

 
 
 
 

660. Which of the following lichens is harmful?

 
 
 
 

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

 
 
 
 

662. Spirogyra represents the :

 
 
 
 

663. Bacteriophages have been used as:

 
 
 
 

664. Infective part of virus was discovered by:

 
 
 
 

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

 
 
 
 

666. Funaria is :

 
 
 
 

667. Triple antigen injection or vaccine are for:

 
 
 
 

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

 
 
 
 

669. Yeast is a source of:

 
 
 
 

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

 
 
 
 

671. Photosynthetic bacteria have:

 
 
 
 

672. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

676. Coenogamete is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

679. Gram stain is used to:

 
 
 
 

680. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

682. 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:

 
 
 
 

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

 
 
 
 

684. Wine turns sour because of:

 
 
 
 

685. Cycas is:

 
 
 
 

686. Bacteria which are spherical are called:

 
 
 
 

687. Green plants are classified as:

 
 
 
 

688. The similarity between cyanobacteria and bacteria:

 
 
 
 

689. Ovary is absent in:

 
 
 
 

690. Pteridophytes are also known as :

 
 
 
 

691. Sleeping sickness disease in man is caused by:

 
 
 
 

692. Which lichen is called Reindeer moss?

 
 
 
 

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

 
 
 
 

694. Fertility of the soil is increased by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

697. Funaria are commonly found :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

700. The gametophyte of moss has distinct phases :

 
 
 
 

701. To which country Antony van Leeuwenhoek belong?

 
 
 
 

702. Smallpox is caused by:

 
 
 
 

703. The upper region of moss capsule is :

 
 
 
 

704. Which of the following have a prokaryotic cell?

 
 
 
 

705. The sporophyte of Riccia is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

708. Linnaeus is credited with introducing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

714. Interferon is a:

 
 
 
 

715. The leafy fern plant represents the:

 
 
 
 

716. Fairy ring is the name given to:

 
 
 
 

717. The most primitive vascular plants is:

 
 
 
 

718. Bacteria were first discovered by:

 
 
 
 

719. Botulinum toxin effects:

 
 
 
 

720. Ovary is absent in :

 
 
 
 

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

 
 
 
 

722. Commonest mode of asexual reproduction in bacteria is:

 
 
 
 

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

 
 
 
 

724. Yeast grows more rapidly in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

731. Why is Cycas called a living fossil?

 
 
 
 

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

 
 
 
 

733. The smallest unit of classification is:

 
 
 
 

734. Oswald Tippo’s classification is:

 
 
 
 

735. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

738. The orders generally have the uniform endings:

 
 
 
 

739. Azolla and Salvinia both are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

742. Kuru, a human disease is caused by:

 
 
 
 

743. All algae have:

 
 
 
 

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

 
 
 
 

745. Facultative saprophyte is:

 
 
 
 

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

 
 
 
 

747. Ovules are not found enclosed in ovary in :

 
 
 
 

748. Bacteria are found everywhere, except:

 
 
 
 

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

 
 
 
 

750. The sori in Dryopteris are found on:

 
 
 
 

751. Pollination drop is:

 
 
 
 

752. Lichens are the indicator of pollution :

 
 
 
 

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

 
 
 
 

754. In moss, conducting tissue is made up of

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

758. Club moss and Peat moss belong to:

 
 
 
 

759. What is a vector?

 
 
 
 

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

 
 
 
 

761. Most primitive kind of flower is represented by:

 
 
 
 

762. Viruses are considered to be:

 
 
 
 

763. Pasteurized milk is:

 
 
 
 

764. Heterospory is the production of:

 
 
 
 

765. Penicillin is obtained from:

 
 
 
 

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

 
 
 
 

767. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

769. . Tapetum develops in:

 
 
 
 

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

 
 
 
 

771. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

773. Leprosy is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

778. 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?

 
 
 
 

779. Fruits are not found in Cycas because:

 
 
 
 

780. Lichens are indicators of :

 
 
 
 

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

 
 
 
 

782. Lichens reproduce by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

785. Green plants are classified as :

 
 
 
 

786. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

788. Cycas revoluta is widely grown as :

 
 
 
 

789. Which of the following is true for Selaginella?

 
 
 
 

790. White rust of crucifers is caused by:

 
 
 
 

791. Cycas is different from mango in :

 
 
 
 

792. What is absent in Deuteromycetes?

 
 
 
 

793. Most of the lichens are composed of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

796. Which of the following is a heterosporous pteridophyte?

 
 
 
 

797. Soil fertility is lost by the activities of:

 
 
 
 

798. The archegonia of Selaginella are differentiated by:

 
 
 
 

799. Lichens are pioneers of vegetation in a :

 
 
 
 

800. The gametophyte of fern bears:

 
 
 
 

801. Polystelic condition is found in:

 
 
 
 

802. In Funaria :

 
 
 
 

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

 
 
 
 

804. The gametophyte of fern is as:

 
 
 
 

805. In Pteris, the archegonia are present:

 
 
 
 

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

 
 
 
 

807. Water-borne bacterial diseases are:

 
 
 
 

808. Which have the largest antherozoid?

 
 
 
 

809. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

811. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

813. What are plasmids?

 
 
 
 

814. Fern plants are:

 
 
 
 

815. Azotobacter and Beijerinckia are the examples of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

820. Who among the following discovered virus?

 
 
 
 

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

 
 
 
 

822. The tree fern is:

 
 
 
 

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

 
 
 
 

824. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

828. Transfusion tissue is present in the leaflet of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

832. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

835. The coralloid roots are :

 
 
 
 

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

 
 
 
 

837. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

839. The sporangia of Selaginella are attached:

 
 
 
 

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

 
 
 
 

841. In dinoflagellates, the two flagella are:

 
 
 
 

842. All archaebacteria lack:

 
 
 
 

843. Azolla growing in paddy fields helps in:

 
 
 
 

844. John Hutchinson divided dicots into two divisions:

 
 
 
 

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

 
 
 
 

846. The most important property of yeast is:

 
 
 
 

847. Bacteria growing on synthetic medium are called:

 
 
 
 

848. 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?

 
 
 
 

849. What is streptomycin?

 
 
 
 

850. Fern prothallus produces:

 
 
 
 

851. The fungi are mostly:

 
 
 
 

852. Which part of Riccia bears nurse cells?

 
 
 
 

853. Vascular cryptogam is the term used for :

 
 
 
 

854. Ergot of rye is caused by:

 
 
 
 

855.

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

 
 
 
 

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

 
 
 
 

858. In Cycas microsporangia are borne on:

 
 
 
 

859. 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:

 
 
 
 

860. Quarantine regulations are concerned with:

 
 
 
 

861. Parmelia belongs to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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