Objective Questions In Botany – General Science Materials For Competitive Examinations Part 5
151. Which one of the following is correctly matched? Polytrichum-Algae
152. Which one of the following tissues conducts food material in plants? phloem
153. Penicillin is a/an antibiotic
154. Polio is caused by virus
155. The energy needed by the living organism is ultimately obtained from
sum
156. In plants, water is conducted by xylem
157. Peristomes are present in
polytrichum
158. The weed which reached India as a contaminant of wheat imported unfrt PL 480 scheme is parthenium
159. Polio is caused by a virus
160. Tobacco contains a poisonous substance called nicotine
161. Palaeobotany deals with the study of Fossil plants
162. The work ‘Biosphere’ means total assembly of all living organisms
163. Microbial world was discovered is the year 1673
164. Gametophtyes are all these
165. Presence of a cambium indicates open vascular bundle
166. The phyllotaxy of Gnetum is opposite
168. The sperm in cycas is top-shaped and multiciliate
169. Circinate vernation of leaves is a typical character of ferms
170. All fungi are always heterotrophs
171. Why blue green algae are called cyano bacteria? because they are prokaryotic
172. The gymnosperms resemble angiosperms in having presence of ovules
173. The disease caused by the fungus colletotrichum falcatum is known as red rot
174. Dendrochronology is the study of age of a tree with the help of annual rings
175. Clove is obtained from which of the plants parts given below? flower buds
177. Which of the algae given below grows in sewage ponds? volvox
178. Which of the plant groups mentioned below are popularly known as amphibious of plant kingdom? bryophytes
179. DNA double helical structure was described for the first time by Watson and Crick
180. Cataclytically active enzyme is
called apoenzyme
181. Water droplets at the tip of the leaf are due to guttation
183. The age of a tree can be determined by counting the annual growth rings
184. The name “Traveller’s palm” refers to revenala madagas cariensis
185. Phyllode is seen in the plant Acacia melanoxylon
186. Polyploids can be artificially induced by colchicines
187. Parthenocarpy can be induced by IAA
188. Raphanobrassica was discovered by Karpachanko
189. When FADH2 is oxidized, the following number of ATP is produced 2
190. Half leaf experiment proves the essentiality of CO2
191. The universal Co2 acceptor molecule is called PEP
192. In anoxygenic photosynthesis, which of the following takes part as electron donors? H2S
193. Velamen root is found in vanda
194. Rosewood is obtained from dalbergia latifolia
195. Penicillin was invented by A.Fleming
196. Spirulina which is a source of SCP is a blue green algae
197. Chlorophyll is formed in the presence of magnesium
198. Hormone involved in phototropism is Auxin
199. Father of genetic is Gregor Mendel
200. The main function of RNA is protein synthesis
