GENERAL SCIENCE - BOTANY - 9

161. The roots that contains chlorophyll capable of photosynthesis?
(a) Stilt roots (b) Assimilatory roots
(c) Prop roots (d) Vehimen roots
Answer: (b)

162. Halophytes are plants that grow in .......
(a) Salt water (b) Deserts
(c) Trees (d) Mountains
Answer: (a)

163. The plant hormone that is useful for the formation of roots:
(a) Florigen (b) Auxin
(c) Cytokinins (d) Oestrogen
Answer: (c)

164. Cactus is a modified form of .....
(a) Root (b) Stem
(c) Leaf (d) None of these
Answer: (b)

165. The Rhizobium bacteria in the root nodules of Pea plants are helpful for ........ fixation:
(a) Oxygen (b) Hydrogen
(c) CO2 (d) Nitrogen
Answer: (d)

166. The pollen grains in plants are produced in.......
(a) Anther (b) Carpel
(c) Ovary (d) Ovule
Answer: (a)

167. From which part of the plant, Quinine is obtained?
(a) Leaves (b) Fruits
(c) Stem bark (d) Roots
Answer: (c)

168. Brandy is made from:
(a) Grapes (b) Sugarcane
(c) Barley (d) Apple
Answer: (a)

169. Which plant is cultivated to increase the fertility of soil?
(a) Paddy (b) Wheat
(c) Sugarcane (d) Pea
Answer: (d)
170. Which tissue is related to the formation of new cells?
(a) Parenchyma (b) Collenchyma
(c) Meristem (d) Schlerenchyma
Answer: (c)

171. Mahali disease affects .......
(a) Rubber (b) Paddy
(c) Araca plant (d) Coconut plant
Answer: (c)

172. Plants respire through:
(a) Stomata (b) Meristem
(c) Anther (d) Ovary
Answer: (a)

173. The hallucinogen Marijuana is obtained from:
(a) Hemp (b) Cinchona
(c) Poppy (d) Rauwolfia
Answer: (a)

174. The stimulant Cocaine is obtained from the leaves of:
(a) Coffee plant (b) Tea plant
(c) Cocoa (d) Rauwolfia
Answer: (c)

175. Dalbergia latifolia is the botanical name of:
(a) Coconut tree (b) Guava
(c) Tomato (d) Red wood tree
Answer: (d)

176. The father of tissue culture:
(a) Linneaus (b) Haberlandt
(c) Mendel (d) Darwin
Answer: (b)

177. Spermology is the study of:
(a) Weeds (b) Fruits
(c) Seeds (d) Diseases
Answer: (c)

178. The native place of Castor:
(a) Mexico (b) Egypt
(c) Australia (d) Brazil
Answer: (b)

179. Cotton fibre is obtained from which part of the plant?
(a) Fruit (b) Root
(c) Flower (d) Leaf
Answer: (a)

180. The edible part in a Jack fruit:
(a) Seed (b) Perianth
(c) Anther (d) None of these
Answer: (b)

181. Which tree supplies soldified milky juice used in chewing gums?
(a) Sapodilla (b) Willow
(c) Poppy (d) Rubber
Answer: (a)

182. Which tree is sacred to Buddhists?
(a) Neem (b) Ashoka

(c) Tulsi (d) Lotus

Answer: (b)

183.The leaf used to make ‘beedi’:
(a) Teak (b) Tendu
(c) Jack tree (d) Palm
Answer: (b)

184. What is the basic classification unit of plants?
(a) Genus (b) Class
(c) Order (d) Species
Answer: (d)

185. What is the chief food factor contained in cereals?
(a) Protein (b) Fat
(c) Mineral (d) Starch
Answer: (d)

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