horticulture MCQs – Page 9

Practise focused horticulture questions with marked answers for exam preparation and subject revision.

horticulture Mcqs
161. Fruit in which edible portion is thalamus are known as___________________?
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A. Berries

B. Aggregate fruit

C. Soft fruits

D. Pome
162. A pigment sensitive to light is known as___________________?
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A. None of the above

B. Photo pigment

C. Photo phase

D. Photo receptor
163. Shrubs and flowering trees are propagated through_________________?
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A. Hard wood cutting

B. Semi hard wood cutting

C. Soft wood cutting

D. Semi soft wood cutting

164. What type of pollination is observed in okra_________________?
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A. Cross pollination

B. Partually self pollination

C. Partially cross pollination

D. Both A & B
165. Synthetic products which when applied to plants produce reactions almost identical to those caused by natural harmonics are called______________?
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A. Plant harmonics

B. Photoperiodism activants

C. Plant growth regulators

D. Plant growth promoters
166. Imperfect flower is___________________?
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A. Without sepals

B. None of the above

C. Without petals

D. Unisexual
167. In day time plants release_________________?
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A. Hydrogen

B. Nitrogen

C. Carbon dioxide

D. Oxygen
168. Vernalization is a process that________________?
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A. Promote seed maturation

B. Promote flowering

C. Enhance maturity in plants

D. Initiate fertilization

169. Degreening of citrus fruit is achieved by the use of_____________________?
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A. Cytokinine

B. Ethylene

C. Ethrel

D. Ethepone

170. A group of plants providing food, fiber and shelter is____________________?
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A. Angiosperm

B. Dieetyledens

C. Gymnosperm

D. Monocotyledons

171. Several scions with their base ends trimmed as wedges are inserted between the bark and the wood is called_________________?
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A. Tongue grafting

B. Bridge grafting

C. Splice grafting

D. Bark grafting
172. Auxins and cytokinins are________________?
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A. Growth regulators

B. Fungicides

C. Herbicides

D. Insecticides

173. A physiological aging activity in which plant tissues degenerate and ultimately die is called___________________?
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A. Fruit ripening

B. Maturity

C. Senescence

D. Both a & b

174. Establishment of new crop naturally or artificially is _________________?
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A. Nursery

B. Regeneration

C. Sericulture

D. Siliviculture

175. Nitrogen requirement for citrus plant per year is___________________?
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A. 1 Kg

B. 2Kg

C. 1-1.5Kg

D. 4Kg
176. Transfer of pollen grains of a flower to the stigma of the same the flowers of the same plant is called__________________?
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A. Polygamy

B. Homogamy

C. None of the above

D. Autogamy
177. Study of plant species in relation of its environmental history ___________________?
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A. Ontogeny

B. Histology

C. Phylogemy

D. None of the above

178. Tomatoes would not have turned red if__________________?
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A. They were kept at the bottom layer of the box

B. Less hey had been put in the box

C. There were no ripe apples in the box

D. They were mixed with the ripe apples

179. Anthesis starts in onion. at__________________?
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A. 7.00 am

B. 5.00 am

C. 10.00 am

D. 8.00 am
180. Increased flower size has made tetraploidy important for___________________?
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A. Agronomist

B. Pathologist

C. Plant breeder

D. Horticulturist