About how many germplasm gene banks for crop plants exist worldwide?
Correct answer B. 980
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Agriculture MCQs
Page 76 of Agriculture multiple-choice questions with answers. Tap an option to check yourself.
Page 76 of 135
Who introduced the concept of disruptive selection?
Correct answer C. Mather
Which nutrient chiefly stimulates vegetative growth in plants?
Correct answer D. Nitrogen
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In which country is ICARDA located?
Correct answer C. Syria
What is the effect of light duration on flowering in plants called?
Correct answer B. Photoperiodism
Shull and East (1908) proposed the overdominance hypothesis of heterosis while working on which crop?
Correct answer C. Maize
Club root is a disease of which crop?
Correct answer D. Cabbage
What does the ovary develop into after fertilisation?
Correct answer A. Fruit
What is the production of silk called?
Correct answer B. Sericulture
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Which fruit trees are naturally cross-pollinated?
Correct answer B. Date palm and papaya
What type of organism causes citrus canker?
Correct answer B. Bacteria
What is the national flower of Pakistan?
Correct answer C. Jasmine
When can deciduous fruit trees be planted?
Correct answer C. Both A and B
What is the propagation method in which a single bud is used as the scion and inserted into a rootstock called?
Correct answer C. Budding
What average temperature range gives maximum plant growth?
Correct answer A. 28-30ºC
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What is the edible part of an apple?
Correct answer B. Fleshy thalamus
To which tissue, growing from the inner wall of the ovary, are the ovules attached?
Correct answer C. Placenta
What is the transfer of pollen to the stigma of a flower on another plant known as?
Correct answer D. Allogamy
Who is known as the father of hybrid rice?
Correct answer C. Yuan Longping
What characteristic distinguishes trees from other plants?
Correct answer B. Single central stem