What is the warming of the atmosphere by gases that let sunlight through but trap outgoing heat called?
Correct answer B. Greenhouse effect
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Agriculture MCQs
Page 134 of Agriculture multiple-choice questions with answers. Tap an option to check yourself.
Page 134 of 135
What is the total depth of water a crop needs during its base period called?
Correct answer C. Delta of water
The major source of sugar in the world is:
Correct answer D. Sugarcane
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Which of these is a fibre-yielding monocot plant?
Correct answer A. Cocos
How many irrigations does a cotton crop generally require?
Correct answer C. 6 irrigations
Which period is given as the best sowing time for cotton?
Correct answer A. Mid-May to mid-July
Which sowing method is recommended for cotton?
Correct answer A. Drill method
What is the recommended seed rate of American cotton per acre?
Correct answer A. 10-12 kg
What are the non-fruiting branches of the cotton plant called?
Correct answer C. Monopodial branches
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Between which values does the optimum soil pH for the cotton plant lie?
Correct answer B. 5.2 to 7.0
What kind of organism is Bacillus thuringiensis, the source of Bt cotton genes?
Correct answer B. Bacteria
Cotton is a crop of which region?
Correct answer C. Both A and B
What mode of germination does the cotton plant show?
Correct answer A. Epigeal germination
To which photosynthetic category does the cotton plant belong?
Correct answer C. C3 plant
What does CLCV stand for?
Correct answer A. Cotton leaf curl virus
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What was Pakistan’s record cotton production in 1991-92?
Correct answer B. 12,800,000 bales
Which of these countries ranks first in the area under cotton cultivation?
Correct answer D. India
Which of these countries ranks first in cotton yield per hectare?
Correct answer C. Australia
Where did Pakistan rank among cotton-exporting countries?
Correct answer D. 3rd
Who invented the cotton gin?
Correct answer C. Eli Whitney