Which process converts glucose into pyruvic acid?
Correct answer A. Glycolysis
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Agriculture MCQs
Page 69 of Agriculture multiple-choice questions with answers. Tap an option to check yourself.
Page 69 of 135
What controls genetic male sterility?
Correct answer B. Nuclear genes
What is the main function of auxin?
Correct answer A. Cell elongation
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At about what time of day does anthesis begin in wheat?
Correct answer B. 1.15 pm
What causes chilling injury in fruit?
Correct answer D. All of the above
How many stamens does a rice flower have?
Correct answer C. Six stamens
What minimum relative humidity is needed for fruits to ripen well?
Correct answer D. 90%
Which of these plants is dioecious?
Correct answer D. All the above
What is the best method of cooling mango fruit?
Correct answer B. Hydrocooling
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Self-incompatibility controlled by a single gene is found in some species of which plant families?
Correct answer D. All the above
How long can fresh onions be stored at -1 to -4ºC?
Correct answer A. 12-28 weeks
What is pollen sterility controlled by both cytoplasmic and nuclear genes called?
Correct answer C. CGMS
How long can fresh apples be stored at -1 to 4°C?
Correct answer A. 8-30 weeks
What is the storage life of fresh mango at -1 to 4ºC?
Correct answer A. 1-2 weeks
Who first reported male sterility in flowering plants?
Correct answer C. Koelreuter (1763)
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In climacteric fruits, what does low temperature delay?
Correct answer B. Ripening
What is the mating system called in which each female gamete has an equal chance of uniting with every male gamete?
Correct answer A. Random mating
Above what temperature does enzyme activity in fruits usually decline?
Correct answer C. Above 30ºC
Which floral condition is associated with self-pollination?
Correct answer A. Homogamy
What determines the eating quality of fruits?
Correct answer D. All the above