Why has emphasis been placed on conserving the wild relatives of cultivated plants?
Correct answer D. They carry many useful genes that have been lost in cultivated plants
Topic / 300 questions
Agronomy MCQs
Page 13 of Agronomy multiple-choice questions with answers. Tap an option to check yourself.
Page 13 of 15
What soil pH does sugarcane prefer?
Correct answer D. 8.00 pH
Drought tolerance in crops is measured in terms of which of the following?
Correct answer D. All the above
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Which experimental design controls fertility variation in two directions?
Correct answer D. LSD
What does the term crop ideotype refer to?
Correct answer D. All the above
What is the management of land by planting a sequence of crops, pastures or fallows to maximise production while maintaining land quality called?
Correct answer B. Crop rotation
How many horizons does the soil profile have?
Correct answer A. Six horizons
Under which climate type does Sindh province fall?
Correct answer B. Sub tropical
How many acres are equal to one hectare?
Correct answer C. 2.471 acres
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Which of these is regarded as the critical factor for crop production?
Correct answer B. Pure seed
What does crop rotation involve growing?
Correct answer A. Growing different crops
What are plants that grow in dry regions called?
Correct answer D. Xerophytes
Allelopathic interactions, and allelochemicals in particular, are seen as an important tool for what?
Correct answer B. Weed and pest management
Allelopathy is an important part of future integrated strategies for managing what?
Correct answer A. Weed management
Annual ryegrass releases a chemical through its roots that suppresses the germination of which seeds?
Correct answer C. Both A and B
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Allelopathic compounds released by plants mainly inhibit which stage of the plant life cycle?
Correct answer C. Seed germination
What is growing only one crop a year, where water is available only seasonally, called?
Correct answer A. Monocropping
What type of disease is root rot of cotton?
Correct answer B. Fungal disease
What is the main cause of flower shedding in cotton?
Correct answer C. High temperature
The Indus is one of Asia’s longest rivers. Roughly how long is it?
Correct answer A. 2900 km