What controls self-incompatibility?
Correct answer A. Multiple alleles
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Agriculture MCQs
Page 43 of Agriculture multiple-choice questions with answers. Tap an option to check yourself.
Page 43 of 135
For maximum discharge through a rectangular channel, the hydraulic mean depth m equals what?
Correct answer B. Depth/2
How are metamorphic rocks classified?
Correct answer C. Both A and B
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The buoyant force equals the ____ of liquid displaced by a body immersed in water. Which word fills the blank?
Correct answer D. Weight
Male sterility is the absence of what?
Correct answer B. Functional pollen
In land capability classification, for what use are classes I to IV suitable?
Correct answer C. Cultivated farming
What type of trait is colour blindness?
Correct answer B. Sex-linked trait
What is the specific weight of water at a normal pressure of 760 mm, 4ºC and mean sea level?
Correct answer A. 1000 kg/m3
Which criteria must an element meet to be considered essential for plants?
Correct answer D. All of these
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On which of the following does a torsional force not act?
Correct answer B. Liquids
Where is the centre of origin of the sunflower?
Correct answer B. North America
Which nutritive elements are needed in large quantities for normal plant development?
Correct answer A. N, P, K
Which equation is used to determine friction head loss in open channels?
Correct answer C. Darcy-Weisbach equation
What is the sunflower seed called botanically?
Correct answer B. Achene
What is any material, such as straw, sawdust, leaves, plastic film or loose soil, spread on the soil surface to protect soil and roots from raindrop impact, crusting, freezing or evaporation called?
Correct answer B. Mulch
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What is the sexual condition of the disc florets of sunflower?
Correct answer D. Bisexual
What does the total energy line (T.E.L.) represent the sum of?
Correct answer A. Pressure head + kinetic head + datum head
What is a soil additive called that stabilises soil, improves resistance to erosion, increases permeability to air and water, improves texture or eases cultivation?
Correct answer C. Both A & B
What are the ray florets of sunflower usually?
Correct answer C. Sterile
Which unit is equivalent to the unit of kinematic viscosity?
Correct answer A. cm²/sec