What is the closed conduit that carries water under high pressure to a turbine to generate electricity called?
Correct answer D. Penstock
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Agriculture MCQs
Page 53 of Agriculture multiple-choice questions with answers. Tap an option to check yourself.
Page 53 of 135
For smooth entry of water into a canal, at what angle is the head regulator kept relative to the direction of flow?
Correct answer A. 110°
Who first reported male sterility in flowering plants?
Correct answer C. Koelreuter (1763)
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For a given discharge, what is flow called when the total energy, the sum of potential, kinetic and pressure energies, is at a minimum?
Correct answer B. Critical flow
Through which structures do plant cells communicate with neighbouring cells?
Correct answer D. Plasmodesmata
What is the approximate depth of the root zone for rice?
Correct answer B. 90 cm
Hail is precipitation as balls or lumps of ice, formed by repeated freezing and melting, larger than what size?
Correct answer A. 5 mm diameter
Coir is obtained from which part of the coconut palm?
Correct answer A. Pericarp of fruit
What is the instrument for measuring pressure head, usually a small tube tapped into the side of a conduit, called?
Correct answer A. Piezometer
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Which perennial grass is suitable as fodder during lean periods?
Correct answer B. Napier
What is precipitation caused by frontal disturbances during the movement of a low-pressure system called?
Correct answer A. Cyclonic
What mainly resists the forces acting on a gravity dam?
Correct answer C. Self weight of the dam
Who received the Nobel Prize for discovering the operon model?
Correct answer A. Jacob and Monod (1965)
What is the final stretch of a river before it enters the sea known as?
Correct answer C. Delta stage
What causes a child to be born with an extra chromosome in every cell?
Correct answer C. Non-disjunction
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At what depth should velocity be measured with a current meter in a large canal to give the mean velocity?
Correct answer D. 0.6 depth
What causes cavitation?
Correct answer D. Low pressure
Who first observed polytene chromosomes?
Correct answer C. Balbiani (1881)
Which statement correctly defines a fluid?
Correct answer D. Cannot remain at rest under the action of any shear force
Which sugar is present in DNA?
Correct answer C. Pentose