What does a white label on a seed bag indicate?
Correct answer C. Basic seed
Subject / 2,686 questions
Agriculture MCQs
Page 121 of Agriculture multiple-choice questions with answers. Tap an option to check yourself.
Page 121 of 135
What is the method of breaking seed dormancy by striking seeds forcefully against a hard surface called?
Correct answer B. Impaction
When the correlation between two variables is of what kind are the regression and correlation values the same?
Correct answer C. Perfect
Advertisement
What is the loss of water vapour from the surface of leaves called?
Correct answer C. Transpiration
What role does magnesium (Mg) play in plants?
Correct answer B. Enzyme activator
What does a tensiometer measure?
Correct answer B. Soil moisture
Against which plants are contact herbicides less effective?
Correct answer B. Perennial plants
An excess of magnesium may cause a deficiency of which nutrient?
Correct answer B. N
In wheat, total crop nitrogen uptake per tonne of grain is about how much?
Correct answer A. 15-20 kg
Advertisement
Severe salinity has taken roughly what share of land out of production?
Correct answer D. 10%
Roughly what share of the country’s GDP comes from agriculture?
Correct answer D. 25%
Which rooting hormone occurs naturally in plants?
Correct answer A. Indolebutyric acid
What is the systematic arrangement of soils into groups or categories called?
Correct answer C. Classification
Why are hybrid seeds developed?
Correct answer D. All the above
Who described a method of estimating seed vigour from the colour intensity of stained seeds?
Correct answer C. Kittock and Law (1963)
Advertisement
In which form is nitrogen available to plants?
Correct answer C. Both A and B
Foliar application of nitrogen means spraying nitrogen solution onto which part of the plant?
Correct answer D. Leaves
Tillage cuts, loosens and inverts the soil for what main purpose?
Correct answer D. Seedbed preparation
Which part of the embryonic axis grows into the root?
Correct answer A. Radicle
What do root nodules help plants to do?
Correct answer A. Nitrogen fixation