CUET UG · Other Domain Subjects
NCERT Class 12 — agro-meteorology, soil & water conservation, crop production, livestock.
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Q1 · Agriculture · EASY
The 'loo' is a hot and dry wind that blows during the summer months in the northern plains of India. During which months is the 'loo' most prominent?
Q2 · Agriculture · MEDIUM
Contour bunding is an important soil and water conservation practice. In which type of terrain is contour bunding most effective?
Q3 · Agriculture · EASY
A farmer wants to cultivate a rabi crop. Which of the following crops should the farmer sow?
Q4 · Agriculture · HARD
In cattle breeding, the term 'hybrid vigour' or 'heterosis' refers to a phenomenon where the crossbred offspring shows superior performance compared to both parents. A farmer crosses a local breed of cattle (good disease resistance but low milk yield) with an exotic breed (high milk yield but poor disease resistance). If the crossbred offspring shows both high milk yield and good disease resistance, this is an example of heterosis. The genetic basis of heterosis is primarily due to: