Crop production, animal husbandry, plant breeding, sustainable agriculture.
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Q1 · Improvement in Food Resources · EASY
A farmer wants to improve the soil fertility of his field before sowing the next crop. Which of the following practices would be MOST effective for replenishing nutrients in the soil?
Q2 · Improvement in Food Resources · MEDIUM
A dairy farmer wants to improve milk production in his cattle. He decides to select cows based on their milk yield and breed them with high-yielding bulls. Over several generations, the average milk production increases significantly. This practice is an example of:
Q3 · Improvement in Food Resources · HARD
An agricultural scientist is developing a new crop variety that combines high yield from one parent variety with disease resistance from another parent variety. After crossing these two varieties, the scientist grows the offspring and selects plants showing both traits, then breeds these selected plants for several more generations. If the high yield trait is controlled by genes 'YY' (homozygous) and disease resistance by 'RR' (homozygous), and both traits are on different chromosomes, what proportion of the F2 generation (second filial generation) will show BOTH high yield and disease resistance in homozygous form?
Q4 · Improvement in Food Resources · EASY
Which of the following is a rabi crop commonly grown in northern India during the winter season?
Q5 · Improvement in Food Resources · MEDIUM
In animal husbandry, what is the primary purpose of cross-breeding different varieties of cattle?