Explanation

• Rapid necrosis in chickpea is caused by wilt, a fungal disease.
• The fungus infects the vascular system, blocking water and nutrient flow.
• Leads to sudden yellowing, wilting, and death of plants.

Last verified on 03-02-2026

Explanation

• Determinate growth means the plant grows to a certain size and then stops.
• In wheat, growth and development follow a fixed pattern with limited vegetative growth.
• This allows for synchronized flowering and harvesting.

Last verified on 03-02-2026

Explanation

• In legumes, nitrogen is applied entirely at the time of sowing.
• Legumes can fix atmospheric nitrogen through root nodules, so additional N is minimal.
• Proper nitrogen application supports early growth and improves yield.

Last verified on 03-02-2026

Explanation

• GNP (Gross National Product) measures the total economic output of a country including goods, services, and income from abroad.
• It accounts for domestic production plus net income from foreign sources.
• Useful for comparing the overall economic performance of nations.

Last verified on 03-02-2026

Explanation

• Norin 10 is a gene in wheat responsible for short stature (dwarfism).
• Shorter wheat plants are less likely to fall over (lodging) under high fertilizer use.
• This gene played a key role in the Green Revolution, increasing wheat yields worldwide.

Last verified on 03-02-2026

Explanation

• Cotton consists of seed and lint (fiber).
• On average, from 40 kg of raw cotton, 16 kg seeds and 24 kg lint are obtained.
• Lint is used for textile production, while seeds are used for oil extraction and animal feed.

Last verified on 03-02-2026

Explanation

• In cotton, jassid infestation causes stress, leading flowers to change color from white to pink.
• Jassids are small, sap-sucking insects that damage leaves and flowers.
• Early detection is important to prevent yield loss and maintain crop health.

Last verified on 03-02-2026

Explanation

• Registered seeds are identified with a purple tag under standard seed certification guidelines.
• Tag colors indicate the category and quality of seeds for farmers.

Additional information:

• Breeder Seed: Golden Yellow
• Foundation Seed: White
• Certified Seed: Blue

Last verified on 03-02-2026

Explanation

• Variety refers to a group of plants within the same species that show distinct characteristics.
• Differences can include size, color, shape, or yield.
• Varieties are naturally occurring or selected over time for specific traits.

Last verified on 03-02-2026

Explanation

• The progeny of Breeder Seed is called Foundation Seed.
• Foundation Seed is genetically pure and used to produce Certified Seed for farmers.
• It acts as a bridge between experimental breeder seed and commercial seed production.

Last verified on 22-01-2026