10 Multiple-choice questions (MCQs) on Agriculture

 

1. Which of the following crops is classified as a Rabi crop in India?

A) Paddy
B) Maize
C) Wheat
D) Cotton

✅ Answer: C) Wheat
Rationale: Rabi crops are sown in winter and harvested in spring. Wheat is a typical Rabi crop, while Paddy and Maize are Kharif crops.

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2. Which nutrient is responsible for vegetative growth in plants?

A) Phosphorus
B) Nitrogen
C) Potassium
D) Calcium

✅ Answer: B) Nitrogen
Rationale: Nitrogen promotes leaf and stem growth, as it is a major component of chlorophyll and amino acids.

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3. The process of growing plants without soil using nutrient-rich water is known as:

A) Apiculture
B) Sericulture
C) Hydroponics
D) Floriculture

✅ Answer: C) Hydroponics
Rationale: Hydroponics is a soilless cultivation technique where plants grow in nutrient solutions.

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4. Which of the following is a leguminous crop?

A) Maize
B) Rice
C) Gram
D) Wheat

✅ Answer: C) Gram
Rationale: Leguminous crops like Gram fix atmospheric nitrogen through symbiotic bacteria Rhizobium in their root nodules.

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5. The green revolution in India was primarily related to the production of:

A) Oilseeds
B) Cereals
C) Pulses
D) Fruits

✅ Answer: B) Cereals
Rationale: The Green Revolution focused on increasing the productivity of wheat and rice through HYV seeds and modern inputs.

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6. Which Indian scientist is known as the “Father of the Green Revolution in India”?

A) Dr. Verghese Kurien
B) Dr. M.S. Swaminathan
C) Dr. Norman Borlaug
D) Dr. A.P.J. Abdul Kalam

✅ Answer: B) Dr. M.S. Swaminathan
Rationale: He introduced high-yielding varieties of wheat and rice and promoted modern agricultural practices in India.

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7. Soil having a pH value below 7 is known as:

A) Alkaline soil
B) Neutral soil
C) Acidic soil
D) Saline soil

✅ Answer: C) Acidic soil
Rationale: Soil pH below 7 indicates acidity, common in regions with high rainfall and leaching.

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8. Which cropping system involves growing two or more crops simultaneously on the same field?

A) Monocropping
B) Mixed cropping
C) Crop rotation
D) Sequential cropping

✅ Answer: B) Mixed cropping
Rationale: Mixed cropping minimizes risk by growing multiple crops together, often with different nutrient and water needs.

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9. Drip irrigation is most suitable for:

A) Paddy
B) Sugarcane
C) Wheat
D) Cotton

✅ Answer: D) Cotton
Rationale: Drip irrigation conserves water and is ideal for row crops like Cotton, Vegetables, and Grapes, where water use efficiency is crucial.

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10. The National Agricultural Research System (NARS) in India is coordinated by:

A) NABARD
B) ICAR
C) NITI Aayog
D) Ministry of Commerce

✅ Answer: B) ICAR
Rationale: The Indian Council of Agricultural Research (ICAR) coordinates and oversees agricultural research and education across India.