All Free Agriculture MCQs with Answers

• A. 5
• B. 3
• C. 4
• D. 1

Explanation: Sindh is commonly divided into four agro-ecological regions, reflecting differences in climate, soils, irrigation, and physiography.

• A. Sugarcane
• B. Sorghum
• C. Make
• D. All the above

Explanation: Sugarcane, sorghum and maize are all C4 plants, using the Hatch-Slack pathway and showing high efficiency in hot, bright conditions.

• A. Okra
• B. Methi
• C. Cucurbits
• D. Wee

Explanation: Melilotus alba, or white sweet clover, is recognized as an objectionable weed contaminating methi seed and crop fields.

• A. Carbon cycle
• B. Nitrogen cycle
• C. Nutrient cycle
• D. None of the above

Explanation: A nutrient cycle is the complete movement and transformation of a nutrient through living organisms and the environment until it returns…

• A. 2.8 million hac
• B. 3.75 million hac
• C. 4.00 million hac
• D. 4.5 million hac

Explanation: Sindh’s total cropped area is approximately 4.0 million hectares according to the commonly used agricultural statistics for the province.

• A. And climate
• B. Semi-and climate
• C. Wet climate
• D. None of the above

Explanation: A region receiving less than about 10 inches of annual rainfall is classified as arid, meaning water availability is very limited and…

• A. Intercropping
• B. Monocropping
• C. Doubling cropping
• D. Cropping pattern

Explanation: Growing two successive crops on the same land within one year is called double cropping; “doubling cropping” is the option’s intended…

• A. Dry matter
• B. Seed index
• C. Total yield
• D. Harvest index

Explanation: Harvest index is calculated as economic yield divided by biological yield, multiplied by 100.

• A. Conservation
• B. Sustainability
• C. Crop residue management
• D. None of above

Explanation: Conservation means protecting and wisely managing natural resources so they remain available for future use.

• A. Absolute growth
• B. Indeterminate growth
• C. Assimilation
• D. Determinate growth

Explanation: Indeterminate plants continue producing vegetative and reproductive structures without a fixed endpoint, so flowering and growth may…

• A. They need very little water to grow
• B. Six crops are harvested in a year
• C. They are disease resistant
• D. Help in nitrogen economy of nature

Explanation: Legumes contain root-nodule bacteria that fix atmospheric nitrogen into forms usable by plants.

• A. Wheat
• B. Maize
• C. Paddy
• D. Barley

Explanation: Wheat is the principal cereal of temperate regions because it is well adapted to their cool growing season and moderate rainfall.

• A. 75 cm
• B. 90 cm
• C. 45 cm

Explanation: A row-to-row spacing of about 75 cm is commonly recommended for cotton, providing adequate room for sunlight, aeration and intercultural…

• A. 10-22 kg
• B. 14-21 kg
• C. 5-6 kg

Explanation: Cotton is commonly sown at about 5–6 kg of seed per acre, although the exact rate changes with seed size, germination percentage and…

• A. Cotton crop research institute
• B. Center for crop research institute
• C. non of these
• D. Central cotton research institute

Explanation: CCRI expands to Central Cotton Research Institute, an institute concerned with cotton research and improvement.

• A. Rabi crop
• B. Kharif crop
• C. Zaid Kharif crop

Explanation: Cotton is a warm-season crop sown and grown mainly during the monsoon season, so it is classified as a Kharif crop.

• A. 2-3 ft
• B. 4-6 ft
• C. 8-10 ft
• D. non of these

Explanation: Cotton develops a deep tap-root system that may reach roughly 4–6 feet under favourable soil conditions.

• A. Pakistan
• B. China
• C. Turkey
• D. non of these

Explanation: Turkey has traditionally ranked among the leading countries for cotton yield per hectare, second in the ranking intended by this question.

• A. 1st
• B. 2nd
• C. 3rd
• D. 4th

Explanation: In the historical ranking used in this question, China was listed as the second-largest cotton-exporting country.

• A. 1st
• B. 2nd
• C. 3rd
• D. 4th

Explanation: The United States has historically occupied the first position among cotton-exporting countries because it combines large-scale production…