agriculture MCQs – Page 172

Practise multiple-choice questions from agriculture for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

3421. Total cropped area of Sindh is___________________?
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A. 3.75 million hac

B. 2.8 million hac

C. 4.5 million hac

D. 4.00 million hac
3422. In Pakistan the area effected due to water erosion is about_________________?
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A. 13.05 million lia

B. 12 million to

C. 22 million ha

D. 15 million lva

3423. Soil reaction of preference of sugarcane is________________?
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A. 6.5 pH

B. 8.00 pH

C. 7.03 pH

D. 6.00 pH

3424. The equipment used for separating, cleaning and grading small seeds from given sample is______________?
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A. a and b

B. Seed sorter

C. Seed blower

D. Seed divider

3425. Organisms which are genetically modified are called_________________?
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A. Mutagens

B. Hybrid

C. Strange organisms

D. Transgenic organisms
3426. Hybrid seeds are developed because they_________________?
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A. Provide greater vigour

B. All the above

C. Are more uniform

D. Produce better crop

3427. Growing more then one crop in a season in the same land is called________________?
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A. Double cropping

B. Intensive cropping

C. Intercropping

D. Monocropping

3428. The transport of a substance across a biological membrane against a concentration gradient is called___________________?
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A. Active transport

B. Passive transport

C. Dissolution

D. Absorption

3429. The soil are contains__________________?
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A. Less oxygen as compared 10 atmosphere

B. More carbon dioxide as compared to atmosphere

C. Both a & b

D. None of the above

3430. Root nodules in plants help in___________________?
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A. Photosynthesis

B. Nitrogen fixation

C. Respiration

D. aeration

3431. Removal of cellular water followed by shrinkage of protoplasm is due to
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A. Oxidation

B. Osmosis

C. Deplasmolysis

D. Plasmolysis
3432. The environment where an organism lives is__________________?
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A. Girding

B. Logging

C. None of the above

D. Habitat
3433. The unproductive branches of cotton are called_________________?
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A. Sympodial branches

B. Vegetative branches

C. Monopodial branches
3434. Which province the only source of income is livestock grazing in range lands_______________?
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A. Punjab

B. Balochistan

C. Sindhi

D. NWFP

3435. A good source of vegetable protein is________________?
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A. Egg

B. Com

C. non of there

D. Pulses
3436. Optimum pH for cotton plant lies between______________?
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A. 3.5 to 5.5

B. non of these

C. 5.2 to 9.0

D. 5.2 to 7.0
3437. Cotton plant belong to one of the following categories______________?
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A. C3 plant

B. C4 plant

C. CAM plant

D. on of these

3438. The contribution of agriculture in the GDP of the country is____________________?
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A. 25%

B. 30%

C. 40%

D. 35%

3439. The given off water vapours from the surface of leaves is called________________?
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A. Evaporation

B. Transpiration

C. Respiration

D. Exudation

3440. Tensiometer is used for measuring____________________?
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A. Wind pressure

B. Soil moisture

C. None of the above

D. Water pressure