agriculture MCQs – Page 164

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 Review each marked answer and report any item that may be outdated or unclear.

agriculture Mcqs

1. soil science 2. agronomy 3. entomology 4. water management 5. horticulture 6. agricultural economics 7. plant pathology 8. food technology 9. animal husbandry 10. plant breeding and genetics

3261. Solution containing molecular weight of a substance in gram per liter of a solution is known as______________________?
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A. None of the above

B. Molar

C. Normal

D. Molal

3262. Corrositivity of water is an indication of___________________?
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A. Salinity

B. Property of polluted material

C. Both a & b

D. None of the above

3263. While handing concentrated acids. bases or other hazardous chemicals use_________________?
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A. Table

B. Fume hoods

C. Both a & b

D. None of the above

3264. Which compound is mostly used in Pakistan for the reclamation of saline-sodic & sodic soils_________________?
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A. Calcite

B. Dolomite

C. Apatite

D. Gypsum

3265. The inner shell of earth consists of_____________________?
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A. Silicate

B. Fe

C. Silicate of Fe & Mg

D. Mg

3266. Common soils found in Pakistan are___________________?
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A. Entisols

B. All the above

C. Inceptisols

D. Arid soils

3267. Process of mixing soil by fauna and flora is called__________________?
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A. Pedoturbation

B. Lessivage

C. Leaching

D. Enrichment

3268. The available form of calcium to plant is________________?
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A. Ca

B. CaO

C. Ca(free cation

D. None of the above

3269. A soil is classified as sodic soil when______________________?
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A. EC is 8.5

B. All the above

C. SAR is >13

3270. The wearing away of the land surface by wind, water, ice or other geological agents is called____________________?
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A. Soil erosion

B. All the above

C. Soil contamination

D. Seepage

3271. Color of fertile soil is_____________________?
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A. Black

B. Green

C. Brown

D. White

3272. The nutrient particularly influencing root growth is___________________?
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A. Phosphorus

B. Nitrogen

C. Organic

D. Zinc

3273. The soil of Sindh (Pakistan) have pH______________________?
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A. 5.0 to 6.5

B. 7.5 to 8.5

C. 6.5 to 7.5

D. 8.5 to 9.5

3274. Gravimetric water is present in__________________?
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A. Mesopores

B. Microspores

C. Macrospores

D. Nanopores

3275. Sewage water consists of water and solids in the following percentage___________________?
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A. 90 & 10

B. 80 & 20

C. None of the above

D. 99 & 1

3276. How many different minerals deposits are found in Pakistan ?
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A. None of the above

B. 30

C. 60

D. 100

3277. Urea in manufactured form gases________________________?
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A. NH3

B. NH48CO2

C. NH3 & CH4

D. All the above

3278. An ion or molecule in the coordination sphere central ion is called__________________?
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A. Chelate

B. Potential

C. Ligand

D. Complexion

3279. Electrical conductivity of saturated paste is written as____________________?
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A. ECP

B. Ecw

C. ECs

D. ECe

3280. Mineral soil contain organic carbon___________________?
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A. >4%

B. 5%

C. >10%

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