agriculture MCQs – Page 124

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 Review each marked answer and report any item that may be outdated or unclear.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

2461. Micas have isomorphous substitution:____________?
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A. Predominantly in tetrahedral layer

B. Predominantly in octahedral layer

C. Both a & b

D. The statement is wrong

2462. A set of soils with same parent material, topography, climate and biota but different age is called_________?
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A. Chrono sequence

B. Topography

C. Catena

D. Topo sequence

2463. The internal & external surfaces of soil colloids are positively and or negatively charged. Mostly ____________ is dominant:
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A. Positive

B. Zero

C. Negative

D. All of the above

2464. Soil is a mixture of__________?
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A. Air

B. All of the above

C. Minerals And organic matter

D. Water

2465. Ground water refers to the________?
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A. Water regulation

B. Water quality determination

C. Aquifer location

D. Installation of wells

2466. Clay and humus particles are referred to as colloids and are less than 0.002mm. Due to their small size, colloids have ________________ surface area which provides surface for adsorption, catalysis, precipitation and microbial colonization:
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A. Very little

B. Extremely high

C. Extremely low

D. None of these

2467. The planned development, distribution and use water resources:
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A. Water distribution

B. Water management

C. both A & B

D. None of the above

2468. Integrated Nutrient Management (INM) is a well-accepted approach for the sustainable management of________?
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A. Soil Productivity

B. Increased crop production

C. both a and B

D. None of these

2469. Soil erosion is __________ of soil from one place ti another place by natural agencies (wind & water):
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A. Detachement of soil

B. Transportation

C. both A & B

D. None of these

2470. Which one of the following techniques is used for assessing available P in soil and does not include growing plants:
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A. E-Value

B. L-Value

C. A-Value

D. a-Value

2471. Water occupied the larger soil pores and moves down readily under the force of gravity. Water in excess of the field capacity is termed:
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A. Hygroscopic water

B. None of the above

C. Gravitational water

D. Capillary water

2472. Sustainable Technologies to Control Water-Logging:
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A. Planting of eucalyptus in water-logged areas.

B. All of these

C. Installation of tube-wells for irrigation and vertical drainage.

D. Planning and designing of future canals on proper lines.

2473. What is the pH of calcareous soils?
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A. 6.5-7.5

B. 8.5-9.0

C. 8.0-8.5

D. 7.0-7.5

2474. The practice of managing rows of closely planted woody plants with annual crops planted in alleys in between hedges is called as:________?
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A. Hedgerows intercropping

B. Soil conservation hedges

C. All of these

D. Woody Hedgerows

2475. Urea Toxicity is also called ______________________?
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A. Blood Toxicity

B. Urine Toxicity

C. None of above

D. NH3 Toxicity

2476. Fe, Zn, Mn, Mo, Co, Ni, Cu, are also called __________:
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A. Micro elements

B. Trace elements

C. Both A & B

D. None of these

2477. Water-erosion can be reduced / controlled by:___________?
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A. Provision of surface-cover that intercepts the rain before hitting the soil.

B. Reducing the amount of runoff by promoting infiltration.

C. Both a & b

D. None of the above

2478. Which of the following soil has the highest water holding capacity_________?
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A. Sand soil

B. Forest soil

C. None of these

D. Silt soil

2479. The dominance of acidity creates toxicity?
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A. Al

B. Mg

C. Zn

D. Mo

2480. Browning disease of rice is a_________?
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A. The above statement is wrong

B. Bacterial & fungal disease

C. Physiological disease

D. Viral disease

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