agriculture MCQs – Page 121

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 Review each marked answer and report any item that may be outdated or unclear.

2401. AAS stands for:___________?
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A. Atomic absorption spectrophotometer

B. Asia agriculture society

C. Atom analyser solution

D. None of these

2402. Causes of Soil are:__________?
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A. Indiscriminate felling of trees

B. All of these

C. Over grazing

D. Mismanagement of irrigation syste

2403. All the SSP and some nitrophos are are manufactured locally by the National Fertilizer Corporation (NFC): SSP at_________?
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A. Haripur

B. All of these

C. Jaranwala

D. Faisalabad

2404. Which statement is true___________________?
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A. Etiolation and albinism are synonyms

B. Etiolation is physiological while albinism is genitival

C. Etiolation is not a reversible process

D. Etiolation is genetically while albinism is physiological

2405. The indicator used for estimation of the soil available boron is_______?
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A. Diphenyle

B. Mixed indicator

C. Azomethine-H

D. Phenolpthalein

2406. Soil erosion Occurs mainly in:_________?
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A. Inceptisols, Mollisols

B. Alfisols, Entisols

C. Both a & b

D. None of the above

2407. The credit for identifying the essentality of K, Ca, Mg and P to planta goes to________?
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A. Dr. Muhammad Sharif et al.

B. Theodore Saussure

C. C. Sprengel

D. Shafiq Khalil et al.

2408. 1 bar is equal to_________?
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A. 0.9869 atm

B. Wt. Of a 1020 cm water column

C. 75.01 cm high mercury column

D. All of these
2409. Ca, Mg, S are called__________?
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A. Excellent nutrients

B. Minor nutrients

C. None of these

D. Primary nutrients

2410. In Pakistan, Indus plains are formed from ___________ parent material which was transported by Indus river and its tributaries from Himalayas?
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A. Moraine

B. None of the above

C. Colluvial

D. Till

2411. Rocks and weathered materials transported by ___________ ,act as initial materials for soil formation?
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A. Wind

B. All of the above

C. Water

D. Glaciers

2412. Available water is held between?
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A. Only field capacity

B. Field capacity to super available water

C. Field capacity to wilting point

D. All of the above

2413. International Union of Soil Sciences(IUSS),foundedin___________?
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A. . 1924

B. 1624

C. 1724

D. 1824

2414. Weathering process-physical, chemical, and biological _______________, the rocks and minerals into simpler products which either accumulate in place or are transported to other places where they become soil parent materials?
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A. Disintegrate

B. Disentigrate

C. Decompose

D. Both a & c
2415. Organisms satisfying their carbon requirement as Co2 from atmosphere and energy requirement from oxidation of simple inorganic compound are called as_________?
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A. Photoautotroph

B. Saprophyte

C. None of these

D. Chemoautotroph
2416. Which element is found highest in earth crust?
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A. Sodium

B. Silicon

C. None of the above

D. Aluminum

2417. The kind, rate and intensity and pedogenic processes are controlled by ________ ,soil-forming factors?
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A. None of the above

B. 7

C. 6

D. 4

2418. Phosphorus deficiency is widespread in most (_____%) 0f the soils of Pakistan.
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A. 32%

B. 54%

C. 90%

D. 68%

2419. The water diffusivity has the units of:__________?
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A. cm2/s

B. cm2

C. s/cm

D. cm/s

2420. An intrazonal group of dark calcareous soils high in clay and having mainly montmorillonitic type clay are called as:________?
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A. Regur

B. Regosol

C. Ragour

D. Montmorillosol