agriculture MCQs – Page 155

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 Review each marked answer and report any item that may be outdated or unclear.

3081. The movement of water through a column of soil is called:___________?
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A. Leaching

B. Percolation

C. Infiltration

D. hydraulic conductivity

3082. 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. Montmorillosol

C. Regosol

D. Ragour

3083. Which chemical used to prevent evaporation from surface of water in water bodies?
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A. Cetyle alcohol

B. Methyle alcohol

C. both A and B

D. None of these

3084. 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

3085. Organic matter in Pakistani soils is generally:_________?
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A. less than 1 %

B. 3%

C. 5%

D. less than 10 %

3086. The evolution of new species is known as_____________?
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A. Speciation

B. None of these

C. Smog

D. Specialization

3087. According to the Soil survey of Pakistan, the total waterlogged summer-rain area in the country is:_________?
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A. 22.5 mha

B. 4.11 mha

C. The above statement is wrong

D. 5.16 mha

3088. The water diffusivity has the units of:__________?
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A. cm2

B. s/cm

C. cm2/s

D. cm/s

3089. Fossils are found in__________type of rocks:
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A. Sedimentary rocks

B. Metamorphic rocks

C. Aqueous rocks

D. both A & C
3090. In Pakistan, The following igneous rocks are found over considerable areas:
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A. Slate, Shist

B. Marl, gypsum

C. Dolomite shale, gneiss

D. None of the above
3091. Which element is found highest in earth crust?
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A. None of the above

B. Aluminum

C. Sodium

D. Silicon

3092. Which type of soil is found near the canal banks:
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A. Alkaline

B. Acidic & Alkaline

C. Calcareous

D. Acidic

3093. Depending on the percentage of sand, silt, clay, soils are divided into _______ textural classes:
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A. 12

B. 14

C. 13

D. 9

3094. Decomposition of the organic matter in submerged soil is carried out by?
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A. Algae

B. None of the above

C. Actinomycetes

D. Fungi

3095. Which of the following is a component of nucleic acid and protein:
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A. Ca

B. None of the above

C. N

D. Mg

3096. Soil Organic Matter (SOM) which consists of about _______ % organic carbon plays a vital role by providing macro & micro nutrients:
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A. 72%

B. 62%

C. Al of the above

D. 58%
3097. The process by which nutrients chemicals or contaminants are dissolved and carried away by water, or are moved into a lower layer of soil:
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A. Percolation

B. Infiltration

C. Leaching

D. Seeping

3098. The soil samples are dried at _______________, for gravimetric soil analysis?
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A. 110 <sup>0</sup>C

B. 120 <sup>0</sup>C

C. both A and B

D. 105 0C
3099. Most abundant organic compound in nature?
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A. Lignin

B. Hemicellulose

C. Cellulose

D. All of these

3100. Select the water soluble phosphatic fertilizer from the following__________?
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A. All of these

B. SSP

C. DSP

D. TSP