agriculture MCQs – Page 50

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 Review each marked answer and report any item that may be outdated or unclear.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

981. 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

982. The given off water vapours from the surface of leaves is called________________?
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A. Respiration

B. Transpiration

C. Evaporation

D. Exudation

983. IPM stands for_________________?
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A. non of there

B. Interior pest management

C. Integrated pest management

D. International pest management

984. Fumigating and warming soil by covering it with black plastic is called__________________?
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A. Mulching

B. None of the above

C. Soil solarization

D. Fumigation

985. Hot desert has mean annual temperature of___________________?
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A. None of the above

B. 30C

C. 40C

D. 50C

986. A nutrient element is said to be essential if___________________?
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A. Deficiency symptoms can be removed by application of that putrid

B. Plants can not complete their life cycle in absence of that element

C. Nutrients has some physiological function in metabolism of plant

D. All the above

987. The total dry matter produced by a plant as a resulting photosynthesis is called_______________?
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A. Mass

B. Physical productivity

C. Biological yield

D. None of the above

988. A region with an annual rain fall of less than 10 inches comes under_________________?
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A. Semi arid climate

B. Wet climate

C. Arid climate

D. Temperature

989. Among the important green house gases two are found in higher concentration________________?
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A. Carbon and nitrogen oxide

B. None of the above

C. Methane and nitrogen

D. Methane and carbon mono oxide

990. Who gave the formula for speed of germination_______________?
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A. Moore (1973)

B. Germ (1949)

C. Baskin (1972)

D. Maguire (1962)

991. Conservation of germplasm under natural condion is called_________________?
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A. Obsolute cultivars

B. In-situ conservation

C. Ex-situ conservation

D. Gene bank

992. The value of regression and correlation is the same when the correlation between two variables is_________________?
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A. Imperfect

B. Perfect

C. Positive

D. Negative

993. APTMA stands for_____________________?
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A. All Pakistan textile mills association

B. All Pakistan trade monitoring agency

C. All Pakistan trade monitoring association

D. All Pakistan textile mill management authority

994. The substance that an enzyme acts upon is known as___________________?
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A. Mycotoxin

B. Substrate

C. Product

D. None of the above

995. Azolla which fixes nitrogen in rice field is__________________?
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A. None of the above

B. Ferm

C. Bacteria

D. Fungi

996. The deficient level of N(%) in plants suggested by various workers is_________________?
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A. <2%

B. 10%

D. <5%

997. The equipment used for separating, cleaning and grading small seeds from given sample is______________?
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A. Seed divider

B. a and b

C. Seed blower

D. Seed sorter

998. Allogamy leads to___________________?
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A. Heterozy gosity

B. Segregation

C. none of the above

D. Homozy gosity

999. One of the following insect act as a vector for CLCV________________?
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A. Aplud

B. Jassid

C. White fly

D. Heliothus

1000. Primary air polluted is________________?
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A. SO<sub>3</sub>

B. None

C. SO2

D. SO<sub>4</sub>

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