agriculture MCQs – Page 177

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 Review each marked answer and report any item that may be outdated or unclear.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

3521. Main reason behind the shedding of flower in cotton is__________________?
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A. Cloudy day

B. High temperature

C. Low temperature

D. Humidity

3522. Dwarf varieties of wheat are more resistance to_______________?
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A. Insect pest

B. Lodging

C. Viruses

D. Disease

3523. Conducting experiments in glasses is called________________?
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A. In-sin

B. Invivo

C. Invitro

D. In-ova

3524. The amount of water required to rise a crop to matunty with in a given period of time is called________________?
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A. Water balance

B. Crop Water requirement

C. Water depletion

D. Water frequency

3525. The value of regression and correlation is the same when the correlation between two variables is_________________?
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A. Imperfect

B. Negative

C. Perfect

D. Positive

3526. A method of control of pests in which natural predators and parasites are used without causing serious adverse environmental side effects is called_________________?
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A. Chemical control

B. Allelopathy

C. IPM

D. Insect control

3527. Allelopathy is an important component in the development of future integrated strategies for____________?
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A. non of these

B. Soil management

C. Weed management

D. Water management

3528. The productive branches of cotton are called________________?
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A. Fruiting branches

B. Sympodial branches

C. Monopodial branches

D. non of these

3529. Plants which grow on dry region are____________________?
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A. Thermophytes

B. Xerophytes

C. Haplophytes

D. Hydrophytes

3530. genetic purity is assessed through________________?
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A. Germination

B. Inspection

C. Seed testing

D. All the a b c

3531. On the basis of yield of cotton per hectare which of the following country occupies second position______________?
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A. Turkey

B. non of these

C. Pakistan

D. China

3532. In wheat total crop P uptake per ton of gram is about;__________________?
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A. 5-7 Kg

B. 20-25 Kg

C. 5-20 Kg

D. 2-3Kg

3533. AZR1 is___________________?
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A. Attock Zonal research institute

B. None of the above

C. Agriculture zonal research institute

D. Arid zone research institute

3534. Gassypium barbadense was originated in__________________?
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A. Central and South America

B. Central and North America

C. Central and South Asia

D. North Mexico and North America

3535. Ratio of economic yield to biological yield expressed in percentage is called_______________?
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A. Dry matter

B. Total yield

C. Seed index

D. Harvest index

3536. Solar energy emitted by sun reaches the earth surface absorbed and returned back in the form of___________________?
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A. Infra red radiation

B. X rays

C. None of the above

D. Infra blue radiation

3537. Effects of allelopathic compound in the life cycle of plants cause inhibition of________________?
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A. non of these

B. seed germination

C. Seed swelling

D. Seed deterioration

3538. CCRI stands for_______________?
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A. Cotton crop research institute

B. Center for crop research institute

C. Central cotton research institute

D. non of these

3539. The seed dormancy of rice seed can be broken by putting into the oven at____________________?
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A. none of the above

B. 53c for 6 hrs

C. 45c for 6 hrs

D. 50c for 5 hrs

3540. A region with an annual rainfall less than 10 inches comes under_________________?
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A. And climate

B. Semi-and climate

C. None of the above

D. Wet climate

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