Free Agronomy MCQs with Answers

312 Agronomy MCQs from Agriculture, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

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  • A. Pakistan Association of Research Centers
  • B. Pakistan Agricultural Research Council
  • C. Pakistan Academy of Resource Conservation
  • D. Pakistan Alliance for Rural Communities

Explanation: PARC is the Pakistan Agricultural Research Council, the national body that coordinates and supports agricultural research in Pakistan.

Correct answer: Pakistan Agricultural Research Council
  • A. National Association of Research Centers
  • B. National Alliance for Rural Communities
  • C. National Academy of Resource Conservation
  • D. National Agricultural Research Centre

Explanation: NARC stands for National Agricultural Research Centre, Pakistan’s major agricultural research centre located in Islamabad.

Correct answer: National Agricultural Research Centre
  • A. NH4
  • B. NO3
  • C. NO2
  • D. All of these

Explanation: Under submerged, oxygen-deficient soil conditions, nitrate is rapidly denitrified, whereas ammonium remains available to rice roots.

Correct answer: NH4
  • A. Rain Guage - For measuring rains
  • B. Wind Van - For finding out
  • C. wind direction
  • D. Sunshine - Bright sun-shine
  • E. Recorder hrs per day
  • F. Evaporimeter - Wind speed

Explanation: An evaporimeter measures evaporation or evaporative water loss, not wind speed.

Correct answer: Evaporimeter - Wind speed
  • A. Agrology
  • B. Hyetology
  • C. Agro-Ecology
  • D. None of the above

Explanation: Agro-ecology studies agricultural plants and production in relation to environmental factors such as climate and soil.

Correct answer: Agro-Ecology
  • A. Environment
  • B. Biodiversity
  • C. Ecotone
  • D. Both A & C

Explanation: The environment is the total set of living and non-living conditions surrounding organisms, including air, water, soil and other…

Correct answer: Environment
  • A. Agoun
  • B. Albinism
  • C. Acrodsome
  • D. None of these

Explanation: Albinism is the absence or severe deficiency of chlorophyll, causing plant tissues to appear white or abnormally pale.

Correct answer: Albinism
  • A. brought under range crops
  • B. Forests
  • C. None of the above
  • D. Both a & b

Explanation: Level and gently sloping land is generally suitable for cultivation, whereas range crops or forests are recommended for steeper or less…

Correct answer: None of the above
  • A. Nitrates, Phosphates
  • B. Calcium, magnesium
  • C. Amino acids
  • D. All of the above

Explanation: Potassium supports xylem transport and the translocation of several mineral nutrients and organic compounds.

Correct answer: All of the above
  • A. Latin word
  • B. Arabic word
  • C. French word
  • D. Both A & CSearch Public Records

Explanation: Silviculture comes from Latin: silva means forest and cultura means cultivation or management.

Correct answer: Latin word
  • A. English word
  • B. Latin word
  • C. French word
  • D. None of the above

Explanation: Forest comes from the Latin term forestis, associated with land outside cultivated areas or woods.

Correct answer: Latin word
  • A. Carbon chain length
  • B. Saponification
  • C. Iodine %
  • D. %age of erusic acidHire Grant Writers

Explanation: Drying capacity is related to the degree of unsaturation in an oil, commonly measured by its iodine value.

Correct answer: Iodine %
  • A. 12th May
  • B. None of the above
  • C. 22nd April
  • D. 11th June

Explanation: World Agriculture Day is observed on 11 June to highlight the importance of farming and agricultural development.

Correct answer: 11th June
  • A. Chasmophytes
  • B. Psammophytes
  • C. Lithophytes
  • D. None of these

Explanation: Psammophytes are plants adapted to sandy soils or sand dunes, often with roots and growth forms that help them survive shifting…

Correct answer: Psammophytes
  • A. Zink
  • B. Nitrogen
  • C. Oxygen
  • D. None of these

Explanation: Green manures are leguminous or other green plant material incorporated into soil, where decomposition adds organic nitrogen and improves…

Correct answer: Nitrogen
  • A. 3.5-4.5
  • B. 6-8.5
  • C. 5.5-7.5
  • D. None of these

Explanation: Maize grows best in a slightly acidic to neutral soil, approximately pH 5.5 to 7.5.

Correct answer: 5.5-7.5
  • A. Ca
  • B. P
  • C. S
  • D. Mg

Explanation: Magnesium is the central atom in the chlorophyll molecule, much as iron is central in haemoglobin.

Correct answer: Mg
  • A. Ca only
  • B. Both Ca & B
  • C. P only
  • D. B only

Explanation: Calcium and boron are generally immobile in plants, so deficiency symptoms first appear in young leaves and growing points.

Correct answer: Both Ca & B
  • A. Phosphorus
  • B. Zinc
  • C. Potassium
  • D. Mg

Explanation: Potassium regulates stomatal opening and closing, so it strongly controls the rate at which plants lose water through transpiration.

Correct answer: Potassium
  • A. Potash
  • B. Both a & c
  • C. Calcium
  • D. Nitrogen

Explanation: Nitrogen is mobile in the plant, so deficiency symptoms appear first in older lower leaves as yellowing, followed by stunted growth and…

Correct answer: Nitrogen

Agronomy MCQs: common questions

Are these Agronomy MCQs free?

Yes. All Agronomy MCQs from Agriculture are free on TestUstad, with unlimited attempts and no account needed. Nothing on this page is a sample or a trial.

How many Agronomy MCQs are on this page?

There are 312 Agronomy MCQs in the Agriculture bank, shown 20 to a page with the correct answer and an explanation on each.

Does every Agronomy MCQ have an explanation?

Yes. Each Agronomy question shows the correct option and a written explanation of why it is correct, so a wrong answer teaches you something rather than just being marked wrong.

Can I take a timed Agronomy test?

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