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🔥 Nem Raj Sunda Complete Book Mock Test Series
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🚀 Agronomy Topic-wise MCQ for All Agriculture Exams - PDF Download
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Agronomy Objective Question & Answer [y]

Examups – Boost Your Exam Potential >> Agronomy MCQ>> Agronomy Objective Question & Answer [y]

Agronomy Objective Question & Answer [y]

Plant Nutrient most important Question & Answer [y]

This Questions are most important for ICAR-JRF, BHU, Pre-PG, NET, AO, AAO, IBPS-SO/AFO [y]

Q. 21. Which group is required for chlorophyll synthesis?

a) Mo, Ca
b) Ca, K
c) Cu, Ca
d) Fe, Mg

d) Fe, Mg

Q. 22. Which element is common to nucleic acids, phospholipids, ATP and ADP?

a) Ca
b) B
c) Zn
d) P

d) P

Q. 23. Which of the following are critical elements?

a) N, P, K
b) O, N, H
c) Zn, Fe, Cu
d) Cl, Fe, H

a) N, P, K

Q. 24. The formula for balanced salt solution of mineral elements for plant growth was given by ?

a) Knop
b) Hoagland
c) Watson
d) Hill

a) Knop

Q. 25. Deficiency of which element in soil causes chlorosis in plants ?

a) Iron
b) Magnesium
c) Carbon
d) Sodium

b) Magnesium

Q. 26. Total amount of water present in the soil is called ?

a) Combined water
b) Holard
c) Podsole
d) None of these

b) Holard

Q. 27. The smallest 3D volume of a soil needed to give full representation of horizontal variability of soil is termed as­

a) Solum
b) Gleys
c) Podsol
d) Pedon

d) Pedon

Q. 28. Formation of soil is known as­

a) Humification
b) Pedogenesis 
c) Sedimentation
d) All of these

b) Pedogenesis

Q. 29. The Planning Commission divided the country in how many agro climatic zones?

a) 8
b) 15
c) 20
d) 24

b) 15

Q. 30. Who among the following divided the world in 6 Biogeographical regions ?

a) Charles Darwin
b) Alfred Russel
c) Lamarck
d) Aristotle

b) Alfred Russel

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