Agronomy Daily MCQ – 23
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Q.1: What is the estimated extent of salt affected soils in India?
- 5.42 mha
- 7.42 mha
- 11.42 mha
- 17.42 mha
Q.2: The “La Nina” generally?
- Increases the monsoon rainfall in India
- Decreases the monsoon rainfall in India
- Increases the length of dry spells
- All of the above
Q.3: Mineralization of soil phosphorus from organic matter of crop residues is dependent on soil __ activity.?
- Chemical
- Physical
- Physico-Chemical
- Biological
Q.4: As per principles of crop rotation pulses should be included in rotation because?
- Increase total pulse production
- Release land quickly for the second crop
- Help in maintenance of soil fertility
- Increase the yield of succeeding cereal crop
Q.5: Which one is the American cotton?
- Gossypiumarboreum
- Gossypiumherbaceum
- Gossypiumhirsutum
- Gossypiumbarbadense
Q.6: The effect of LGLL (Laser Guided Land Leveling) lasts for?
- 1-2 yrs
- 2-3 yrs
- 3-6 yrs
- 4-9 yrs
Q.7: pH change from 9 to 6, the H ion concentration will?
- increase 100 times
- increase by 1000 times
- decrease by 1000 times
- no net change
Q.8: IIPR is situated in?
- Kanpur
- Jhansi
- Bengaluru
- Chennai
Q.9: ISA established in the year ?
- 1905
- 1929
- 1955
- 1985
Q.10: The Law of Optima was proposed by?
- Libeig
- Blackman
- Misterlich
- Macy
Agronomy Daily MCQ – 23
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