What is sowing seed without any tillage of the soil called?
Correct answer C. Zero tillage
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Agronomy MCQs
Page 9 of Agronomy multiple-choice questions with answers. Tap an option to check yourself.
Page 9 of 15
What is the approximate carbon dioxide (CO2) content of air?
Correct answer B. 0.03%
Azolla, which fixes nitrogen in rice fields, is what kind of organism?
Correct answer B. Fern
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What does electrolyte leakage from seeds depend on?
Correct answer C. Both A and B
On what basis can the vigour index of rice seedlings be determined?
Correct answer C. Both A and B
High leachate conductivity is linked with which kind of seed?
Correct answer A. Immature seeds
What type of grain gives better crop establishment, especially in direct-seeded rice?
Correct answer A. High density grain
Where on the panicle are high-density grains mostly found?
Correct answer B. Top of the panicle
At what oven setting can the dormancy of rice seed be broken?
Correct answer C. 53 °C for 6 hours
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How is the genetic purity of seed determined?
Correct answer A. Grow out test
Who devised the formula for the coefficient of velocity of germination?
Correct answer A. Kotowski (1926)
Who devised the formula for mean germination time?
Correct answer D. Nichols & Heydecker (1968)
Who demonstrated a positive correlation between tetrazolium staining and seed quality in soybean?
Correct answer B. Barros et al. (1969)
Who described using tetrazolium to assess seed quality based on topographical staining patterns?
Correct answer D. Moore (1973)
In breeder seed production from nucleus seed, A and B lines are grown with 1 km isolation in which row ratio?
Correct answer A. 1:4
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What is the minimum number of plant progenies needed to produce nucleus seed in pulses?
Correct answer A. 500 plant progenies
In a farming system, what is the cultivation of two or more crops on the same land called?
Correct answer A. Multiple cropping
In which crop has the role of boron and zinc been specially recognised?
Correct answer C. Rice
A region receiving less than 10 inches of rain a year falls under which type of climate?
Correct answer B. Arid climate
What are plants that can tolerate drought called?
Correct answer C. Xerophytes