Agronomy Daily MCQ – 22

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Q.1: For each unit increase in pH, the concentration of Mn2– decreases by __ folds.?

1. 50.0
2. 100.0
3. 150.0
4. 200.0

Q.2: According to CRIDA classification of Tillage, Deep tillage depth is?

1. 15-20 cm
2. 20-30cm
3. 25-50 cm
4. 50-60cm

Q.3: Which potential is not calculated for soil water?

1. Matric potential
2. Turgor potential
3. Pressure potential
4. Gravity potential

Q.4: Silicon is the ___ most abundant element in the earth’s crust. ?

1. Third
2. Fourth
3. Sixth
4. Second

Q.5: One of the principles of conservation agriculture is?

1. Ensure good germination through proper tilt
2. Minimum 30% of crop residue to be retained
3. Minimum 30% of the land must be covered with crop residue
4. Drip irrigation should be used to conserve water

Q.6: If all values are –ve then S.D. will be?

1. –ve
2. +ve
3. undefined

Q.7: The scientific study of relationship between soil and living things are termed as?

1. Edhaphology
2. Pedology
3. Mineralogy
4. None of the above

Q.8: Daidzein present in?

1. Maize
2. Wheat
3. Rice
4. Soybean

Q.9: IRGA stands for?

1. Integrated Radio GigerAparatus
2. Isotope Releasing Gas Adsorption
3. Infra-Red Gas Analyser
4. Indol Reaction gravity analyser

Q.10: Non govt. portal is ?

1. ikisan
2. Farmers portal
3. mkisan
4. None of the above

Agronomy Daily MCQ – 22

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