List of top Agronomy Questions on Dryland and Rainfed Farming Systems

Which one is not the correct ideotype for dryland farming?
Which of the following statements are correct for "Dryland agriculture"?

(A) Growing season in dryland agriculture is < 300 days.
(B) Rainfall should be < 1800 mm.
(C) Main constraints are wind and water erosion.
(D) Growing regions are mainly humid and tropical as well as uplands.

Choose the correct answer from the options given below:
The period of crop growing season in terms of weeks under rainfed condition is:
Match the following aridity classes with their index values (IMD classification):
A. Non-arid
B. Mild
C. Moderate
D. Severe
Match with the following index values:
I. 26-50
II. > 50
III. 0 or less
IV. 1-25
Choose the correct answer from the options given below:
The following are the types of drought:
A. Invisible drought
B. Contingent drought
C. Meteorological drought
D. Permanent drought
Choose the correct answer from the options given below:
Statement I: Plants can tolerate drought either by mitigating the actual stress or by showing a high degree of tolerance to stress.
Statement II: Plants tolerate the stress by showing resistance to dehydration and by preventing leaf collapse, permit the plants to maintain a high internal water potential in spite of drought conditions.
In light of the above statements, choose the correct answer from the options given below:
Assertion A: Break of monsoon at critical stages for soil moisture stress leads to reduction in yield.
Reason R: Only when the break of monsoon exceeds 15 days duration or more.
In light of the above statements, choose the correct answer from the options given below:
According to De Martonne's classification, match the following:
A. < 30
B. 20-30
C. 10-20
D. > 5
Match with the following vegetation conditions:
I. True desert
II. Dry steppe
III. Prairies
IV. Forest vegetation
Choose the correct answer from the options given below:
Match the following aridity classes with their index values (IMD classification):
A. Non-arid
B. Mild
C. Moderate
D. Severe
Match with the following index values:
I. 26-50
II. > 50
III. 0 or less
IV. 1-25
Choose the correct answer from the options given below:
The period of crop growing season in terms of weeks under rainfed condition is:
According to De Martonne's classification, match the following:
A. < 30
B. 20-30
C. 10-20
D. > 5
Match with the following vegetation conditions:
I. True desert
II. Dry steppe
III. Prairies
IV. Forest vegetation
Choose the correct answer from the options given below:
Assertion A: Break of monsoon at critical stages for soil moisture stress leads to reduction in yield.
Reason R: Only when the break of monsoon exceeds 15 days duration or more.
In light of the above statements, choose the correct answer from the options given below:
Statement I: Plants can tolerate drought either by mitigating the actual stress or by showing a high degree of tolerance to stress.
Statement II: Plants tolerate the stress by showing resistance to dehydration and by preventing leaf collapse, permit the plants to maintain a high internal water potential in spite of drought conditions.
In light of the above statements, choose the correct answer from the options given below:
The following are the types of drought:
A. Invisible drought
B. Contingent drought
C. Meteorological drought
D. Permanent drought
Choose the correct answer from the options given below: