A. Cropping pattern
B. Cropping intensity
C. Cost benefit ratio
D. Cropping system
Agronomy
Accumulation of transported material A to B horizon is known as………………..?
A. Eluviation
B. llluviation
C. Alluviation
D. Deposition
Removal of cellular water followed by shrinkage of protoplasm is due to
A. Oxidation
B. Deplasmolysis
C. Osmosis
D. Plasmolysis
Geographical area of Pakistan in million hectare is……………?
A. 60
B. 80
C. 95
D. none of the above
The equipment used for separating, cleaning and grading small seeds from given sample is…………..?
A. Seed blower
B. Seed sorter
C. Seed divider
D. a and b
The enzyme responsible for biological nitrogen fixation is…………….?
A. Lipase
B. Nitrogenase
C. Isomerase
D. Kinease
The major source of foreign exchange earning is…………….?
A. Wheat
B. Sugarcane
C. Cotton
D. Jute
Green revolution came into being due to evolution of……………..?
A. Wheat varieties
B. Sugarcane varieties
C. Cotton varieties
D. All the above
Root nodules in plants help in……………….?
A. Photosynthesis
B. aeration
C. Nitrogen fixation
D. Respiration
Excess of nitrogen to plants causes……………..?
A. Delay in ripening
B. Delay in growth
C. Delay in germination
D. All the above