Which method of irrigation is possible under the economical conditions of Pakistan ____?
A. Canal system
B. Modified basin system
C. Drip irrigation
D. All the above
Which layout is the most suitable for the uneven lands and sub mountain areas ________?
A. Hexagonal system
B. Contour system
C. Triangular system
D. Rectangular system
The most popular and common method of laying out orchard on flat ground is _______?
A. Triangular system
B. Rectangular system
C. Square system
D. Quincunx system
Planting distance of Falsa is __________?
A. 3.0m
B. 3.5m
C. 2.5m
D. 2.0m
How much of the earth surface is covered with water _______?
A. 65%
B. 70%
C. 80%
D. 40%
The optimum temperature for warm season crop is ______?
A. 25-35°C
B. 18-24°C
C. 20-25°C
D. 10-20°C
Tender crop cannot tolerate a minimum temperature of _____?
A. 0°C
B. -1°C
C. 1°C
D. 2°C
Optimum temperature, minimum temperature and maximum temperature are collectively called _____?
A. Absolute temperature
B. Cardinal temperature
C. Various temperature
D. All the above
Heat requirement to change 1 Kg of a substance at its boiling point from the liquid to vapour is called _______?
A. Heat of fusion
B. Heat energy
C. Heat of vaporization
D. Mechanical heat
Bunchy top disease of banana is ______?
A. Fungal disease
B. Viral disease
C. Bacterial disease
D. Nematode disease
