In Pakistan, the total length of canal system exceeds ____?
A. 59000 Km
B. 52000 Km
C. 58000 Km
D. 60000 Km
Number of crops grown on the same piece of land in a year and expressed in percentage is known as ____?
A. Cropping pattern
B. Cropping index
C. Crop rotation
D. Cropping intensity
The transport of a substance across a biological membrane against a concentration gradient is called ______?
A. Passive transport
B. Active transport
C. Absorption
D. Dissolution
A method of control of pests in which natural predators and parasites are used without causing serious adverse environmental side effects is called _____?
A. IPM
B. Allelopathy
C. Insect control
D. Chemical control
Use of tetrazolium staining for assessment of seed quality was suggested by ___?
A. Woodstock (1973)
B. Moore (1973)
C. Maguire (1962)
D. Germ (1950)
Progeny of nucleus seed is called ______?
A. Basic seed
B. Breeder seed
C. Foundation seed
D. All the above
Water courses are lined to avoid _____?
A. Transpiration
B. Evaporation
C. Seepage
D. Erosion
The herb plants have ______?
A. Woody stem
B. Non-woody stem
C. Trunk
D. All the above
The best soil for cotton cultivation is _____?
A. Sandy soil
B. Loamy soil
C. Silty soil
D. Clay loam soil
The crop which are cultivated for grain purposes are called _____?
A. Fodder crops
B. Cereal crops
C. Fiber crops
D. Leguminous crops
