A. Broad cast method
B. Drill method
C. Ridge sowing method
D. non of these
Agronomy
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
Breeder seed is the progeny of_____________________?
A. Certified seed
B. Nucleus seed
C. Foundation seed
D. Registered seed
In Pakistan, the total length of canal system exceeds________________?
A. 59000 Km
B. 52000 Km
C. 58000 Km
D. 60000 Km
CCRI stands for_______________?
A. Cotton crop research institute
B. Center for crop research institute
C. Central cotton research institute
D. non of these
Plants which grow on dry region are____________________?
A. Xerophytes
B. Thermophytes
C. Hydrophytes
D. Haplophytes
Critical factors for crop production is________________?
A. Land
B. Water
C. Pure seed
D. fertilizer
Plants which change from the vegetative to the reproductive stage by producing flowers and fruits when the day become longer is called________________?
A. Long day plants
B. Short day plants
C. Photoperiod
D. Phototropism
A condition of green plants in which they become unhealthy and pale fellow in colour is known as_________________?
A. Chromoplast
B. Leucoplast
C. Chlorosis
D. Chromoplast
The control and preservation of natural resources for present and future use is called_________________?
A. Sustainability
B. Conservation
C. Crop residue management
D. None of above
