Generally field crops are cultivated at altitude__________________?
A. 20004000 ft
B. 0008000 ft
C. 1200014000 ft
D. 02000 ft
Month: March 2019
The condition of drying of plant parts due to lack of water is called__________________?
The condition of drying of plant parts due to lack of water is called__________________?
A. Water stress
B. Drought
C. Wilting
D. None of the above
Due to phosphorus deficiency in plants____________________?
Due to phosphorus deficiency in plants____________________?
A. Roots do not develop properly
B. Plants mature late
C. Poor flowering and fruil selling occurs
D. All the above
the layer of atmosphere which blocks ultraviolet radiation from sun is___________________?
the layer of atmosphere which blocks ultraviolet radiation from sun is___________________?
A. Stratosphere
B. Ozone
C. Ozosphere
D. All the above
Partially decomposed organic matter is termed as___________________?
Partially decomposed organic matter is termed as___________________?
A. Humus
B. Farm yard manure
C. Composet
D. All the above
Narcotic crops mainly grown in Pakistan is_________________?
Narcotic crops mainly grown in Pakistan is_________________?
A. Pyrethrum
B. Cocon
C. Tobacco
D. Co see
Highly decomposed stage of organic matter is called_______________?
Highly decomposed stage of organic matter is called_______________?
A. Cellulose
B. Organic acid
C. Humus
D. All the above
Cultivation of same crop year after year is called________________?
Cultivation of same crop year after year is called________________?
A. Single cropg
B. Monocropg
C. Double, cropg
D. All the above
The oxygen concentration in the air is________________?
The oxygen concentration in the air is________________?
A. 30%
B. 21%
C. 16%
D. 45%
Air contains___________________?
Air contains___________________?
A. 70% nitrogen
B. 50% nitrogen
C. 78% nitrogen
D. None of the above