The major source of foreign exchange earning is________________?
The major source of foreign exchange earning is________________?
A. Wheat
B. Sugarcane
C. Cotton
D. Jute
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The substance that an enzyme acts upon is known as___________________?
The substance that an enzyme acts upon is known as___________________?A. Product
B. Substrate
C. Mycotoxin
D. None of the aboveEC of saline soil is equal to or greater than________________?
EC of saline soil is equal to or greater than________________?A. 2
B. 3
C. 4
D non of theseMaize plant belong to_________?
Maize plant belong to_________?A. CAM
B. C3 plant
C. C4 plants
D. None of abovePlants which change from the vegetative to the reproductive stage by producing flowers and fruits when the day become longer is called________________?
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. PhototropismResistance of plants to living organism is called______________________?
Resistance of plants to living organism is called______________________?A. Abiotic resistance
B. Biotic resistance
C. Vertical resistance
D. Horizantal resistanceGrowing more then one crop in a season in the same land is called________________?
Growing more then one crop in a season in the same land is called________________?A. Monocropg
B. Double cropg
C. Intensive cropg
D. Intercropg