Plants uptake their nutrients from____________________?
Plants uptake their nutrients from____________________? A. Air B. Water C. SoD. All the above
Plants uptake their nutrients from____________________? A. Air B. Water C. SoD. All the above
Generally field crops are cultivated at altitude__________________? A. 20004000 ft B. 0008000 ft C. 1200014000 ftD. 02000 ft
The condition of drying of plant parts due to lack of water is called__________________? A. Water stress B. DroughtC. Wilting D. None of the above
Due to phosphorus deficiency in plants____________________? A. Roots do not develop properly B. Plants mature late C. Poor flowering and fruil selling occursD. All the above
the layer of atmosphere which blocks ultraviolet radiation from sun is___________________? A. StratosphereB. Ozone C. Ozosphere D. All the above
Partially decomposed organic matter is termed as___________________? A. Humus B. Farm yard manureC. Composet D. All the above
Narcotic crops mainly grown in Pakistan is_________________? A. Pyrethrum B. CoconC. Tobacco D. Co see
Highly decomposed stage of organic matter is called_______________? A. Cellulose B. Organic acidC. Humus D. All the above
Cultivation of same crop year after year is called________________? A. Single cropgB. Monocropg C. Double, cropg D. All the above
The oxygen concentration in the air is________________? A. 30%B. 21% C. 16% D. 45%