Soil is a mixture of__________?
Soil is a mixture of__________?
A. Minerals And organic matter
B. Water
C. Air
D. All of the above
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In allogamous species, a true breeding line obtained by continuous inbreeding is__________________?
In allogamous species, a true breeding line obtained by continuous inbreeding is__________________?A. Hybrid
B. Top cross
C. Poly cross
D. InbredIn cation exchange, 18 mg of Ammonium ion can be exchanged for__________?
In cation exchange, 18 mg of Ammonium ion can be exchanged for__________?A. 40 mg of Ca
B. 46 mg of Na
C. 6 mg of Al
D. 12 mg of mgAbnormal cell with random number of chromosomes is__________________?
Abnormal cell with random number of chromosomes is__________________?A. Annapolis
B. Polyploidy
C. Heterckaryotic
D. HaploidThe act of giving birth to young one is called _____________________?
The act of giving birth to young one is called _____________________?A. Ovulation
B. Fertilization
C. Conception
D. ParturitionPotassium plays a significant role in the transport of water & nutrients through the plant in the xylem. When the supply of K is reduced, the transportation of ___________________ is depressed:
Potassium plays a significant role in the transport of water & nutrients through the plant in the xylem. When the supply of K is reduced, the transportation of ___________________ is depressed:A. Nitrates, Phosphates
B. Calcium, magnesium
C. Amino acids
D. All of the aboveThe nutrient particularly influencing root growth is___________________?
The nutrient particularly influencing root growth is___________________?A. Zinc
B. Nitrogen
C. Organic
D. Phosphorus