A. 10 mg L-1
B. 15 mg L-1
C. 20 mg L-1
D. None of the above
Related Mcqs:
- Liquid food drinking is_____________________?
A. Pinoeytosis
B. Phagocytosis
C. Imbibitions
D. None of the above - Boron concentration is irrigation water is considered safe only upto_________________?
A. 0.7 ppm
B. 1.5 ppm
C. 2 ppm
D. 3 ppm - The lower limit of available water is called ____________________?
A. Field capacity
B. Wilting point
C. Available water
D. Hygroscopic water - The tension of the water at the upper plastic limit is equivalent to pF value:
A. 1
B. 2
C. 2.5 – 3.5
D. 0.5Submitted by: Shafiq Rehman
- Main product of photosynthesis is_____________________?
A. C6H12O6
B. C12H24O12
C. C3H6O6
D. C5H12O6 - The molar mass of NaCl is_____________________?
A. 56.58
B. 43.28
C. 50.58
D. 58.58 - The chemical formula of Hematite is_____________________?
A. AL (OH)2
B. Fe2O3
C. Fe OOH
D. None of the above - The little clay mineral is_____________________?
A. Non-expending
B. Expending
C. None or little expending
D. None of the above - Sugar cane is_____________________?
A. C3 plant
B. C4 plant
C. C2 plant
D. None of the above - The exact formula for calculating the base saturation percentage is_____________________?
A. Bas saturation percentage = CA+Mg+Na / CEC x 100
B. Bas saturation percentage = /CEC / CA+Mg+Na x 100
C. Bas saturation percentage = /CEC / CA+Mg x 100
D. None of the above
Advertisement