Potassium (K) fixation capacity is maximum in:____________?

A. Vermiculite
B. Illite
C. Montmorillonitic
D. Amorphous clay

Submitted by: Shafiq Rehman

Related Mcqs:

Maximum fixation of K occurs:__________?
A. 1:1 clay mineral
B. 1:2 clay mineral
C. 2:1 clay mineral
D. 2:2 clay mineral

Submitted by: Mir Mehrbiyar
The plant in which CO2 fixation is solely via the Calvin cycle is_____________________?
A. C
B. CAB
C. C
D. CAM
Nitrogen fixation is accomplished by:_________?
A. Fungi
B. Bacteria from atmosphere
C. Plants
D. None of these

Submitted by: Mir Mehrbiyar
International atomic weight of potassium is_________________?
A. 39.0
B. 40.0
C. 41.0
D. 38.0
Phosphorus (P) is the second major nutrient essential for plant growth. With the exception of Nitrogen (N) and Potassium (K), Phosphorus is required by plants in_________?
A. Lesser quantities
B. Greater quantities
C. Not required
D. The above statement is wrong

Submitted by: Shafiq Rehman
Shelf life of banana at 20ºC in modified atmosphere with potassium permanganate is_____________________?
A. Upto 7 days
B. Upto 14 days
C. Upto 21 days
D. Upto 30 days
Potassium (K) occurs as a constituent of the earth’s crust in the proportion of_________?
A. 23 %
B. 2.3 %
C. 17 %
D. 1.7 %

Submitted by: Shafiq Rehman
Potassium nitrate is used in__________?
A. Medicine
B. Fertilizer
C. Salt
D. Glass

Submitted by: Farjan Ahmed Soomro
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 above

Submitted by: Shafiq-ur-Rehman
Water occupied the larger soil pores and moves down readily under the force of gravity. Water in excess of the field capacity is termed:
A. Capillary water
B. Hygroscopic water
C. Gravitational water
D. None of the above

Submitted by: Shafiq Rehman