Agriculture MCQs

2794 MCQs  (Page 254 of 280)

Which element is known as chemical police man of plant?
A. Magnesium
B. Phosphorus
C. Potassium
D. All of the above
Specific heat is higher in:
A. Clay
B. Humus
C. Both a & b
D. Only clay
Which element is found highest in earth crust?
A. Aluminum
B. Silicon
C. Sodium
D. None of the above
Available water is held between?
A. Field capacity to super available water
B. Only field capacity
C. Field capacity to wilting point
D. All of the above