Author: Prof. Shafiq-ur-Rehman Khalil

A. Cystine
B. Cystein
C. Methionine
D. All of these

Submitted by: Shafiq Rehman

A. cm/s
B. s/cm
C. cm2
D. cm2/s

Submitted by: Shafiq Rehman

A. Predominantly in tetrahedral layer
B. Predominantly in octahedral layer
C. Both a & b
D. The statement is wrong

Submitted by: Shafiq Rehman

A. Clay content
B. Sodium content
C. Silt content
D. Both A & B

Submitted by: Shafiq Rehman

A. Area with in the roots
B. Root surface
C. An area of  soil in from root surface to 10 cm
D. An area of soil in immediate vicinity around root

Submitted by: Shafiq Rehman