81.
Which pair is wrong?

82.
For the effective control of wilt, pigeonpea should be intercropped with

83.
The maximum fixation of K occurs

84.
Red drop discovered by Emerson is due to disruption of photochemical activity of

85.
The Karnal bunt of wheat is caused by

86.
Cell wall lack microorganism

87.
Fumarase changes fumaric acid into

88.
Kranz anatomy is typical of

89.
Citric acid cycle is the alternate name of

90.
The most conspicuous chemical change that take place when soil is flooded is reduction of