71.
Wilt of pigeonpea is caused by

72.
Protein for protein synthesis was given by

73.
Micronutrients are called micro, because they are

74.
In India the leaf rust of coffee was first time recorded in

75.
The 1st cloned plant toxin gene is

76.
Zinc is essential for

77.
Which one is the common product of born respiration and photosynthesis?

78.
Which one of the following microbial agents is being commercially exploited as biocontrol agent

79.
The carbon dioxide acceptor in Calvin cycle/C3-plants is

80.
Photorespiration occurs in