81.
Magnesium is a component part of

82.
Direction of conduction of food through phloem is

83.
Tea rust is caused by

84.
When half the leaves are removed randomly, transpiration will show

85.
Sperm and egg nuclei fuse due to

86.
In 2005, which pathological scientist got Borlaug award

87.
A major use of embryo culture is in

88.
Amino acids are mostly synthesised from

89.
The chemical structure of chlorophyll a varies from chlorophyll b due to difference between

90.
The disease caused by Leptosphaeria sacchari in sugarcane is