81.
Plants purify air during

82.
Select the disease in which small droplets of pinks or light honey coloured fluid (the honeydew stage) exudes from the spikelets

83.
Tick out the weed fungi for lab

84.
Aspergillus niger test is used for

85.
In the process of respiration in plants 180 g of glucose plus 192 g of oxygen produce

86.
Cofactor required for formation of acetyl CoA is

87.
A bacteria which have a large number of flagella all over the cell is categorized in

88.
Pigment acting as a reaction centre during photosynthesis is

89.
Which of these is a complete stem parasite?

90.
The causal organism of bunt of rice is