71.
A man supplied excess fertilizer and water the grass well. After sometime the leaves turn brown because

72.
Fungi imperfecti includes in

73.
The number 32 in 12-32-16 represents

74.
Vector of citrus greening is

75.
Alcohol is a product of

76.
The smallest plant pathogenic agent is

77.
Ammonium nitrate contains

78.
Which of the following condition is suitable for denitrification?

79.
Chromosome number in oosphere is 8. The number in angiospermic endosperm shall be

80.
Which family of viruses includes the viruses that infects humans, insects and plants?