Who was the first female Chief Secretary of Maharashtra

The book "The one straw revolution" was written by

What is the term for a sudden and heritable change in the DNA sequence of an organism?

The alcohol (Ethanol) is used for the precipitation of 

The dry seeding of rice followed by supplemental irrigation during peak vegetative and reproductive phases is called as

The essential amino acid in short supply in cereals is:

Agartala is situated at an altitude of

Calculate the amount of atrazine (50% WP) in kg/ha, if the rate of application is 1.0 kg ai/ha.

A powerful chemical released when an allergen enters the body causing symptoms of allergy:

The yellow color in Onion is due to the pigment:

The seed requirement for taking up line sowing in samai is _________ kg/ha.