Which of the following pairs is

Stomatal closure occurs when leaf water potential approaches about:

Paraquat & Diquat belongs to which chemical group of herbicides:

Which mouth-part in the insect is initially used suck the liquids and break down the food into subgroups?

What is the primary purpose of the Polymerase Chain Reaction (PCR) technique?

Watershed is a –

Bunchy top of banana disease is transmitted by

The costs that have already been incurred and cannot be recovered are called ____

What is the purpose of callus initiation in plant tissue culture?

The important biological control insect for Parthenium hysterophorus in India is