What will come in place of (?) in the given expression.

Nipping – the removal of apical bud of young plants, is done in which crop?

‘The law of limiting factors’ was proposed by

An allelochemical beneficial to releaser only is called:

COIR is obtained from the……………………………of Coconut

Cultivation of crops in regions receiving more than 1,150 mm annual rainfall is known as

The theory of vertical resistance and horizontal resistance was proposed by:

Who started to work on cereal rust in India?

Lactose can be manufactured from:

The favorable conditions for Photorespiration are :

Which of the following disease is caused by viroid