Which one of the following is NOT a pressure

Which one the following statement is correct related to drip Irrigation? 

Arabian Jasmine (mallige) species is 

Given below are two statements 

Which process describes the mixing of soil by earthworms?

The pink bollworm is a serious pest of which of the following? 

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Scientific name of tobacco caterpillar is -

‘Allahabad Safeda’ is the variety of: 

What is the maturity indicator in groundnut, which is used to decide a perfect stage of harvesting ?

The credit of making Historia naturalis goes to