Which of the following is the smallest order of class

Which of the following statement is correct about Certified seed? 

Which type of soil has swelling and shrinking property? 

Ginning term is related to which of the following crop?

'Zea Mays everta' is the botanical name of -

Riverine soil contributes to the total land area of the country…………………………

The particle size of "clay" is -

The period of life at which the reproductive organs first become functional is termed as ………………………….

A situation when the rainfall deficiency is 25% or more of long term average, it is classified as

Avikalin is a breed of -

Gully erosion is an advance stage of ?