What will come in the place of the question mark (?) in

Awned varieties give more yield under drought situations as compared to awnless varieties and the contribution of awns in photosynthesis to grain is 

A car when passes through a convex bridge exerts a force on it which is equal to-

Income effect is stronger than substitution effect for?  

What is the colustrum requirement for the new born calf on the basis of body weight         

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

Which of the following is an apex organization of marketing cooperatives for agricultural produce in India?

Which of the following is used as a purgative in animals?

Chhatri is a popular variety of_______ fruit crop.