Which breeding technique involves crossing in isolation

Which of the following physiological growth stages of wheat crop is most susceptible to 2, 4-D? 

NADP-Me type C4 pathway is found in

In the ATP-driven proton potassium exchange mechanism, the H⁺ ions are formed due to dissociation of

Match the toxic compound  with respect to their plant source

The fundamental objective extension education is of

What is required in an organic crop production plan?

the National Academy of Agricultural Research and Management is  located at

The organelle responsible for protein synthesis in plant cells is the: 

Essentiality of which element is discovered by Arnon and Stout