Optimizing the use of farm resources on an individual

Phenol reacts with zinc dust gives:

Golden rice, which is genetically modified, is rich in:

Which of the following disease is not caused by nematode? 

The let-down of milk in cow is due to release of which of the following hormone? 

Which of the following mechanisms do not encourage cross pollination?

Which of the following crop is incorrectly matched with its water requirement?

Which of the following pulse crop does not fix nitrogen from the atmosphere easily?

Which of the following is NOT an objective of drip irrigation?

What gives red soil its characteristic color?

Which of the following method has highest water use efficiency?