Select the odd letters from the given

Which one of the following is an animal-origin insecticide?

The mineral source of plant nutrient Boron whose deficiency leads to pollen sterility is 

Which enzyme produced by nitrogen-fixing bacteria is responsible for converting atmospheric nitrogen into ammonia?

When is World Wetland Day celebrated?

Central Institute of Fisheries Technology is located at

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

Which systemic fungicide is used as seed treatment to control loose smut disease of wheat?

Transpiration ratio of which of the following plants is observed to be the lowest? 

Which category includes crops like coriander, cumin, and carrot based on taxonomy?

What is the primary objective in the cotton ginning process?