Which of the following is the largest endocrine gland in human body?

Nilgai belongs to the following family 

A 40kVA transformer has core loss of 400 W & full load copper loss of 800 W. The proportion of full load at maximum efficiency is -

The metal having the lowest temperature coefficient of resistance is -

 What is the scientific name of ‘cow’?

______ is a strong drug that doctors give to people to make them calm or help them sleep.

Plants that grow in salt water are called?

The antigens for ABO and Rh blood groups are present on_____.