When two unrelated individuals or lines are crossed,the performance of $F_1$ hybrid is often superior to both its parents. This phenomenon is called

Which of the following is the richest source of plant protein?

What is meant by 'hidden hunger'?

What are the components that cause damage to crops called?

Bombykol is a pheromone secreted by the body of........

Majority of people suffer from protein,vitamins and micronutrient deficiencies. Their food does not contain essential micronutrients specially:
$I$. iron
$II$. iodine
$III$. zinc
$IV$. vitamin-$A$
Which of the above are correct?