Red worms have a structure named ______ which helps them in grinding their food.

In biological terms, _______ is a relationship between two organisms in which one organism benefits and the other is unaffected.

Which organ stores fat soluble vitamins?

Xerophthalmia is caused due to the deficiency of vitamin ________.

The joint between vertebrae are formed:

According to food habit, what kind of teeth are present in human beings?

Which of the following dust causes lung cancer?

Which drug is used as a Blood Thinner?