A person spends 25% of his income on house rent, 20% of

Which is the second-largest animal phylum?

What is the plant cell wall mainly composed of?

Which of the following is a major risk factor for developing cardiovascular disease?

Which one of the following is not associated with megasporangium ? 

Select the incorrect statement :

The rhythmic contraction of the muscles lining the gut to push food along is called:

Oxygen-rich blood from the lungs comes to the ______.

The substance that is usually lost by the body during dehydration is-

Myopia, a common eye defect, is also known as:

Altitude sickness is typically caused due to: