Improvement in Food Resources — Science STD 9 — Question

Intestine absorbs the digested food materials. What type of epithelial cells are responsible for that?

A car is accelerated on a leveled road and attains a velocity 4 times of its initial velocity. In this process the potential energy of the car:

Which flow chart correctly describes a homogeneous material?

An element has electronic configuration 2, 8, 4. It will be classified as:

The master mind of the cell is:

Fish is an important aquatic food which is rich in proteins. The act of capturing, preservation and utilization of fishes is called fish culture.
Among the following statements choose the option which does not describe the benefit of fish culture?

The unit of measuring momentum of a moving body is:

Molecules made up of two or more elements are called:

Sound travels the fastest in which medium?