Force and Laws of Motion — Science STD 9 — Question

What is an example of Electric Energy

During respiration, glucose and oxygen enter our body cells and waste products carbon dioxide and water leave the body cells by the process of:

1. Effusion.
2. Osmosis.
3. Diffusion.
4. Plasmolysis.

Solid-gas colloid is:

If a displacement-time graph of an object is a straight line parallel to the time axis, the object is:

A man is standing on a platform of a balance and takes a quick step, then his weight:

The property of ultrasonic waves used in manufacturing emulsion for photographic films is its ________:

Match the atomic numbers 4, 14, 8, 15, and 19 with a non-metal of valency 4.

Cell inclusions are:

Is it possible to have an accelerated motion with a constant speed? Name such type of motion:

A homogenous mixture of two gases is: