Work And Energy — Science STD 9 — Question

Osmosis is the diffusion of:

Avogadro number is the number of atoms present in exactly:

Which of the following statements is not true about an atom?

Wheat, gram and peas are examples of:

Which of the following have been artificially selected?

1. Cabbage
2. Cauliflower
3. Broccoli
4. All of these.

Largest blood cells are:

The smallest known cell is:

An object weighs 10N in air. When immersed fully in a liquid, it weighs only 8N. The weight of liquid displaced by the object will be:

1. 2N
2. 8N
3. 10N
4. 12N

SPM includes:

1. Flyash.
2. Dust.
3. Soot and smoke.
4. All the above.

Newton's third law: