Gravitation — Science STD 9 — Question

The evaporation of water increases under the following conditions:

The total force exerted by a body perpendicular to a surface is called.

From the following statements find the one that is NOT correct :

Rutherford's alpha Scattering experiment showed that:

Force exerted is:

Animal husbandry is the scientific management of:

1. Animal breeding.
2. Culture of animals.
3. Animal livestock.
4. Rearing of animals.

1. (i), (ii) and (iii)
2. (ii), (iii) and (iv)
3. (i), (ii) and (iv)
4. (i), (iii) and (iv)

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

Molecular mass is defined as the:

Which of the following is not a cell?

Air is:

1. God conductor of heat.
2. Bad conductor of heat.
3. Neither good or bad conductor of heat.
4. Sometimes good and sometimes bad conductor of heat.