Is Matter Around Us Pure ? — Science STD 9 — Question

Which out of the following is not a function of vacuole?

On converting 308K, 329K and 391K to Celsius scale, the correct sequence of temperatures will be:

1. 33°C, 56°C and 118°C
2. 35°C, 56°C and 119°C
3. 35°C, 56°C and 118°C
4. 56°C, 119°C and 35°C

Which scientist was the first to observe red blood cells in humans and other animals?

An organism having some characteristics of plant and animal kingdom is:

This subatomic particle of an atom has a POSITIVE charge.

Which one of the following energies cannot be possessed by a body at rest?

Molecular formula of potassium nitrate is:

The sound propagates in a gaseous medium by:

Natural system of classification employs:

1. Compleify of cell structure.
2. Complexity of body structure.
3. Organisation.
4. All the above.