The Fundamental Unit of Life — Science STD 9 — Question

Water stored in earthen pots become cool in summer because of:

One key function of nuclear pore is to

Which is the following is known as “physical basis of life”?

1. Gene.
2. Protoplasm.
3. Nucleolus.
4. Mitochondria.

Which taxonomic term may be substituted for any rank in the classification?

1. Class.
2. Genus.
3. Species.
4. Taxon.

What type of waves are generated by SONAR device fixed to a fishing ship?

1. Water waves.
2. Radio waves.
3. Sound waves.
4. Infrared waves.

The main source of food is/ are:

Out of the following, an example of matter which can be termed as fluid is:

1. Carbon.
2. Sulphur.
3. Oxygen.
4. Phosphorus.

Which one of the following set of phenomena would increase on raising the temperature?

1. Diffusion, evaporation, compression of gases.
2. Evaporation, compression of gases, solubility.
3. Evaporation, diffusion, expansion of gases.
4. Evaporation, solubility, diffusion, compression of gases.

The cell division is restricted to:

Jupiter has about 317 times more mass than Earth. What can you infer from this fact?