Tissues — Science STD 9 — Question

Wax glands of honey bee are present in:

1. Queen
2. Drones
3. Workers
4. Both (a) and (c).

When an object moves with a constant acceleration, under the influence of force of gravitation of the earth only, the object is said to have:

Aleuroplasts in a cell store:

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

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

A cup of water holding a steel ball (m) is allowed all under gravity. The reaction between the ball and the base of the cup is:

Simple tissues are these:

Which of the following effect cannot be produced by an unbalanced force acting on a body?

Suman has two equal masses. He drops them from the same height. He can make one to reach the ground earlier than the other by altering the:

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.

Simple epithelium is a tissue in which cells are:

1. Hardened and provide support to organs.
2. Continuously dividing to provide to form an organ.
3. Cemented directly to one another to form a single layer.
4. Loosely connected to one another to form an irregular layer.