P-2 Life Processes in Living Organisms Part – 2 — Science STD 10 — Question

Fill in the blanks and explain the statements with reasoning:
If the height of the orbit of a satellite from the earth’s surface is increased, the tangential velocity of the satellite will ………………

What is an oxidising agent?

Choose the one term from the following which includes the other three:
broccoli, wild cabbage, cauliflower, cabbage

Name the defect of vision which makes the eye-lens cloudy resulting in blurred vision.

In dispersion of sunlight by a glass prism, which colour is deviated the least?

What change occurs in heart beats if a person runs for a while? Why?

Name an animal which depends on simple diffusion of gases for breathing.

State one test by which sodium chloride can be distinguished from sugar.

Why does carbon form compounds mainly by covalent bonding?

When a light ray travels obliquely from air to water, it bends………the normal at the point of incidence.