The Escape velocity at the Earth's surface is:

What is meant by "Net Zero"?

Arrange the following Indian satellites in the correct chronological order of their launch.

(A) Aryabhatta

(B) GSAT-1

(C) IRS-1A

(D) Bhaskara-1

Choose the correct answer from the options given below:

Match List - I with List - II.

Choose the most appropriate answer from the options given below:

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A): Earth is the only planet known to have life.

Reason (R): Earth has an atmosphere which is a mixture of Oxygen, Nitrogen and Carbon dioxide.

In the light of the above statements, choose the most appropriate answer from the options given below:

Which of the following are "unicellular" organisms?

(A) Plasmodium

(B) Protoza

(C) Spirogyra

(D) Leishmania

Choose the correct answer from the options given below:

Identify the incorrect one: