General Knowledge Questions

In arc welding, Argon is used because of its

Chipko Movement is associated with

Compared with earlier presidents modern presidents are more involved in

Which motion has magnitude of static frictional force directly proportional to normal reaction?

In the following question, out of the four alternatives, choose the one which can be substituted for the given words/sentence.

A place for fish or water plants.

In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct.

1. Marine biology is the study of organisms in the ocean.
P. At a fundamental level, marine life helps determine the very nature of our planet.
Q. Marine life is a vast resource.
R. Shorelines are also shaped and protected by marine life.
S. Marine organisms contribute significantly to the oxygen cycle.
6. Marine biology covers a great deal, from the microscopic to the huge whales.

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

The accused said to the judge, "Let me meet my children before I die, sir."

Who discovered theory of relativity?