General Science - Single MCQs (Page 48)

Sponsored
Q471. The chief constituent of gobar gas is?...Q472. What is the function of a dynamo?...Q473. Which of the following acts as a resistance against disease in the body?...Q474. The chief purpose of crop rotation is to check the loss of topsoil?...Q475. All of the following are examples of chemical changes except the?...Q476. The greatest value of bees to mankind is in?...Q477. An electric bell is placed inside a bell jar which is connected to a vacuum pump...Q478. How can the spherical aberration of a human eye be corrected?...Q479. Astigmatism (for a human eye) can be emerging out of the drop?...Q480. Primary rainbow is formed when light suffers?...