GENERAL SCIENCE CLASS 8 MCQS

Infants (children) should be immunized with BCG (Bacille Calmette-Guerin) vaccines against:

1. Malaria
2. Tuberculosis
3. Measles
4. Hepatitis

MMR vaccines are given to children to develop resistance against:

1. Malaria
2. TB
3. Measles
4. Hepatitis

Which of the following disease can be treated by the use of vaccine:

1. Diabetes
2. AIDS
3. Cancer
4. Measles

The production of human growth hormone is used for the treatment of:

1. Dwarfism
2. AIDS
3. Cancer
4. Measles

The most dangerous type of pollution is:

1. Water Pollution
2. Air Pollution
3. Land Pollution
4. None

Which one of the following affects the photosynthesis and growth of plants:

1. Hydrogen
2. Oxygen
3. Nitrogen
4. Acid Rain

Following are the constituent of polluted air cause of Acid rain except:

1. Argon
2. Nitrogen
3. Sulphur dioxide
4. Oxygen

Which gas is produced when trees and fossil fuels are burnt:

1. Carbon monoxide
2. Carbon dioxide
3. Nitrogen oxide
4. Oxygen

Which gas among the following is a major greenhouse gas:

1. Carbon Dioxide
2. Nitrogen
3. Argon
4. Oxygen

The average temperature of the surface of the earth increases is known as:

1. Climate Change
2. Global Warming
3. Green House Effect
4. Ozone Depletion