Anthropogenic Sources

Q.

The first atomic bomb was dropped on

1. Nagasaki

2. Hiroshima

3. Tokyo

4. Hong Kong

Q.

Briefly explain the two main sources of nuclear radiation.

Q.

Atomic bomb was used during World War II in

1. 1941

2. 1943

3. 1939

4. 1945

Q. Which of the following were released during accidental leakage in Chernobyl, the three-mile island?

1. Low-level radiations
2. Intermediate level radiation
3. High level radiation
4. No radiations were released

Q.

The first atomic bomb was dropped on

1. Nagasaki

2. Hiroshima

3. Tokyo

4. Hong Kong

Q. Nuclear explosion tests are dangerous because

1. Radiation leakage from nuclear reactors leads to increased radioactivity in the environment
2. All of these
3. Radionuclides are released in the atmosphere which spread over long distances by wind
4. Radionuclides enter the food chain via soil and water

Q. Regarding the assertion and reason, choose the correct option.
Assertion [A]: Nuclear explosions majorly increase background radiation levels in the world.
Reason [R]: Nuclear explosion results in the release of radionuclides which are long lived and remain suspended in the atmosphere.

1. Both A and R are true and R explains A
2. Both A and R are true, but R does not explain A
3. A is true and R is false
4. Both A and R are false

Q. Man-made sources of radiation pollution are

1. SO₂, SO₃

2. SO₂, CO

3. CO, NH₃

4. SO₂, NH₃

Q. Name two sources of radioactive pollution.

Q. Regarding the assertion and reason, choose the correct option.
Assertion [A]: Nuclear explosions majorly increase background radiation levels in the world.
Reason [R]: Nuclear explosion results in the release of radionuclides which are long lived and remain suspended in the atmosphere.

1. Both A and R are true and R explains A
2. Both A and R are true, but R does not explain A
3. A is true and R is false
4. Both A and R are false

Q.

Atomic bomb was used during World War II in

1. 1941

2. 1939

3. 1943

4. 1945