Health Hazards from Radiations

Q. Alpha particles have lower penetration power than beta particles.

1. True
2. False

Q.

Name the state where Narora nuclear power plant is located.

Q.

Indias first atomic power station is

1. BARC

2. Tarapur atomic power station

3. Narora atomic power station.

4. none of these

Q. In India, uranium is found in

1. U.P.
2. M.P.
3. Bihar
4. Orissa

Q.

Which of the following is a deadly poison?

1. O₃

2. O

3. CO₂

4. NO

Q. The disaster of Chernobyl and Fukushima happened due to

1. radioactive mining
2. cyclone
3. nuclear explosion

Q.

The effect of today's radioactive fallout problem will be expressed in the population after few generations because:

1. Mutated genes are frequently recessive

2. Infants are more susceptible to radiation

3. Susceptibility to radiation increases with age

4. Contamination of milk supply is not cumulative

Q.

What are X-rays best used for?

Q.

Frequent X-ray exposures may cause serious health hazards.

1. True

2. False

Q. Name the radiation which produces maximum biological damage (or severe genetic disorders). Give reason.

Q. India's first atomic power station is

1. BARC
2. Tarapur atomic power station
3. Narora atomic power station
4. none of these

Q. Regarding assertion and reason, choose the correct statement.
Assertion [A]: The damage caused inside the body from beta particles is lesser than that from the alpha particles of the same energy.
Reason [R]: Energy released by beta particles is absorbed by a larger volume of tissue because of their higher penetrating capacity, bringing comparatively smaller damages to that organ.

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

Q.

Define planks constant (definition ?)

Q.

The hydrogen bomb is based upon

1. nuclear fission

2. nuclear fusion

3. chemical reaction

4. none of these

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 R does not explain A
3. A is true and R is false
4. Both A and R are false

Q.

Radioactive pollution can cause:

1. Genetic mutations

2. Myopia

3. Hypermetropia

4. Infertility

Q. State whether true or false:
Alpha particles have lower penetration power than beta particles.

1. True
2. False

Q. 'Rem', the unit dose of Ionizing radiation, is an acronym where r stand for roentgen, e stands for equivalent. What does m stand for?

1. Mass
2. Man
3. Measure
4. Metre

Q. Which of the following element(s) is not essential for life to originate and flourish on a planet?

1. carbon
2. hydrogen and oxygen
3. nitrogen
4. uranium

Q. Which of the radioactive radiations :
(i) Can cause severe genetical disorders.
(ii) Are deflected by an electric field?

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

Q.

In between nuclear fission and fusion, which is more hazardous?

Q. Nuclear force is communicated from one nucleon to another via a particle called.

1. Pion
2. Kaon
3. Muon
4. Quark

Q.

Radioactive pollution can cause

1. Genetic mutations

2. Myopia

3. Hypermetropia

4. Infertility

Q. State whether true or false:
Alpha particles have lower penetration power than beta particles.

1. True
2. False

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

Q.

Radioactive wastes contribute to

1. Gene mutations

2. Cataracts

3. All of these

4. Allergy

Q.

The effect of today's radioactive fallout problem will be expressed in the population after few generations because:

1. Contamination of milk supply is not cumulative

2. Infants are more susceptible to radiation

3. Susceptibility to radiation increases with age

4. Mutated genes are frequently recessive

Q. Fill in the blank.

1. inhalation
2. ingestion
3. absorption
4. all of the above

Q. The effective area of a black body is 0.1 $m^2$ and its temperature is 1000 K. The amount of radiations emitted by it per min is -

1. 81 k-cal
2. 1.34 k-J.
3. 5.63 k-cal
4. 1.34 k-cal