Effects of Radiation Pollution

Q. What are the effects of radiation pollution?

1. Biological mutation
2. Improved eyesight
3. Cures diseases
4. Cancer

Q. Which of the following is a source of natural radiation?

1. Cosmic rays
2. Nuclear power plants
3. Mines
4. Nuclear weapon test labs

Q. What is the process by which a compound (usually a pesticide or a pollutant) increases its concentration in the tissues of an organism as it travels up the food chain called?

1. Biomagnification
2. Bioaccumulation
3. Food web transmission
4. Eutrophication

Q. Which of the following statements are true with reference to the Chernobyl disaster?

1. It occurred due to the explosion of a nuclear reactor in 1986.
2. The nuclear reactor exploded due to flawed design and negligence.
3. The area of impact was restricted to the Ukraine SSR.
4. The long-term effects of the disaster include cancer, disfigurement at birth, and blindness.

Q.

Biological magnification is the phenomenon of

1. Biodegradation of sewage waste

2. Increase in concentration of sewage in water

3. Increase in biological activity of micro-organisms

4. Increase in concentration of pesticides at successive trophic levels

Q. Radiation levels are transmitted from one level of food chain to another. A deer eating a plant in a radioactive contaminated region will pass on an increased level of radiation to a predator who eats the deer. What is the term given for such a phenomenon?

1. Bioaccumulation
2. Biomagnification
3. Eutrophication
4. Oligotrophication

Q. What are the effects of radiation on the human body?

1. Blindness
2. High metabolism
3. Cancer
4. Obesity
5. Muscular bodies
6. Disfigured birth
7. Burns
8. Sores
9. Nausea
10. Red lesions

Q. Soil contaminated with radiation is toxic and infertile.

1. True
2. False

Q. Burns, lesions, sores, disfigured births and cancer are all consequences of what?

1. Ozone depletion
2. Radioactive contamination
3. Greenhouse effect
4. Acid rain