The radioactive fall out contaminates:

Related Mcqs:

1. Through food chain radioactive Sr (Sr90) is deposited in which part of human body?

   A. Kidneys
   B. Thyroid
   C. Bones
   D. Muscles

2. The following radioactive isotopes are formed by nuclear fission:

   A. Sr90, I131
   B. Cr51, Cu64
   C. Zr95, Mn54
   D. All of these

3. The effect of today’s radioactive fallout will probably be more harmful to children of future generations than to children now living because:

   A. Contamination of milk supply is not cumulative
   B. Infants are more susceptible to radiation
   C. Susceptibility to radiation increases with age
   D. Mutated genes are frequently recessive

4. Protective operations fall under the main heads of:

   A. Preventive
   B. Remedial measures
   C. Both (a) & (b)
   D. None of these

5. Soil erosion in plains consequent to rain fall is initiated by:

   A. Rill erosion
   B. Sheet erosion
   C. Gully erosion
   D. All of these

6. The use DDT is banned now a days because it is:

   A. Very costly
   B. Not available
   C. Inflammable
   D. Not degraded easily

7. In Minimata Bay, Japan, which of the following animals remained free from Minimata disease?

   A. Dogs
   B. Pigs
   C. Cats
   D. Rabbits

8. The first international conference for globalizing the environmental problems ws held at:

   A. Stockholm
   B. Paris
   C. London
   D. Tokyo

9. The photochemical smog was first seen in the year:

   A. 1933
   B. 1943
   C. 1953
   D. 1963

10. Which of the following is not a commonly used pesticide?

    A. Aldrin
    B. Lindane
    C. Chlordane
    D. Chloremphenicol