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Which of the following isotpes is most d...

Which of the following isotpes is most dangerous to human beings ?

A

Phosphorus-32

B

Strontium-90

C

Caesium -137

D

Iodine-131

Text Solution

Verified by Experts

The correct Answer is:
B
Strontium-90 is a radioactive isotope of strontium produced by nuclear fission. Strontium-90 is very harmful to human beings. It get deposits in our bones and bone marrow, causing bone cancer and leukaemia.
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NCERT FINGERTIPS-ENVIRONMENTAL ISSUES-Environmental Issues
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  2. The effect of today's radioactive fallout will probably be more harmfu...

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  3. Which of the following isotpes is most dangerous to human beings ?

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  4. If there is no greenhouse effect, then the average temperature at surf...

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  5. Study carefully the following figure representing greenhouse effect. ...

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  6. Which of the following is correct for infrared radiations?

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  7. Given pie-diagram represents the relative contribution of various gree...

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  8. Given pie-diagram represents the relative contribution of various GHGs...

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  9. Read the given statements and select the correct option. Statement 1...

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  10. High concentration of greenhouse gases has resulted in maximum rise of...

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  11. Greenhouse effect is due to

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  12. Which of the following is correct regarding 'EI Nino' effect ?

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  13. Which of the following are the correct approaches to reduce global war...

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  14. Read the following statements and select the correct option. Stateme...

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  15. Ozone layer of upper atmosphere is being destroyed by

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  16. The major ozone depleting substance out of the following is

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  17. Ozone depletion is occurring widely in

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  18. Select the correct arrangement of the types of ultraviolet radiations ...

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  19. Which of the following can cause DNA damage and mutations in humans ?

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  20. Increasing skin cancer and high mutation rate are the result of

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