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The toxic effect of carbon monoxide is d...

The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin as compared to oxygen approximately by

A

200 times

B

1000 times

C

2 times

D

20 times

Text Solution

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The correct Answer is:
A
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Carbon monoxide has greater affinity for haemoglobin as compared to oxygen :

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In the following question a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as : Assertion (A): Smoking increases the carbon monoxide (CO) content in the blood which has greater affinity to haemoglobin than oxygen. Reason (R) CO forms a stable bond with haemoglobin and does not allow binding of oxygen. It reduces concentration of haem bound oxygen and causes oxygen deficiency in the body.

AAKASH INSTITUTE-ENVIRONMENTAL ISSUES-ASSIGNMENT SECTION C
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  3. The toxic effect of carbon monoxide is due to its greater affinity for...

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  4. Which of the following is a secondary pollutant

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  5. Which one of the following is not correct with regard to the harmful e...

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  6. Which is the cause of damage to relative biological effectiveness:

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  7. The domestic sewage in large cities

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  8. Which among the following is likely to have the highest levels of DDT ...

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  9. Sounds above what level are considered hazardous noise pollution?

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  10. A disease caused by eating fish contaminated by industrial waste, cont...

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  11. When huge amount of sewage is dumped into a river the BOD will:

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  12. Taj mahal is threatened by pollution from

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  13. In Minamata Bay, Japan which of the following animals remained free f...

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  14. Which of the following isotopes is most dangerous to Homo sapiens?

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  15. Common indicator organism of water pollution is

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  16. Phosphate pollution is caused by

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  17. Minamata human disease is caused by pollution of water by

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  18. D.D.T. is

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  19. The maximum biomagnification would be in which of the following in cas...

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  20. What is B.O.D.:-

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