How CO emitted by automobiles prevents transport of O2 in the body tissues?

Related Mcqs:

1. Nitrogen oxides produced from the emission of automobiles and power plants, are the source of fine air borne particles which lead to:

   A. Photochemical smog
   B. Dry acid deposition
   C. Industrial smog
   D. Wet acid deposition

2. Which of the following prevents afforestation in deserts:

   A. Goat and grazing animals
   B. Local resident
   C. Unfertility of soil
   D. Low rainfall

3. Mechanical tissues and xylem are highly reduced in Hydrilla because:

   A. Water provides the support and there is no problem for the absorption and conduction of water
   B. Otherwise the weight of these tissues would drown the plant
   C. Of the anaerobic conditions created by submergence
   D. Otherwise translocation of food would have been interrupted

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

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

5. Which of the following is likely to have the highest level of DDT deposition in its body?

   A. Eel
   B. Crab
   C. Sea gull
   D. Phytoplanktons

6. Of the total body weight of the organism, water constitutes about:

   A. 50% to 80%
   B. 40% to 60%
   C. 70 to 90%
   D. 80% to 90%

7. What is the intensity of sound in normal conversation?

   A. 10-20 dB
   B. 40-60 dB
   C. 90-12 dB
   D. 120-150 dB

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

   A. P32
   B. Sr90
   C. Cs137
   D. I131

9. The air pollution caused by phosphate fertilizer factories is due to:The air pollution caused by phosphate fertilizer factories is due to:

   A. Phosphene
   B. SiF4
   C. Dust
   D. Halogens

10. The atmospheric UV radiations are absorbed in the zone called:

    A. Troposphere
    B. Stratosphere
    C. Mesosphere
    D. Thermosphere