Pollution (Air and Noise) (Civil Engineering) - MCQs
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Q1. |
What type of noise can be abated by providing lining on walls and ceiling with sound absorbing materials ? |
- A. Source noise
- B. Reflection noise
- C. Structural noise
- D. Direct air -borne noise
Q2. |
Chlorophyll loss in green plants is called : |
- A. Necrosis
- B. Chlorosis
- C. Epinasty
- D. Abscission
Q3. |
Chlorophyll loss in green plants is called : |
- A. Necrosis
- B. Chlorosis
- C. Epinasty
- D. Abscission
Q4. |
Killing of tissue from air pollutants is called : |
- A. Necrosis
- B. Chlorosis
- C. Abscission
- D. Epinasty
Q5. |
Epinasty in leaves is due to : |
- A. downward curvature of leaves
- B. killing of tissues
- C. loss of chlorophyll
- D. all of the above
Q6. |
Carbon monoxide has more affinity with haemoglobin than oxygen for about : |
- A. 2000 times
- B. 100 times
- C. 200 times
- D. 20 times
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