Question

(i) Which of the following gases blocks the oxygen binding capacity of haemoglobin?

(a) CO2 (b) CO (c) O2 (d) NO2

(ii) Air conditioners, refrigerators, aerosol sprays are the main source of

(a) Fly ash (b) SO2 (c) CFC (d) SPM

(iii) The gas which shields our earth from the harmful ultraviolet rays of the sun?

(a) CO (b) CO2 (c) O2 (d) O3

(iv) Which of the following is the natural cause of air pollution?

(a) Vehicular emission (b) Industrial emission

(c) Dust from dust storms (d) Burning of fuels like coal, wood

(v) ------------- present in the air may even interfere with the process of photosynthesis

(a) CFC (b) NO2 (c) SO2 (d) Fly ash .​

Answer 1

Answer:

1. b) CO
2. c) CFC
3. d) O3
4. c)Dust from dust storms

Answer 2

(i) Which of the following gases blocks the oxygen binding capacity of haemoglobin?