Pollution of air and water Worksheet-3

Pollution of air and water Worksheet-3

 

Multiple-Choice Question:

  1. Toxic and undesirable substances are produced as a result of the activities of ________.

(A) Urbanization                          (B) Excess use of fertilizers

(C) Both                                          (D) None

 

  1. Substances producing maximum pollution is-

(A) Gas               (B) Liquid          (C) Solid            (D) Radioactive

(E) All

 

  1. Dust  ash and minute fragments of metals present in air are called-

(A) Particulate matter                 (B) Suspended particulate matter

(C) Light weight pollutant          (D) None of these

 

  1. Which pollutant is result of agricultural practice-

(A) Carbon monoxide

(B) Pesticides

(C) Suspended particulate matter

(D) All

 

  1. A colourless, nonirritant, highly toxic gas that impairs respiration is-

(A) SO2               (B) NO2              (C) CO2              (D) CO

 

  1. Pollutant likely to deplete ozone layer is-

(A) CO                                             (B) Nitrogen oxides

(C) Chlorofluorocarbons            (D) Both b and C

 

  1. Bhopal gas tragedy was due to-

(A) Air pollution                           (B) Soil pollution

(C) Water pollution                     (D) None

 

  1. Acid rain is caused by-

(A) Excess production of coal gas

(B) Excess release of CO2 due to increasing combustion and respiration

(C) Excess release of SO2 and NO2 from burning fossil fuels

(D) Excess production of gaseous hydrocarbons

 

  1. Fertilizers, pesticides and insecticides may cause-

(A) Air pollution                           (B) Water pollution

(C) Both A and B                          (D) None

 

  1. In addition to SO2,  metals and textiles are damaged by-

(A) Nitrogen oxide                       (B) Fluorides

(C) Carbon monoxide                 (D) Aldehydes

 

Answer key:

  1. (C)

  2. (A)

  3. (B)

  4. (B)

  5. (D)

  6. (C)

  7. (A)

  8. (C)

  9. (C)

  10. (A)