1. Which of the following pollutants affects the respiratory tract in humans?
(A) Carbon monoxide
(B) Nitric oxide
(C) Sulphur di-oxide
(D) Aerosols



2. Which of the following pollutants is not emitted from the transport sector?
(A) Oxides of nitrogen
(B) Chlorofluorocarbons
(C) Carbon monoxide
(D) Poly aromatic hydrocarbons



3. Which of the following sources of energy has the maximum potential in India?
(A) Solar energy
(B) Wind energy
(C) Ocean thermal energy
(D) Tidal energy



4. Which of the following is not a source of pollution in soil?
(A) Transport sector
(B) Agriculture sector
(C) Thermal power plants
(D) Hydropower plants



5. Which of the following is not a natural hazard?
(A) Earthquake
(B) Tsunami
(C) Flash floods
(D) Nuclear accident



6. Ecological footprint represents
(A) Area of productive land and water to meet the resources requirement
(B) Energy consumption
(C) CO2 emissions per person
(D) Forest cover