TS EAMCET Medical 29 Sept 2020 Shift 1 Paper

Study the following statements and pick up the correct ones:
I. Carbon monoxide pollution affects the transport of CO2 by the blood.
II. Electrostatic precipitators are used to control the pollution of sulphur dioxide.
III. Nitrogen oxides combine with volatile organic compounds by the action of sunlight and foim secondary pollutants.
IV. Poisonous gas emissions of automobiles can be controlled by fitting catalytic converters.