Biology
Name the following pollutants:
(i) A pollutant which is mainly responsible for causing acid rain.
(ii) Any two chemicals leading to the formation of ozone holes.
Related Questions
The energy content of X-rays is usually measured in:
- Proton
- Protium
- Photon
- None of these
Which of the following is a radioactive pollutant ?
- Iodine-131
- Iodine-113
- Iodine-313
- Cobalt-16
Match the items in column I with the closely related ones in column II.
Column I Column II (i) Chlorofluocarbons (CFCs) (a) Global warming (ii) Flyash (b) Biodegradable (iii) Cow dung (c) Nuclear radiation pollutant (iv) CO2 and methane (d) Acid rain (v) Sulphur dioxide (e) Industrial waste (vi) Iodine - 131 (f) Ozone depletion Fill in the blanks:
(i) Rubber particles and dust raised by running motor vehicles are examples of …………… pollutants.
(ii) Too frequent exposure to …………… in a medical diagnostic technique may damage chromosomes.
(iii) Thermal power plants give out a lot of …………… waste water.
(iv) Sewage is a liquid waste from ……………