Home
Class 11
BIOLOGY
(i) Cadmium is a non-degradable pollutan...

(i) Cadmium is a non-degradable pollutant.
(ii) Carbon monoxide is a major component of a Automobile exhaust.
(iii) Catalytic converter reduce release of industrial pollutants.
(iv) According to USEPA, there is a direct link between noise and harm .

A

iii

B

i and iv

C

ii and iii

D

iv

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Which of the following are true ? (i) Benzene hexachloride is a non biodegradable pollutant. (ii) Anthropogenic air pollutants are natural in origin. (iii) Carbon monoxide is a primary air pollutant. (iv) Sulphur dioxide causes brown air effect during traffic congestion in cities .

Read the following statements carefully. (i) An electrostatic precipitator removes particulate matter by imposing negative charge on them. (ii) Catalytic converters convert unburnt hydrocarbons into CO_(2) and water. (iii) Peroxyacyl nitrates (PAN) is a secondary pollutant. (iv) DDT is a non-biodegradable pollutant. Which of the above statements are incorrect ?

Study the following statements regarding acid rain and select the incorrect ones. (i) Acid rain refers to the rainfall and other forms of precipitation with a pH of less than 5. (ii) Oxides of sulphur and nitrogen are released from automobile exhausts, industries , power plants, etc. (iii) These oxides of sulphur and nitrogen, may react with water in the air and form sulphuric acid (H_(2)SO_(4)) and nitric acid (HNO_(3)) . (iv) Acid rain has harmful effects on animals and human beings but no characteristic impact on plants.

Read the following statements regarding particulate matter and select the incoorect ones. (i) Particulate matter (PM) consists of shoot, flyash, dust, spores, pollen grains, etc. (ii) Particulate matter is differentiated into settleable (larger than 10 mu m , remaining in air for less than one day) and suspended (less than 10 mu m remaining in air for more than one day to several weeks ) particulate matter. (iii) SPM (Suspended particulate matter ) consists of aerosol, dust and mist. (iv) Particulate matter causes respiratory diseases such as tuberculosis, allergy and many more diseases in animals and plants. (v) According to Central Pollution Control Board (CPCB), particulate size of 2.5 mu m or less in diameter are responsible for causing the greatest harm to human health.

Match column I with column II and select the correct option from the given codes. {:("Column I", "Column II"),("Catalytic converter", (i)"Used in industries and power plants"),("Electrostatic precipitator", (ii) "Used in automobiles"),("Earmuffs", (iii)"High noise level"),("Land fils", (iv) "Solid wastes"):}