Home
Class 12
BIOLOGY
Assertion: Suspended particulate matter(...

Assertion: Suspended particulate matter(SPM) is an important pollutant released by diesel vehicles.
Reason : Catalytic convertes greatly reduce pollution caused by automobiles.

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
B
Suspended particulate particle are those that have size less than 10 `le` cum released from automobiles and industries. It includes dust, mist, volcanoes etc.
Automobiles fitted with catalytic converter reduce the emissions of carbon monoxide, hydrocarbon that contribute photochemical smog.
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion (A): A Suspended Particulate Matter (SPM) is an important pollutant released by diesel vehicles. Reason (R): Catalytic converters greatly reduce pollution caused by automobiles.

Assertion : Catalytic converters must be used in cars. Reason : Catalytic converter helps to reduce the formation of acid rain.

What pollutants are released by motor vehicles? How can we minimize damage caused by them?

How do automobiles filled with catalytic converters reduce air pollution ? Suggest the best fuel for such vehicles.

Assertion : Biological control of pests is advantageous. Reason : It does not cause pollution .

With its very large population of vehicular traffic, Delhi is one of the most polluted cities of the world. Which of the following steps were taken by the government to reduce vehicular pollution in Delhi ? (i) Switching over the entire fleet of public transport i.e., buses, autorickshaws, from diesel to CNG (ii) Phasing out of old vehicles (iii) Use of unleaded petrol in vehicles (iv) Use of low sulphur petrol and diesel in vehicles (v) Use of catalytic converters in vehicles (vi) Application of stringent pollution level norms for vehicles such as Euro-II norms, etc.