Frank solutions for बायोलॉजी पार्ट २ [इंग्रजी] इयत्ता १० आयएससी chapter 18 - Effects of Pollution [Latest edition]

Attack of asthma in may be due to ______.

Acid rain is caused by increase in the atmospheric concentration of ______.

Ozone layer of upper atmosphere is being destroyed by ______.

The UV radiations in the stratosphere are absorbed by ______.

Dysentery spreads due to ______.

Disease caused by eating fish inhabiting mercury contaminated water is ______.

Fluoride pollution mainly affects ______.

Increased skin cancer and high mutation rate are the results of ______.

Assertion (A): Air pollutants are either gaseous or particulate.

Reason (R): Catalytic converters greatly reduce emission from dieselvehicle.

Assertion (A): Suspended particulate matter (SPM) is an important pollutant released by diesel vehicles.

Reason (R): Catalytic converters greatly reduce pollution caused by automobiles.

Assertion (A): Water pollution tends to cause cholera, typhoid and jaundice.

Reason (R): Sewage may contain bacteria, viruses, fungi and parasites.

Assertion (A): Water contaminated with sewage may contain bacteria, viruses, fungi, and parasites.

Reason (R): It causes diseases like cholera, typhoid and jaundice.

Assertion (A): Inhabitants close to busy airports are likely to experience health hazards.

Reason (R): Sound levels of jet planes usually exceed 150 dB.

Assertion (A): Indices of water pollution are lichens.

Reason (R): Lichens growth is greatly inhibited by the water pollutants.

Assertion (A): Biodegradable materials are harmful to the environment.

Reason (R): Biodegradable materials take a long time to decompose and can cause pollution if not disposed of properly.

Name the following:

Disease caused due to inhalation of silicon or silicon dioxide.

Name the following:

The phenomenon of reduction in the amount of ozone in the environment.

Name the following:

Pollution in which pollutants get concentrated in food chain.

Name the following:

Two diseases caused by water pollution.

Name the following:

The metal responsible for Minamata disease.

Cholera is a ______ disease.

Another name of blue body is ______.

Exposure of UV rays causes ______.

______ is mainly responsible for damaging of ozone layer.

Define Eutrophication.

Define the following term:

Biomagnification

Name five effects of pollution on environment.

Name five diseases caused by air pollution.

In what ways can air pollution adversely affect human health?

What is greenhouse effect?

Name three green house gases.

What is meant by Ozone layer depletion?

What are the adverse effects of sulphur dioxide on the environment?

What are the adverse effects of carbon dioxide on the environment?

Give the advantages of ozone gas.

Give the disadvantages of ozone gas.

Name two long lasting and toxic water pollutants.

What are some health hazards caused by water-borne diseases?

Name some metals that are injurious to human health.

What are the consequences of soil erosion?

What are the consequences of noise pollution?

Name some diseases caused by water pollution.

What is biological magnification?

What is eutrophication?

What are the effects of eutrophication?

What are occupational hazards?

Carbon monoxide is dangerous when inhaled in excess. Comment on the statement.

Excessive use of fertilisers in agricultural fields reduces the yield of crops. Justify the statement.

Name two harmful effects of noise pollution.

Given below is a representation of a type pollution. Study the picture and answer the questions:

1. Name the type of pollution shown in the picture
2. Name one source of this pollution.
3. How does this pollution affect human health?
4. Write one measure to reduce this pollution.
5. State one gaseous compound that leads to the depletion of the ozone layer and creates ‘Ozone holes’.