Chapter 7: Man Impact on Ecosystem - Science Mcqs for Grade 8

1.

The dodo became extinct in

A. 1681

B. 1961

C. 1896

D. 1861

Answer & Solution Discuss in Board

2.

Smoke particles and harmful gases released in air produces a

A. smoke

B. haze

C. fog

D. smog

Answer & Solution Discuss in Board

3.

Environment can be kept clean and green by using

A. less energy

B. environment friendly technology

C. protecting wildlife

D. all of them

Answer & Solution Discuss in Board

4.

Fertilizers supports growth of

A. algae

B. fruit plants

C. vines

D. pines

Answer & Solution Discuss in Board

5.

If untreated waste water will be directly spill in to rivers, sea and lakes it may

A. contaminate

B. polluted

C. spread diseases

D. all of them

Answer & Solution Discuss in Board

6.

When forests are cleared on a very large scale by cutting or burning them down it is

A. forestation

B. deforestation

C. plantation

D. incantation

Answer & Solution Discuss in Board

7.

Global warming refers to

A. drastic changes in climate

B. everywhere will be hot climate

C. everywhere will be freezing

D. some warmer other colder

Answer & Solution Discuss in Board

8.

Sharks are hunted to create delicacy in Chinese cuisine by its

A. jaws

B. fins

C. eyes

D. tail

Answer & Solution Discuss in Board

9.

People should be banned to hunt in forest or collect wild plants to ensure protection of

A. wild life

B. ecosystem

C. food chain

D. food web

Answer & Solution Discuss in Board

10.

Demand for transport and production of goods have increased due to excessive

A. consumption

B. wastage

C. recycling

D. reducing

Answer & Solution Discuss in Board

Practice MCQ Questions and answers on Chapter 7: Man Impact on Ecosystem - Science Mcqs for Grade 8

1. The dodo became extinct in

Answer & Solution

2. Smoke particles and harmful gases released in air produces a

Answer & Solution

3. Environment can be kept clean and green by using

Answer & Solution

4. Fertilizers supports growth of

Answer & Solution

5. If untreated waste water will be directly spill in to rivers, sea and lakes it may

Answer & Solution

6. When forests are cleared on a very large scale by cutting or burning them down it is

Answer & Solution

7. Global warming refers to

Answer & Solution

8. Sharks are hunted to create delicacy in Chinese cuisine by its

Answer & Solution

9. People should be banned to hunt in forest or collect wild plants to ensure protection of

Answer & Solution

10. Demand for transport and production of goods have increased due to excessive

Answer & Solution

Read More Section(Science Mcqs)

1.

The dodo became extinct in

2.

Smoke particles and harmful gases released in air produces a

3.

Environment can be kept clean and green by using

4.

Fertilizers supports growth of

5.

If untreated waste water will be directly spill in to rivers, sea and lakes it may

6.

When forests are cleared on a very large scale by cutting or burning them down it is

7.

Global warming refers to

8.

Sharks are hunted to create delicacy in Chinese cuisine by its

9.

People should be banned to hunt in forest or collect wild plants to ensure protection of

10.

Demand for transport and production of goods have increased due to excessive