TN State Board Samacheer Kalvi Online Test for 7th Std - Science - English - Environmental Management

Question 1 Of 10

Greenhouse effect refers to __________.

cooling of the earth trapping of UV rays cultivation of plants warming of the earth

Question 2 Of 10

Which of the following is/are a fossil fuel? i. Tar ii. Coal iii. Petroleum

i only i and ii ii and iii i, ii and iii

Question 3 Of 10

Global warming will cause __________.

raise in level of oceans melting of glaciers sinking of islands all of these

Question 4 Of 10

What are the steps will you adopt for better waste management?

reduce the amount of waste formed reuse the waste recycle the waste all of the above

Question 5 Of 10

Soil erosion can be prevented by ________.

deforestation afforestation overgrazing removal of vegetation

Question 6 Of 10

An inexhaustible resource is ________.

wind power soil fertility wildlife all of the above

Question 7 Of 10

Common energy source in the village is ________.

electricity coal biogas wood and animal dung

Question 8 Of 10

The gas released from vehicles exhaust are ______.
i. Carbon monoxide
ii. Sulphur dioxide
iii. Oxides of nitrogen

i and ii i and iii ii and iii i, ii and iii

Question 9 Of 10

A cheap, conventional, commercial, and inexhaustible source of energy is __________.

hydropower solar energy wind energy thermal energy

Question 10 Of 10

A renewable source of energy is _________.

petroleum coal nuclear fuel trees

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 7th Standard Science - English Medium - Environmental Management

Samacheer Kalvi 7th Science - Environmental Management - Book Back Questions in English Medium

Question 1 Of 10

Greenhouse effect refers to __________.

Question 2 Of 10

Which of the following is/are a fossil fuel? i. Tar ii. Coal iii. Petroleum

Question 3 Of 10

Global warming will cause __________.

Question 4 Of 10

What are the steps will you adopt for better waste management?

Question 5 Of 10

Soil erosion can be prevented by ________.

Question 6 Of 10

An inexhaustible resource is ________.

Question 7 Of 10

Common energy source in the village is ________.

Question 8 Of 10

The gas released from vehicles exhaust are ______.
i. Carbon monoxide
ii. Sulphur dioxide
iii. Oxides of nitrogen

Question 9 Of 10

A cheap, conventional, commercial, and inexhaustible source of energy is __________.

Question 10 Of 10

A renewable source of energy is _________.

Tags

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 7th Standard Science - English Medium - Environmental Management

Samacheer Kalvi 7th Science - Environmental Management - Book Back Questions in English Medium

Question 1 Of 10

Greenhouse effect refers to __________.

Question 2 Of 10

Which of the following is/are a fossil fuel? i. Tar ii. Coal iii. Petroleum

Question 3 Of 10

Global warming will cause __________.

Question 4 Of 10

What are the steps will you adopt for better waste management?

Question 5 Of 10

Soil erosion can be prevented by ________.

Question 6 Of 10

An inexhaustible resource is ________.

Question 7 Of 10

Common energy source in the village is ________.

Question 8 Of 10

The gas released from vehicles exhaust are ______. i. Carbon monoxide ii. Sulphur dioxide iii. Oxides of nitrogen

Question 9 Of 10

A cheap, conventional, commercial, and inexhaustible source of energy is __________.

Question 10 Of 10

A renewable source of energy is _________.

Tags

The gas released from vehicles exhaust are ______.
i. Carbon monoxide
ii. Sulphur dioxide
iii. Oxides of nitrogen