TN State Board Samacheer Kalvi Online Test for 11th Std - Bio Zoology - English - Environmental Issues

Question 1 Of 10

Statement (1): Incomplete combination of fossil fuels releases CO
Statement (2): CO is a GHG

Statement 1 is true, statement 2 is false Statement 1 is false, statement 2 is true Both Statements 1 and 2 are true Both statements 1 and 2 are false

Question 2 Of 10

Assertion (A): Evolution of Greenhouse gases leads to Global warming
Reason (R): The energy released by the greenhouse gases move away from the atmospheric

A is right R is wrong A is wrong R is right Both A and R are correct R explains A

Question 3 Of 10

Assertion (A): The ozone layer protects the UV rays entering the Earth.
Reason (R): UV rays may cause melanoma

A is right R is wrong A is the wrong R is right Both A and R are correct R explains A

Question 4 Of 10

Treatment of sewage involves

Floatation, Filtration and Sedimentation of suspended particles Aerating it for bacterial action Removal of nitrates and phosphates All of the above

Question 5 Of 10

E – Wastes are basically…………………..

Poly iodinated biphenyl based compounds Polychlorinated biphenyl based compounds Polyhydroxy biphenyl based compounds Poly acetyl biphenyl based compounds

Question 6 Of 10

As per 2017 statistics, the highest per capita emitter of Carbon dioxide in the world is

USA China Qatar Saudi Arabia

Question 7 Of 10

The intensity of noise is measured in…………..

Dobson Hertz Decibel Frequency

Question 8 Of 10

Identify the correct statement indicating 4Rs of treating water.

Regenerate, Reduce, Reuse and Recycle Refuse, Reduce, Rejenuvate, and Reuse Redeem, Refuse, Rejenuvate and Reduce Refuse, Reduce, Rescue and Recycle.

Question 9 Of 10

According to noise pollution rules 2000, the permissible level of noise in the commercial area is………….. during the day and …………. during nitght.

55 db, 65 db 65 db, 55 db 70 db, 60 db 75 db, 65 db

Question 10 Of 10

The ‘thickness’ of Stratospheric Ozone layer is measured in/on:

Sieverts units Dobson units Melson units Beaufort Scale

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 11th Standard Bio Zoology - English Medium - Environmental Issues

Samacheer Kalvi 11th Bio Zoology - Environmental Issues - Book Back Questions in English Medium

Question 1 Of 10

Statement (1): Incomplete combination of fossil fuels releases CO
Statement (2): CO is a GHG

Question 2 Of 10

Assertion (A): Evolution of Greenhouse gases leads to Global warming
Reason (R): The energy released by the greenhouse gases move away from the atmospheric

Question 3 Of 10

Assertion (A): The ozone layer protects the UV rays entering the Earth.
Reason (R): UV rays may cause melanoma

Question 4 Of 10

Treatment of sewage involves

Question 5 Of 10

E – Wastes are basically…………………..

Question 6 Of 10

As per 2017 statistics, the highest per capita emitter of Carbon dioxide in the world is

Question 7 Of 10

The intensity of noise is measured in…………..

Question 8 Of 10

Identify the correct statement indicating 4Rs of treating water.

Question 9 Of 10

According to noise pollution rules 2000, the permissible level of noise in the commercial area is………….. during the day and …………. during nitght.

Question 10 Of 10

The ‘thickness’ of Stratospheric Ozone layer is measured in/on:

Tags

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 11th Standard Bio Zoology - English Medium - Environmental Issues

Samacheer Kalvi 11th Bio Zoology - Environmental Issues - Book Back Questions in English Medium

Question 1 Of 10

Statement (1): Incomplete combination of fossil fuels releases CO Statement (2): CO is a GHG

Question 2 Of 10

Assertion (A): Evolution of Greenhouse gases leads to Global warming Reason (R): The energy released by the greenhouse gases move away from the atmospheric

Question 3 Of 10

Assertion (A): The ozone layer protects the UV rays entering the Earth. Reason (R): UV rays may cause melanoma

Question 4 Of 10

Treatment of sewage involves

Question 5 Of 10

E – Wastes are basically…………………..

Question 6 Of 10

As per 2017 statistics, the highest per capita emitter of Carbon dioxide in the world is

Question 7 Of 10

The intensity of noise is measured in…………..

Question 8 Of 10

Identify the correct statement indicating 4Rs of treating water.

Question 9 Of 10

According to noise pollution rules 2000, the permissible level of noise in the commercial area is………….. during the day and …………. during nitght.

Question 10 Of 10

The ‘thickness’ of Stratospheric Ozone layer is measured in/on:

Tags

Statement (1): Incomplete combination of fossil fuels releases CO
Statement (2): CO is a GHG

Assertion (A): Evolution of Greenhouse gases leads to Global warming
Reason (R): The energy released by the greenhouse gases move away from the atmospheric

Assertion (A): The ozone layer protects the UV rays entering the Earth.
Reason (R): UV rays may cause melanoma