R4RIN – MCQs, Mock Tests | ICSE XII MCQ Questions for Class 12 Biology Set 8

Lions m India are now found in :

1. Jim Corbett National Park
2. Forests of Madhya Pradesh
3. Forests of Western Ghats
4. Fir Forests

✅ Correct Answer: 4

Bandipurin Karnataka is the site of project:

1. Elephant
2. Hangul
3. Tiger
4. Peacock

✅ Correct Answer: 3

First National park developed in India is:

1. Gir
2. Kaziranga
3. Jim Corbett
4. None of these

✅ Correct Answer: 3

Nandan Kanha Zoo is know for the:

1. Nilgiri tiger
2. Hippopotamus
3. White Tiger
4. Whale

✅ Correct Answer: 3

Sardar Sarovar Dam is built on the river:

1. Jhelum
2. Narmada
3. Tapti
4. Vyas

✅ Correct Answer: 2

Identify the correct matched pair:

1. Montreal Protocol-Global Warming
2. Kyoto Protocol-Climate change
3. Project Hungul-Dear
4. Project Tiger-Lion

✅ Correct Answer: 2

Which chemical substance affects the Ozone Layer?

1. Chlorofluorocarbon
2. Chlorine
3. Hexafluorocarbon
4. Molecular Carbon

✅ Correct Answer: 1

In Ozone Degradation which element acts as catalyst?

1. Chlorine
2. Flurine
3. Oxygen
4. Potassium

✅ Correct Answer: 1

Ozone Layer is found in :

1. Stratosphere
2. Lithosphere
3. Troposphere
4. Hemisphere

✅ Correct Answer: 1

Acid Rain comes under which type of pollution?

1. Water pollution
2. Air pollution
3. Soil pollution
4. Sound Pollution

✅ Correct Answer: 3

Environment (Protection) Act came into force in?

1. 1986
2. 1989
3. 1992
4. 1993

✅ Correct Answer: 3

Chlorofluoro carbon are responsible for:

1. Acid rain
2. Ozone layer depletion
3. Global warming
4. Thermal inversion

✅ Correct Answer: 4

Fluoride pollution mainly affect:

1. Teeth
2. Kidney
3. Brain
4. Heart

✅ Correct Answer: 1

Nutrient enrichment of water bodies causes:

1. Stratification
2. Eutrophication
3. Succession
4. None of these

✅ Correct Answer: 2

Increased skin cancer and high mutation rate are due to:

1. Acid Rain
2. Ozone Depletion
3. CO2 Pollution
4. CO Pollution

✅ Correct Answer: 2

Natural air pollutant are:

1. Pollen Grains
2. Gases of Volcanic Eruption
3. Aerosol
4. Fluorides

✅ Correct Answer: 2

Which one of the following is not a greenhouse gas?

1. Methane
2. CO2
3. Chlorofluoro carbon
4. Hydrogen

✅ Correct Answer: 4

Minimata disease is caused by:

1. By Chromium
2. By Cadmium
3. By Methyl mercury
4. By Radioactive elements

✅ Correct Answer: 3

Bluebaby syndrome results from:

1. Excess of TDS
2. Excess of DO
3. Excess of chloride
4. Methaemoglobin

✅ Correct Answer: 4

A mutagenic pollutant is:

1. Organophosphate
2. Resines
3. Hydrocarbons
4. Nitrogen oxides

✅ Correct Answer: 3

Pollutant which causes acid rain is:

1. SO2
2. CO2
3. CO
4. Hydrocarbon

✅ Correct Answer: 1

Rain is called acid rain, its pH is below:

1. 7
2. 6.5
3. 6
4. 5.6

✅ Correct Answer: 4

Pollution of SO2 destroys:

1. Lichen
2. Fungi
3. Algae
4. Fish

✅ Correct Answer: 1

Permissible noise levels in a residential area at night time is:

1. 35 dB
2. 40 dB
3. 45 dB
4. 50 dB

✅ Correct Answer: 3

Act formulated in 1996 was:

1. Insecticide Act
2. Air (Prevention and Control of Pollution) Act
3. Water (Prevention and control of Pollution) Act
4. Environment protection Act

✅ Correct Answer: 4