Interactive Quiz: Test Your Knowledge on Our Environment @jsunisir for Class 10

Here's a interective quiz based on Class 10 Science Chapter 15 "Our Environment":
Quiz 01: Test Your Knowledge on "Our Environment"
1. What is the term for the natural habitat and its physical surroundings that support life?
   a) Biodiversity
   b) Ecosystem
   c) Biome
   d) Biosphere
2. Which of the following is an example of a natural ecosystem?
   a) Agricultural field
   b) Garden
   c) Desert
   d) Urban park

3. The ozone layer is found in which layer of the Earth's atmosphere?
   a) Troposphere
   b) Stratosphere
   c) Mesosphere
   d) Thermosphere

4. What is the primary source of air pollution in urban areas?
   a) Greenhouse gases
   b) Volcanic activity
   c) Industrial emissions
   d) Soil erosion

5. Which of the following is a non-biodegradable pollutant?
   a) Leaves
   b) Paper
   c) Plastic
   d) Food waste

6. What is the primary cause of the depletion of the ozone layer?
   a) Deforestation
   b) Greenhouse gas             emissions
   c) Industrial pollution
   d) Release of chlorofluorocarbons (CFCs)

7. Which of the following is an example of a renewable resource?
   a) Fossil fuels
   b) Minerals
   c) Solar energy
   d) Natural gas

8. Acid rain is mainly caused by the emission of which pollutants?
   a) Carbon dioxide (CO2)
   b) Sulphur dioxide (SO2) and nitrogen oxides (NOx)
   c) Methane (CH4)
   d) Carbon monoxide (CO)

9. What is the term for the sum total of all the biotic and abiotic components in a particular area?
   a) Ecosystem
   b) Habitat
   c) Niche
   d) Community

10. Which of the following is a measure to conserve forests and biodiversity?
    a) Deforestation
    b) Overfishing
    c) Habitat destruction
    d) Afforestation

Answers:
1. b) Ecosystem
2. c) Desert
3. b) Stratosphere
4. c) Industrial emissions
5. c) Plastic
6. d) Release of chlorofluorocarbons (CFCs)
7. c) Solar energy
8. b) Sulphur dioxide (SO2) and nitrogen oxides (NOx)
9. a) Ecosystem
10. d) Afforestation

Test your understanding of environmental concepts with these questions. Good luck!
Sure, here's a quiz based on Class 10 Chapter 15 "Our Environment" with questions covering the topics of ecosystems, environmental problems, ozone depletion, waste production, solutions, and biodegradable/non-biodegradable substances:

Quiz : 02 : Class 10 Chapter 15 - Our Environment

1. What is an ecosystem?
   a) A single organism
   b) A community of organisms and their physical environment
   c) The atmosphere around the Earth
   d) A laboratory experiment

2. Which of the following is not a component of an ecosystem?
   a) Biotic factors
   b) Abiotic factors
   c) Sunlight
   d) Food chain

3. Which environmental problem is caused by the excessive release of greenhouse gases?
   a) Soil erosion
   b) Ozone depletion
   c) Global warming
   d) Acid rain

4. What is the primary cause of ozone depletion?
   a) Carbon dioxide emissions
   b) Deforestation
   c) Chlorofluorocarbons (CFCs)
   d) Volcanic activity

5. Which waste production practice contributes to air pollution and health problems?
   a) Recycling
   b) Composting
   c) Incineration
   d) Biodegradation

6. What is the main objective of the "3 Rs" in waste management?
   a) Reduce, reuse, recycle
   b) Reside, relocate, renew
   c) Replenish, repopulate, restore
   d) Research, report, react

7. Which of the following is a biodegradable substance?
   a) Plastic
   b) Glass
   c) Paper
   d) Styrofoam

8. Non-biodegradable substances:
   a) Break down naturally in the environment
   b) Can be easily degraded by microorganisms
   c) Accumulate in the environment and can cause pollution
   d) Have no impact on the ecosystem

9. What is eutrophication?
   a) Depletion of ozone layer
   b) Accumulation of solid waste
   c) Excessive nutrients in water bodies leading to algae growth
   d) Deforestation

10. Which of the following is an example of a renewable resource?
    a) Fossil fuels
    b) Coal
    c) Solar energy
    d) Natural gas

Answers:
1. b) A community of organisms and their physical environment
2. d) Food chain
3. c) Global warming
4. c) Chlorofluorocarbons (CFCs)
5. c) Incineration
6. a) Reduce, reuse, recycle
7. c) Paper
8. c) Accumulate in the environment and can cause pollution
9. c) Excessive nutrients in water bodies leading to algae growth
10. c) Solar energy

Remember to verify these answers with your study materials to ensure accuracy. Good luck with your quiz!

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