EVS part 1

-
EVS part 1

Environmental Science (EVS) along with their answers:


1. **Environmental Science (EVS) along with their answers:


1. **Question**: What is the main focus of Environmental Science (EVS)?

 - A) Studying the human body

 - B) Investigating the solar system

 - C) Understanding interactions between living organisms and their environment

 - D) Analyzing historical events


 **Answer**: C) Understanding interactions between living organisms and their environment¹.



2. **Question**: Which of the following topics is covered in the CBSE Class 4 EVS syllabus?

 - A) Space exploration

 - B) Our environment

 - C) Ancient civilizations

 - D) Quantum physics


 **Answer**: B) Our environment².



3. **Question**: What is the impact of climate change on human health?

 - A) Improved overall health

 - B) No impact

 - C) Increased risk of diseases

 - D) Enhanced immunity


 **Answer**: C) Increased risk of diseases¹.



4. **Question**: Which resource is essential for all industrial plants?

 - A) Air

 - B) Water

 - C) Soil

 - D) Sunlight


 **Answer**: B) Water¹.



5. **Question**: Why should the globe switch from fossil fuels to hydrogen?

 - A) Hydrogen is more abundant

 - B) Fossil fuels are expensive

 - C) Hydrogen is a cleaner energy source

 - D) Fossil fuels are non-renewable


 **Answer**: C) Hydrogen is a cleaner energy source¹.



6. **Question**: How can we prevent the destruction of coral reefs?

 - A) Reduce plastic waste

 - B) Increase fishing activities

 - C) Use more pesticides

 - D) Ignore coral conservation efforts


 **Answer**: A) Reduce plastic waste¹.



7. **Question**: What contributes to soil contamination?

 - A) Pesticides and wastes

 - B) Freshwater lakes

 - C) Volcanic eruptions

 - D) Desertification


 **Answer**: A) Pesticides and wastes¹.



8. **Question**: Is ocean acidification a serious environmental problem?

 - A) Yes

 - B) No


 **Answer**: A) Yes¹.



9. **Question**: How does melting permafrost affect climate change?

 - A) It has no impact

 - B) It releases greenhouse gases

 - C) It cools the atmosphere

 - D) It increases rainfall


 **Answer**: B) It releases greenhouse gases¹.



10. **Question**: What is the relationship between acid rain and industrialization?

 - A) Acid rain is caused by volcanic activity

 - B) Industrialization reduces acid rain

 - C) Acid rain results from air pollution

 - D) Acid rain is unrelated to human activities


 **Answer**: C) Acid rain results from air pollution¹.

Certainly! Here are **10 more multiple-choice questions (MCQs)** related to Environmental Science (EVS) along with their answers:



12. **Question**: Which gas is responsible for the greenhouse effect?

 - A) Oxygen (O₂)

 - B) Nitrogen (N₂)

 - C) Carbon dioxide (CO₂)

 - D) Helium (He)


 **Answer**: C) Carbon dioxide (CO₂).


13. **Question**: What is the process by which plants release water vapor from their leaves?

 - A) Transpiration

 - B) Photosynthesis

 - C) Respiration

 - D) Evaporation


 **Answer**: A) Transpiration.


14. **Question**: Which part of the plant is responsible for photosynthesis?

 - A) Roots

 - B) Stems

 - C) Leaves

 - D) Flowers


 **Answer**: C) Leaves.


16. **Question**: Which layer of the Earth's atmosphere contains the ozone layer?

 - A) Troposphere

 - B) Stratosphere

 - C) Mesosphere

 - D) Thermosphere


 **Answer**: B) Stratosphere.


17. **Question**: What is the largest planet in our solar system?

 - A) Earth

 - B) Mars

 - C) Jupiter

 - D) Venus


 **Answer**: C) Jupiter.


18. **Question**: Which gas is most abundant in Earth's atmosphere?

 - A) Oxygen (O₂)

 - B) Nitrogen (N₂)

 - C) Carbon dioxide (CO₂)

 - D) Argon (Ar)


 **Answer**: B) Nitrogen (N₂).


19. **Question**: What is the process of converting liquid water into water vapor?

 - A) Condensation

 - B) Precipitation

 - C) Evaporation

 - D) Sublimation


 **Answer**: C) Evaporation.


20. **Question**: Which of the following is a renewable energy source?

 - A) Coal

 - B) Natural gas

 - C) Solar power

 - D) Nuclear energy


 **Answer**: C) Solar power.


 - C) Soil

 - D) Sunlight


 **Answer**: B) Water¹.



5. **Question**: Why should the globe switch from fossil fuels to hydrogen?

 - A) Hydrogen is more abundant

 - B) Fossil fuels are expensive

 - C) Hydrogen is a cleaner energy source

 - D) Fossil fuels are non-renewable


 **Answer**: C) Hydrogen is a cleaner energy source¹.



6. **Question**: How can we prevent the destruction of coral reefs?

 - A) Reduce plastic waste

 - B) Increase fishing activities

 - C) Use more pesticides

 - D) Ignore coral conservation efforts


 **Answer**: A) Reduce plastic waste¹.



7. **Question**: What contributes to soil contamination?

 - A) Pesticides and wastes

 - B) Freshwater lakes

 - C) Volcanic eruptions

 - D) Desertification


 **Answer**: A) Pesticides and wastes¹.



8. **Question**: Is ocean acidification a serious environmental problem?

 - A) Yes

 - B) No


 **Answer**: A) Yes¹.



9. **Question**: How does melting permafrost affect climate change?

 - A) It has no impact

 - B) It releases greenhouse gases

 - C) It cools the atmosphere

 - D) It increases rainfall


 **Answer**: B) It releases greenhouse gases¹.



10. **Question**: What is the relationship between acid rain and industrialization?

 - A) Acid rain is caused by volcanic activity

 - B) Industrialization reduces acid rain

 - C) Acid rain results from air pollution

 - D) Acid rain is unrelated to human activities


 **Answer**: C) Acid rain results from air pollution¹.

Certainly! Here are **10 more multiple-choice questions (MCQs)** related to Environmental Science (EVS) along with their answers:



12. **Question**: Which gas is responsible for the greenhouse effect?

 - A) Oxygen (O₂)

 - B) Nitrogen (N₂)

 - C) Carbon dioxide (CO₂)

 - D) Helium (He)


 **Answer**: C) Carbon dioxide (CO₂).


13. **Question**: What is the process by which plants release water vapor from their leaves?

 - A) Transpiration

 - B) Photosynthesis

 - C) Respiration

 - D) Evaporation


 **Answer**: A) Transpiration.


14. **Question**: Which part of the plant is responsible for photosynthesis?

 - A) Roots

 - B) Stems

 - C) Leaves

 - D) Flowers


 **Answer**: C) Leaves.


16. **Question**: Which layer of the Earth's atmosphere contains the ozone layer?

 - A) Troposphere

 - B) Stratosphere

 - C) Mesosphere

 - D) Thermosphere


 **Answer**: B) Stratosphere.


17. **Question**: What is the largest planet in our solar system?

 - A) Earth

 - B) Mars

 - C) Jupiter

 - D) Venus


 **Answer**: C) Jupiter.


18. **Question**: Which gas is most abundant in Earth's atmosphere?

 - A) Oxygen (O₂)

 - B) Nitrogen (N₂)

 - C) Carbon dioxide (CO₂)

 - D) Argon (Ar)


 **Answer**: B) Nitrogen (N₂).


19. **Question**: What is the process of converting liquid water into water vapor?

 - A) Condensation

 - B) Precipitation

 - C) Evaporation

 - D) Sublimation


 **Answer**: C) Evaporation.


20. **Question**: Which of the following is a renewable energy source?

 - A) Coal

 - B) Natural gas

 - C) Solar power

 - D) Nuclear energy


 **Answer**: C) Solar power.


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