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Class 5 Science - Our Environment - Question Answers

Q1: What does the word 'environ' mean?
Ans: Surround.


Q2: What are the two main categories of things in the environment?
Ans: Biotic and abiotic.


Q3: What does a clean environment support?
Ans: Healthy living.


Q4: What is waste?
Ans: Useless and unwanted material discarded by humans.


Q5: Name an example of biodegradable waste.
Ans: Vegetable peels.


Q6: Give an example of non-biodegradable waste.
Ans: Plastic bottles.


Q7: Why is proper management of waste important?
Ans: To protect the environment.


Q8: What can we do to reduce waste production?
Ans: Reduce consumption and wastage.


Q9: What does "reuse" mean in waste management?
Ans: Using things again for different purposes.


Q10: How can we recycle waste materials?
Ans: By producing new products from old discarded products.


Q11: What is composting?
Ans: The process of converting organic waste into compost.


Q12: What is vermicomposting?
Ans: Using red earthworms to break down organic matter into vermicompost.


Q13: Where is biogas produced?
Ans: In a biogas plant.


Q14: What is the main constituent of biogas?
Ans: Methane.


Q15: What is pollution?
Ans: Harmful changes in the environment due to human activities.

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FAQs on Class 5 Science - Our Environment - Question Answers

1. What is the meaning of environment?
Ans. The environment refers to the surroundings or conditions in which a person, animal, or plant lives or operates.
2. What are the different components of the environment?
Ans. The different components of the environment include air, water, land, plants, animals, and humans.
3. How does pollution affect the environment?
Ans. Pollution can have harmful effects on the environment by contaminating air, water, and soil, leading to health issues for humans and wildlife, and damaging ecosystems.
4. What are some ways to protect the environment?
Ans. Some ways to protect the environment include reducing waste, conserving energy and water, recycling, planting trees, and using environmentally friendly products.
5. What are the consequences of deforestation on the environment?
Ans. Deforestation can lead to soil erosion, loss of habitats for animals and plants, disruption of ecosystems, increased greenhouse gases, and climate change.
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