Odd One Out Questions
(i) Sunlight, Water, Plastic, Air
(ii) Composting, Recycling, Landfill, Vermicomposting
(iii) Carbon dioxide, Oxygen, Methane, Nitrogen
(iv) Recycling, Reducing, Reusing, Burning
CBSE Class 5 > Class 5 Notes > Science > Worksheet: Our Environment - 1
Our Environment - 1 Worksheet - Class 5 Science | Questions and Answers
Multiple Choice Questions (MCQs)
(i) What does the term 'environment' include?
(a) Only living things
(b) Only non-living things
(c) Both living and non-living things
(d) None of the above
(ii)Which type of waste can be broken down by natural processes?
(a) Non-biodegradable
(b) Biodegradable
(c) Industrial waste
(d) Inorganic waste
(iii)What is the primary cause of air pollution?
(a) Deforestation
(b) Soil erosion
(c) Industries and vehicles
(d) Overpopulation
(iv) Which gas is a major component of biogas?
(a) Oxygen
(b) Nitrogen
(c) Carbon dioxide
(d) Methane
(v) What effect does global warming have on ice caps?
(a) They expand
(b) They melt
(c) They become thicker
(d) They change colour
Fill in the Blanks
(i) Waste that does not rot and cannot be broken down by decomposers is called ________ waste.
(ii) The lowest layer of Earth's atmosphere is the ________.
(iii)______ is a technique that uses red earthworms to break down organic material into vermicompost.
(iv)______ pollution is caused by the loud noise of machines and vehicles.
(v) The process of managing waste by creating new products from old items is called ________.
True or False
(i) The environment only includes living things.
(ii) Biodegradable waste is harmful to the environment.
(iii) Recycling can help reduce environmental pollution.
(iv) Greenhouse gases do not include oxygen.
(v) Global warming is solely caused by natural processes.
(vi) Landfills are a sustainable method to manage waste.
(vii) Noise pollution only affects humans.
(viii) The increase in atmospheric carbon dioxide levels has no effect on ocean chemistry.
Match the Following
Real Life Application Questions
(i) How can the practice of recycling benefit our community in the long run?
(ii) What simple steps can you take at home to reduce air pollution?
Short Ans Questions
(i) What is the role of decomposers in the environment?
(ii) Why is it important to manage non-biodegradable waste?
(iii) What are the effects of global warming on the environment?
(iv) How does air pollution affect human health and the environment?
(v) Describe two ways individuals can contribute to reducing their environmental impact.
You can access the solutions to this worksheet here.
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FAQs on Worksheet: Our Environment - 1
| 1. What are the main components of our environment? |  |
Ans. The main components of our environment include air, water, soil, plants, animals, and humans. Each of these components plays a vital role in maintaining the ecological balance and supporting life on Earth.
| 2. How does pollution affect our environment? | |
Ans. Pollution negatively impacts our environment by contaminating air, water, and soil. It can lead to health problems in humans and animals, damage ecosystems, and contribute to climate change, making it essential to find ways to reduce and prevent pollution.
| 3. What can we do to protect our environment? | |
Ans. We can protect our environment by reducing waste, recycling materials, conserving water and energy, planting trees, and using public transport or walking instead of driving. Educating ourselves and others about environmental issues is also crucial.
| 4. Why is it important to conserve natural resources? | |
Ans. Conserving natural resources is important because they are limited and essential for our survival. Responsible use ensures that future generations can enjoy clean air, water, and biodiversity. It also helps maintain ecological balance and supports sustainable development.
| 5. What role do plants play in our environment? | |
Ans. Plants play a crucial role in our environment by producing oxygen through photosynthesis, providing food and habitat for various species, preventing soil erosion, and maintaining the water cycle. They are essential for sustaining life on Earth and improving air quality.
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