Class 6 Exam > Class 6 Notes > Science for Class 6 > Unit Test: Nature’s Treasures
Unit Test: Nature’s Treasures | Science for Class 6 PDF Download
Attempt all questions.
Time: 1 hour
M.M. 30
- Question numbers 1 to 7 carry 1 mark each.
- Question numbers 8 to 12 carry 2 marks each.
- Question numbers 13 to 15 carry 3 marks each.
- Question number 16 carries 4 marks each.
Q1: What is the main gas in air that living beings need for survival? (1 Mark)
(i) Nitrogen
(ii) Oxygen
(iii) Carbon dioxide
(iv) Argon
Q2: Moving air is called __________. (1 Mark)
Q3: Water covers about __________ of the Earth's surface. (1 Mark)
(i) One-third
(ii) Half
(iii) Two-thirds
(iv) Three-fourths
Q4: The Sun is the main source of __________ on Earth. (1 Mark)
Q5: Forests are large areas with dense growth of __________. (1 Mark)
(i) Rocks
(ii) Various types of plants
(iii) Minerals
(iv) Fossil fuels
Q6: Soil is formed by the __________ of rocks over a long time. (1 Mark)
(i) Growth
(ii) Disintegration
(iii) Melting
(iv) Freezing
Q7: Fossil fuels like coal and petroleum are examples of __________ resources. (1 Mark)
(i) Renewable
(ii) Human-made
(iii) Non-renewable
(iv) Recyclable
Q8: Explain why air is considered a treasure of nature and Describe the composition of air. (2 Marks)
Q9: Why is ocean water not suitable for domestic use? (2 Marks)
Q10: How does the Sun provide energy to a cow indirectly? (2 Marks)
Q11: Name two products obtained from forests. (2 Marks)
Q12: Differentiate between renewable and non-renewable resources with one example each. (2 Marks)
Q13: Why is rainwater harvesting important in India? Give two reasons. (3 Marks)
Q14: Explain how soil is formed and why it is important. Also, describe the uses of rocks and minerals in our daily life with examples. (3 Marks)
Q15: Explain how forests prevent floods. (3 Marks)
Q16: Discuss the importance of conserving natural resources like forests and fossil fuels. Suggest three actions to achieve this. (4 Marks)
You can access the solutions of this Unit Test here.
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FAQs on Unit Test: Nature’s Treasures - Science for Class 6
| 1. What are some examples of natural treasures found in the environment? |  |
Ans. Natural treasures include a variety of resources and phenomena such as forests, rivers, mountains, minerals, and wildlife. These treasures provide essential resources for human life, contribute to biodiversity, and play crucial roles in ecological balance. Specific examples include the Amazon rainforest, the Great Barrier Reef, and various mountain ranges around the world.
| 2. How do natural treasures benefit humans and the ecosystem? | |
Ans. Natural treasures benefit humans by providing resources like clean water, food, and materials for shelter and clothing. They also support ecosystem services such as pollination, climate regulation, and soil fertility. Healthy ecosystems contribute to human well-being and are vital for sustainable development and environmental health.
| 3. What measures can be taken to protect natural treasures? | |
Ans. To protect natural treasures, it is essential to implement conservation strategies such as establishing protected areas, promoting sustainable resource management, and raising public awareness about environmental issues. Additionally, laws and regulations that limit pollution and over-exploitation can help preserve these valuable resources for future generations.
| 4. Why is biodiversity considered a treasure of nature? | |
Ans. Biodiversity is considered a treasure of nature because it encompasses the variety of life forms on Earth, including plants, animals, and microorganisms. High biodiversity contributes to ecosystem resilience, allows ecosystems to adapt to changes, and supports a range of ecosystem services. It is also crucial for agriculture, medicine, and maintaining ecological balance.
| 5. How can individuals contribute to the conservation of natural treasures? | |
Ans. Individuals can contribute to conservation by reducing waste, recycling, and using resources sustainably. Participating in community clean-up events, supporting conservation organizations, and educating others about the importance of protecting the environment are also effective ways. Additionally, making environmentally friendly choices, such as using public transport or conserving water, can have a positive impact.
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Sep 22, 2025
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