Nature provides us with essential resources like air, water, soil, minerals, and fuels that support life on Earth. In this chapter, we explore how these treasures are used in our daily lives and why it is important to conserve them. The following MCQs will help you revise and strengthen your understanding of these concepts.
This Class 6 Science MCQ gives students a variety of MCQs, fill-in-the-blanks, and true or false questions along with answers.
MCQ Questions for Class 6 Science Chapter 11 Nature’s Treasures with Answers
Question 1: Which of the following is a natural resource?
a) Plastic
b) Coal
c) Glass
d) Steel
Answer:
b) Coal — Coal is a natural resource formed from dead plants.
Question 2: Which gas in the atmosphere is essential for respiration?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
Answer:
a) Oxygen — Oxygen is vital for respiration in living beings.
Question 3: The major source of fresh water on Earth is:
a) Oceans
b) Lakes and rivers
c) Glaciers
d) Seas
Answer:
c) Glaciers — Glaciers store the largest amount of fresh water.
Question 4: Which of the following is not a renewable resource?
a) Sunlight
b) Wind
c) Petroleum
d) Water
Answer:
c) Petroleum — Petroleum takes millions of years to form, so it is non-renewable.
Question 5: The main component of air is:
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Argon
Answer:
b) Nitrogen — Nitrogen makes up about 78% of the atmosphere.
Question 6: Which of the following is a fossil fuel?
a) Wood
b) Coal
c) Solar energy
d) Wind energy
Answer:
b) Coal — Coal is a fossil fuel formed from ancient plants.
Question 7: Which natural resource is called the “universal solvent”?
a) Oxygen
b) Carbon dioxide
c) Water
d) Nitrogen
Answer:
c) Water — Water dissolves a large number of substances, hence called universal solvent.
Question 8: The Greenhouse effect is caused mainly by:
a) Nitrogen
b) Oxygen
c) Carbon dioxide
d) Argon
Answer:
c) Carbon dioxide — CO₂ traps heat and contributes to the greenhouse effect.
Question 9: Which of the following is a non-metallic mineral?
a) Iron
b) Copper
c) Mica
d) Gold
Answer:
c) Mica — Mica is a non-metallic mineral used in industries.
Question 10: Soil is formed by the process of:
a) Evaporation
b) Weathering
c) Condensation
d) Photosynthesis
Answer:
b) Weathering — Soil is formed by the weathering of rocks.
Question 11: The energy we get from flowing water is called:
a) Wind energy
b) Hydro energy
c) Solar energy
d) Thermal energy
Answer:
b) Hydro energy — Flowing water is used to generate hydroelectric power.
Question 12: Which of the following is used to make paper?
a) Plastic
b) Petroleum
c) Wood
d) Sand
Answer:
c) Wood — Paper is made from wood pulp.
Question 13: Which resource is inexhaustible?
a) Coal
b) Oil
c) Sunlight
d) Natural gas
Answer:
c) Sunlight — Sunlight is inexhaustible and available freely.
Question 14: Which layer of soil is rich in humus?
a) Topsoil
b) Subsoil
c) Bedrock
d) Parent rock
Answer:
a) Topsoil — Topsoil contains humus and supports plant growth.
Question 15: Which of the following is not an example of biodiversity?
a) Forests
b) Mountains
c) Animals
d) Plants
Answer:
b) Mountains — Biodiversity refers to living organisms, not landforms.
Question 16: Petroleum is popularly known as:
a) White gold
b) Liquid gold
c) Black gold
d) Shiny gold
Answer:
c) Black gold — Petroleum is called black gold because of its value.
Question 17: Which is the main source of energy for Earth?
a) Wind
b) Water
c) Sun
d) Fire
Answer:
c) Sun — The sun is the ultimate source of energy for life on Earth.
Question 18: Which resource is obtained from animals?
a) Coal
b) Wool
c) Petroleum
d) Iron
Answer:
b) Wool — Wool is obtained from animals like sheep.
Question 19: Which gas is essential for photosynthesis?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
Answer:
c) Carbon dioxide — Plants use carbon dioxide for photosynthesis.
Question 20: Which of the following is a metallic mineral?
a) Coal
b) Iron ore
c) Limestone
d) Sand
Answer:
b) Iron ore — Iron ore is a metallic mineral used to make steel.
Question 21: Which resource is mainly used for making cement?
a) Mica
b) Coal
c) Limestone
d) Iron
Answer:
c) Limestone — Limestone is the raw material for cement production.
Question 22: Which among these is a man-made resource?
a) Soil
b) Air
c) Plastic
d) Water
Answer:
c) Plastic — Plastic is artificially created by humans.
Question 23: Which is the main constituent of biogas?
a) Oxygen
b) Carbon dioxide
c) Methane
d) Nitrogen
Answer:
c) Methane — Biogas is mainly composed of methane gas.
Question 24: The process of cutting down trees in large numbers is called:
a) Afforestation
b) Deforestation
c) Plantation
d) Irrigation
Answer:
b) Deforestation — Large-scale cutting of trees is deforestation.
Question 25: Which is the hardest natural substance on Earth?
a) Iron
b) Coal
c) Diamond
d) Gold
Answer:
c) Diamond — Diamond is the hardest natural substance.
Question 26: Which type of energy is obtained from the sun?
a) Solar energy
b) Hydro energy
c) Wind energy
d) Geothermal energy
Answer:
a) Solar energy — Sunlight provides solar energy.
Question 27: Which of the following is an exhaustible natural resource?
a) Sunlight
b) Air
c) Coal
d) Water
Answer:
c) Coal — Coal is limited and exhaustible.
Question 28: Which of these is a non-renewable energy source?
a) Solar
b) Wind
c) Natural gas
d) Hydro
Answer:
c) Natural gas — Natural gas is non-renewable.
Question 29: Which mineral is used to make ornaments?
a) Mica
b) Copper
c) Gold
d) Coal
Answer:
c) Gold — Gold is widely used for making ornaments.
Question 30: Which resource do we get from forests?
a) Petroleum
b) Wood
c) Coal
d) Iron
Answer:
b) Wood — Forests are a major source of wood.
Fill in the Blanks Questions for Class 6 Science Chapter 11 Nature’s Treasures
1. The main component of air is ___ .
Answer:
Nitrogen
2. Coal, petroleum, and natural gas are examples of ___ fuels.
Answer:
Fossil
3. The hardest natural substance on Earth is ___ .
Answer:
Diamond
4. The process of cutting down trees on a large scale is called ___ .
Answer:
Deforestation
5. Petroleum is also known as ___ gold.
Answer:
Black
6. The gas required by plants for photosynthesis is ___ .
Answer:
Carbon dioxide
7. The topmost layer of soil, rich in humus, is called ___ .
Answer:
Topsoil
8. Biogas mainly contains ___ gas.
Answer:
Methane
9. The ultimate source of energy on Earth is the ___ .
Answer:
Sun
10. Limestone is the raw material used in making ___ .
Answer:
Cement
True or False type Questions for Class 6 Science Chapter 11 “Nature’s Treasures”
15 true or false questions based on Chapter 11, “Nature’s Treasures,” of the NCERT Science book for Class 6:
1. Nitrogen makes up 21% of the air we breathe.
Answer:
False – Nitrogen is 78%; oxygen is 21%.
2. Moving air is called a breeze.
Answer:
False – Moving air is called wind.
3. Most of the water on Earth is freshwater found in rivers and lakes.
Answer:
False – Most water is saline, found in oceans/seas.
4. Rainwater harvesting is a recent modern practice introduced in India.
Answer:
False – It is an age-old practice in India.
5. Stepwells called Bawadi are found in Rajasthan.
Answer:
True
6. The Sun is the main source of energy for all living beings on Earth.
Answer:
True
7. Petrol, diesel and kerosene are obtained from natural gas.
Answer:
False – They are obtained from petroleum.
8. Fossil fuels are formed from remains of living organisms over millions of years.
Answer:
True
9. CNG is considered a cleaner fuel than petrol or diesel.
Answer:
True
10. Soil is formed by the disintegration of rocks over thousands of years.
Answer:
True
11. Air, water and forests are examples of non-renewable resources.
Answer:
False – They are renewable natural resources.
12. The Chipko movement began in Rajasthan in the 1980s.
Answer:
False – It started in Uttarakhand in the early 1970s.
13. A basic mobile phone contains about a dozen minerals including gold and copper.
Answer:
True
14. Electric vehicles do not release smoke, making them less polluting than fossil fuel vehicles.
Answer:
True
15. Minerals, soil, rocks, coal and petroleum are all renewable resources.
Answer:
False – These are all non-renewable resources.
MCQ Questions and Answers for Class 6 Science
- MCQ on The Wonderful World of Science for Class 6
- MCQ on Diversity in the Living World for Class 6
- MCQ on Mindful Eating: A Path to a Healthy Body for Class 6
- MCQ on Exploring Magnets for Class 6
- MCQ on Measurement of Length and Motion for Class 6
- MCQ on Materials Around Us for Class 6
- MCQ on Temperature and its Measurement for Class 6
- MCQ on A Journey through States of Water for Class 6
- MCQ on Methods of Separation in Everyday Life for Class 6
- MCQ on Living Creatures: Exploring their Characteristics for Class 6
- MCQ on Beyond Earth for Class 6
