The following 20 Multiple Choice Questions (MCQ) are based on
Chapter 11: Nature's Treasures from the NCERT Class 6
Science textbook Curiosity. Each question has four options - select the
best answer and click to check.
Instructions: Read each question carefully. Choose the most
appropriate option from (a), (b), (c), or (d). Click
Show Answer to reveal the correct answer with explanation.
Multiple Choice Questions
1Natural resources are materials and conditions obtained from:
(a) Nature
(b) Only factories
(c) Only laboratories
(d) Imaginary sources
(a) is correct
Air, water, soil, sunlight, forests and minerals are examples.
2Air is essential to humans mainly because it contains:
(a) Only nitrogen
(b) Food grains
(c) Liquid water only
(d) Oxygen for respiration
(d) is correct
Oxygen helps cells release energy from food.
3Plants use carbon dioxide from air for:
(a) Mineral absorption
(b) Magnetism
(c) Photosynthesis
(d) Germination only
(c) is correct
Plants combine carbon dioxide and water using sunlight to make food.
4Moving air is called:
(a) Fuel
(b) Wind
(c) Soil
(d) Mineral
(b) is correct
Wind can do work and is used to generate electricity.
5Fresh water is needed for:
(a) Drinking, farming and sanitation
(b) Only transport
(c) Only decoration
(d) No living process
(a) is correct
Life and human activities depend on safe, available water.
6Which action conserves water?
(a) Letting taps run
(b) Polluting ponds
(c) Over-pumping groundwater
(d) Repairing leaking taps
(d) is correct
Preventing avoidable loss preserves limited freshwater supplies.
7The Sun is Earth's main source of:
(a) Minerals
(b) Groundwater
(c) Energy
(d) Soil
(c) is correct
Solar energy drives photosynthesis, weather and the water cycle.
8Solar panels convert sunlight into:
(a) Oxygen only
(b) Electrical energy
(c) Soil
(d) Coal
(b) is correct
Photovoltaic cells generate electricity directly from light.
9Forests provide:
(a) Habitat, oxygen, resources and climate regulation
(b) Only timber
(c) No support for soil
(d) Only shade for humans
(a) is correct
Forests support biodiversity and many ecological processes.
10Tree roots help protect soil by:
(a) Making it disappear
(b) Stopping infiltration
(c) Turning it into fuel
(d) Holding it and reducing erosion
(d) is correct
Root networks stabilise ground and slow runoff.
11Soil supports plants by supplying:
(a) Only oxygen
(b) No microorganisms
(c) Anchorage, water and minerals
(d) Only light
(c) is correct
Roots grow through soil to obtain support and resources.
12Rocks are sources of:
(a) Wind
(b) Minerals and materials
(c) Only water vapour
(d) Food made by leaves
(b) is correct
Many building materials and metals originate from rocks and mineral deposits.
13Coal, petroleum and natural gas are:
(a) Fossil fuels
(b) Renewable sunlight
(c) Freshwater resources
(d) Living plants
(a) is correct
They formed from ancient organisms over millions of years.
14Fossil fuels are non-renewable because they:
(a) Regrow each season
(b) Come directly from sunlight each day
(c) Are unlimited
(d) Form far more slowly than we use them
(d) is correct
Human consumption depletes reserves that take geological time to replace.
15Which is a renewable resource?
(a) Petroleum
(b) Natural gas
(c) Sunlight
(d) Coal
(c) is correct
Solar energy is continually supplied on human timescales.
16Which is non-renewable?
(a) Flowing water
(b) Coal
(c) Wind
(d) Sunlight
(b) is correct
Coal reserves are finite and renew extremely slowly.
17The three Rs for responsible resource use are:
(a) Reduce, reuse and recycle
(b) Remove, ruin and replace
(c) Read, record and repeat
(d) Run, rest and return
(a) is correct
The hierarchy prevents waste and reduces demand for fresh resources.
18Reusing an object is often better than immediately recycling it because reuse:
(a) Always creates more waste
(b) Uses more raw material
(c) Destroys the object
(d) Usually needs less processing and energy
(d) is correct
Keeping an item in service avoids manufacturing and processing impacts.
19Sustainable use means:
(a) Ignoring pollution
(b) Stopping every use of nature
(c) Meeting present needs without exhausting resources for the future
(d) Using everything quickly
(c) is correct
Responsible consumption balances human needs with long-term ecological health.
20Why are humans considered part of nature?
(a) Human actions never affect ecosystems
(b) We depend on and interact with natural systems
(c) We need no air or water
(d) Resources come only from shops
(b) is correct
Our survival and well-being are inseparable from air, water, soil and living communities.
