Online Test — Nature's Treasures
15 Questions • 15 min • Chapter MCQ
15:00
Question 1 of 15
Useful materials obtained from nature are called:
Natural resources
Machines
Stimuli
Mixtures
Explanation: Useful materials from nature are natural resources.
Question 2 of 15
Which gas in the air do we need for breathing?
Carbon dioxide
Oxygen
Nitrogen
Smoke
Explanation: We breathe in oxygen from the air.
Question 3 of 15
The loose top layer of the Earth in which plants grow is:
Soil
Rock
Mineral
Coal
Explanation: Soil is the top layer in which plants grow.
Question 4 of 15
Useful substances dug out from rocks, like iron and copper, are:
Minerals
Gases
Soils
Stimuli
Explanation: Minerals are useful substances obtained from rocks.
Question 5 of 15
Resources that do not run out or are quickly replaced are:
Non-renewable
Renewable
Fossil fuels
Minerals
Explanation: Renewable resources do not run out, like sunlight and wind.
Question 6 of 15
Which of these is a renewable resource?
Coal
Petroleum
Sunlight
Natural gas
Explanation: Sunlight is renewable; it never runs out.
Question 7 of 15
Coal, petroleum and natural gas are together called:
Renewable resources
Fossil fuels
Minerals only
Soils
Explanation: These non-renewable fuels formed from once-living things are fossil fuels.
Question 8 of 15
Fossil fuels are non-renewable because they:
Are made fresh each day
Took millions of years to form and will run out
Never get used
Grow back quickly
Explanation: Fossil fuels took millions of years to form, so they cannot be quickly replaced.
Question 9 of 15
Using resources wisely so enough is left for the future is called:
Sustainability
Pollution
Filtration
Reproduction
Explanation: Wise use that protects the future is sustainability.
Question 10 of 15
The three R's of resource care are:
Run, Rest, Repeat
Reduce, Reuse, Recycle
Read, Recall, Revise
Reach, Rise, Return
Explanation: Reduce, Reuse and Recycle are the three R's.
Question 11 of 15
Switching off lights and fans when not in use is an example of:
Reduce
Recycle
Pollute
Waste
Explanation: Using less and not wasting is 'Reduce'.
Question 12 of 15
Sending used materials to be made into new products is:
Reusing
Recycling
Reducing
Refusing
Explanation: Making new things from used materials is recycling.
Question 13 of 15
Which is the cleaner, renewable source of energy?
Burning coal
Solar (Sun) energy
Burning petrol
Burning wood only
Explanation: Solar energy is renewable and does not pollute.
Question 14 of 15
Planting trees (afforestation) helps by:
Removing all soil
Protecting soil, giving oxygen and supporting wildlife
Using up water forever
Polluting the air
Explanation: Trees protect soil, give oxygen and support wildlife.
Question 15 of 15
Most of the Earth's water is:
Fresh and drinkable
Salty sea water
Frozen petrol
Inside rocks as minerals
Explanation: Most of Earth's water is salty sea water; only a little is usable fresh water.