Environmental Conservation — Homi Bhabha Class 6 Biology MCQs with Solutions
Free Homi Bhabha Class 6 Biology Environmental Conservation MCQs with step-by-step solutions (10 questions). Part of Ecology & Environment. Practise online on Prepizo — no login needed.
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Questions with solutions
Q1 — Environmental Conservation · easy · theory
Cutting down large numbers of trees from forests is called:
A. deforestation ✓ Correct
B. recycling
C. afforestation
D. composting
Solution: Deforestation means cutting down many trees, which harms the environment.
Q2 — Environmental Conservation · easy · theory
Planting many new trees to grow forests is called:
A. littering
B. deforestation
C. afforestation ✓ Correct
D. pollution
Solution: Afforestation means planting trees to make new forests.
Q3 — Environmental Conservation · easy · theory
We can save water while brushing our teeth by:
A. closing the tap while brushing ✓ Correct
B. throwing clean water away
C. letting the tap run the whole time
D. leaving all taps open
Solution: Turning off the tap while brushing saves a lot of clean water.
Q4 — Environmental Conservation · easy · theory
Which of these is a good way to save electricity at home?
A. switching off lights and fans when not needed ✓ Correct
B. keeping all lights on at night
C. running the TV all day
D. leaving the fridge door open
Solution: Switching off lights and fans when they are not in use saves electricity.
Q5 — Environmental Conservation · medium · theory
A protected area where wild animals live safely and hunting is not allowed is called a:
A. factory
B. wildlife sanctuary ✓ Correct
C. shopping mall
D. railway station
Solution: A wildlife sanctuary is a protected place where wild animals are kept safe.
Q6 — Environmental Conservation · medium · theory
Why are trees and forests important for us?
A. they give out oxygen and provide homes for animals ✓ Correct
B. they use up all the water
C. they make no difference at all
D. they make the air dirty
Solution: Trees give out oxygen, provide homes for animals and help keep the air clean.
Q7 — Environmental Conservation · medium · theory
Carrying a cloth bag instead of taking a new plastic bag when shopping helps to:
A. make more litter
B. pollute rivers
C. waste money only
D. reduce plastic waste ✓ Correct
Solution: Reusing a cloth bag cuts down the plastic waste that harms the environment.
Q8 — Environmental Conservation · medium · theory
An animal like the tiger is called "endangered" because:
A. there are far too many of them
B. they live only inside cities
C. very few of them are left and they may disappear ✓ Correct
D. they are not real animals
Solution: Endangered animals are those whose numbers are so low that they could vanish forever.
Q9 — Environmental Conservation · hard · theory
Solar panels and windmills are called clean or "green" energy because they:
A. waste electricity
B. burn a lot of coal
C. produce heavy smoke
D. make energy without polluting the air ✓ Correct
Solution: Solar and wind energy make power without polluting the air, unlike burning coal.
Q10 — Environmental Conservation · hard · theory
Saving water, planting trees and using less plastic are all examples of:
A. making more pollution
B. wasting resources
C. conserving (protecting) the environment ✓ Correct
D. harming the environment
Solution: These actions protect our natural resources, which is what conservation of the environment means.