What is biomagnification? Give one example.
Pollution
Original Khojo Papers practice question — not from a past board paper.
Segregate waste and compost the wet waste on the premises. Harvest rainwater from the roof and repair leaking taps. Replace lights and fans with efficient ones and switch them off when rooms are empty. Plant and maintain trees, ban single-use plastic and encourage cycling and shared transport.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Measuring the school's water and electricity use before and after makes the effect visible.
From the same topic and chapter, at a similar level.
What is biomagnification? Give one example.
Pollution
State three harmful effects of noise pollution.
Pollution
Suggest four ways in which a city can reduce its air pollution.
Pollution
State three sources of air pollution and one effect of each.
Pollution
What is eutrophication and how is it caused?
Pollution
What is thermal pollution and what harm does it do?
Pollution