EASY
5th Maharashtra Board
IMPORTANT
Earn 100

What could be the reasons for air pollution?  

Important Questions on The Environment and Us

MEDIUM
5th Maharashtra Board
IMPORTANT
What are the different purposes for which fuels such as petrol, diesel, kerosene, natural gas, coal and wood are used?
MEDIUM
5th Maharashtra Board
IMPORTANT

Question Image

You see a food chain in the picture above. One of the links is missing. What effect will it have on the grasshopper? On the bird? What picture should there be in the blank space? If this living thing really died out, what would be the threat to the entire living world?         

MEDIUM
5th Maharashtra Board
IMPORTANT
What’s the solution?
Rivers and lakes are filled with water hyacinth.
EASY
5th Maharashtra Board
IMPORTANT
What would happen if no kites (birds) are left in a particular region? Which living things would increase in number? Which would decrease?  
MEDIUM
5th Maharashtra Board
IMPORTANT
Give two causes of air pollution.
EASY
5th Maharashtra Board
IMPORTANT
Dead plants and animals are abiotic components.
EASY
5th Maharashtra Board
IMPORTANT

It is necessary to conserve biodiversity.

EASY
5th Maharashtra Board
IMPORTANT
Classify the following as natural or man-made.
Soil, horse, stone, water hyacinth, book, sunlight, dolphin, pen, chair, water, cottonwool, table, trees, brick.