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WorksheetsOur Environment- 1
Total questions: 10
Worksheet time: 2mins
Identify the non- biodegradable substance from the following.
Paper
Tin cans
Vegetable peels
Wood
Find out the odd one
Rainfall Temperature
Temperature
Bacteria
Wind
An artificial ecosystem is
Pond
Forest
Desert
Crop field
Each step of a food chain is called as
Trophic level
Food web
Eutrophication
Biological magnification
Green plans in a terrestrial ecosystem can capture about (a) % of the energy of sunlight falls on their leaves.
Correct statement about a food chain -
Energy increases with higher trophic level
Chemicals increases with higher trophic level
Chemical increases from higher to lower trophic level
Energy remains same in every trophic level
The flow of energy is (a) .
Which of the following constitute a food chain?
Grass, tiger and ant
Tiger, goat and human
Goat, human and grass
Human, fish and crab
Calculate the amount of energy available to snake in the given food chain if there is 6500 J of energy available to grass hopper.
Grass ----> grass hopper ---> frog -----> snake
6500 J
650 J
65 J
6.5 J
Calculate the amount of energy available to plants in the given food chain if the energy available to tiger is 9.7 KJ .
Plants ----> goat ------> tiger
9.7 KJ
0.97 KJ
97 KJ
970 KJ
