Which one of these is a non-biodegradable waste?
The ultimate source of energy in our ecosystem is
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Which one among the following is a lotic ecosystem?
Sahara desert was formed over a period of time due to
Decomposition of household wastes under natural conditions is known
Which of these is an artificial ecosystem?
In a food chain a grasshopper is eaten by a frog, the energy transfer will be from
Which of the following is not a producer?
Which of the following cannot be added in a composting pit to prepare compost?
The ‘Ten-percent Law’ of energy flow in food chain is proposed by
13 videos|44 docs|187 tests
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13 videos|44 docs|187 tests
|