$5^{\text {th }}$ $June$ is celebrated as
$5^{\text {th }}$ $June$ is celebrated as
- A
Water day
- B
World environment day
- C
Conservation day
- D
World earth day
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A bird enters the mouth of crocodile and feed on parasitic leeches. The bird gets food and crocodile gets ribs of blood sucking leeches. Both the partners can live independently. Such an association is
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Concept of mimicry was given by ...$A$...
Father of Indian Plant Ecology ...$B$...
Term 'ecology' coined by ...$C$...
Here $A, B$ and $C$ refers to
Concept of mimicry was given by ...$A$...
Father of Indian Plant Ecology ...$B$...
Term 'ecology' coined by ...$C$...
Here $A, B$ and $C$ refers to