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Question

Birds are able to recognise their home through

A
Memory
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B
Smell
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C
Orientation of magnetic field
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D
Eye sight
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Solution

The correct option is C Orientation of magnetic field
Birds often find their way back home all by themselves. Most often this is attributed to their sense of the magnetic field of the Earth. Works by various scientists suggest that this is possible because of the use of quantum mechanics by birds. The light striking the retina of a bird’s eye is assumed to be the stimulant for chemical reactions that are responsible for the use of the magnetic field of Earth by birds to recognize their home.

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