Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.
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Fishes have a ........ chambered heart.
The dispute over Siachin Glacier is between
Which of the forts was called the 'Troy of the East' by the British ?
If cosθ = x2-y2x2+y2, then the value of cotθ is
Felis Catus is the scientific name of
√[(1 sinA)/(1 + sinA)] is equal to?
_____ is the source of energy and materials in human beings.