Exobiology deals with the study of :

1.	Exobiology deals with the study of :
A.	external characters of living organisms
B.	life on the surface of the earth
C.	life in the outer layers of atmosphere
D.	life in other planets and space
Answer» E.

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Deficiency of Vitamin B<sub>6</sub> in man causes
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Exobiology deals with the study of :

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