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Standard VI
Physics
Comets
Arms are not ...
Question
Arms are not sharply delimited from central disc in____________.
A
Ophiuroidea
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B
Asteroidea
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C
Crinoidea
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D
Both A and B
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Solution
The correct option is
C
Asteroidea
In case of Asteroidea, the body is star shaped with five radiating arms, which are not sharply delimited from central disc.
So, the correct answer is 'B'.
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