AP Police Constable Prelims 6-Nov-2016 Solved Paper

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Assertion (A): In echinoderms, water vascular system helps in excretion
Reason (R): In echinoderms excretory system is absent

Both (A) and (R) are true and (R) is the correct explanation of (A)
Both (A) and (R) are true and (R) is not correct explanation of (A)
(A) is false but (R) is true
(A) is true but (R) is false

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