1.

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

A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true and (R) is not correct explanation of (A)
C. (A) is false but (R) is true
D. (A) is true but (R) is false
Answer» D. (A) is true but (R) is false


Discussion

No Comment Found