OBJECTIVE OF THE ECHINODERMS

OBJECTIVE OF THE ECHINODERMS

OBJECTIVE OF THE ECHINODERMS Multip e Choice Questions MCQs 1.The origin of ossicle is: (a) Ectoderm           (b) Mesoderm             (c) Endoderm                  (d) None 2. Hamel system is derived from: (a)Ectoderm             (b) Mesoderm           (c) Endoderm                  (d) Coelom 3. Echinoderms are: (a)Deutrostome       (b) Protostome            (c) Schizocoelous                (d)