Question
General Knowledge Question on General Knowledge Based
Following are the characteristics of Mollusc's:
A. Mollusc's are protostomes, have coelom reduced to cavities surrounding heart, nephridia and gonads.
B. Mollusc's members possess a head-foot, visceral mass, mantle and mantle cavity.
C. The rasping organ consists of muscular belt with rows of posteriorly curved teeth.
D. The molluscan body form in the cephalopoda undergoes a 180° anti-clockwise twisting of visceral mass.
E. Protostome characteristics for molluscs also include trocophore larvae spiral cleavage and schizococelous coelom formation.
Choose the set with correct statements from the options given below :
A
A, B and C only
B
B, C and D only
C
A, B and E only
D
C, D and E only
Answer
A, B and E only
Explanation
Solution
The correct answer is (C) : A, B and E only.