Sperm Packets of Cephalopods Are Called

Q20: Pigment cells of cephalopods are called<br>A)pinacocytes.<br>B)odontophores.<br>C)chromatophores.<br>D)erythrocytes.<br>E)nautilophores.

Q21: Which of the following is not a

Q22: Muscles responsible for closing the bivalve shell

Q23: Among molluscs,extension of body structures such as

Q24: In some gastropods,a(n)_ is found on the

Q26: The oldest part of the bivalve shell

Q27: The space between the mantle and foot

Q28: The rasping structure occurring in the mouth

Q29: The only living cephalopods that possess an

Q30: The inner layer of the mollusc shell