4. Which of the following part of Mollusca is
present in all without any exception ?
(A) Head
(B) Shell
(C) Foot
(D) Radula
Answers
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Answer:
head is the part of mollusca
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Shell is present in all Mollusca without any exception.
Option: (D)
Explanation:
- An important source of food and jewelry, all Mollusca have hard shells covering and protecting their soft bodies.
- They have a very delicate and complex digestive system and their body is divided into three parts, namely, the head, subliminal body mass, and foot.
- They can survive into both kinds of habitat which means they can live in terrestrial as well as aquatic environments.
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