🧠 Interactive Quiz: Phylum Ctenophora and Mollusca
CTENOPHORA SECTION
1. Which of the following is a unique feature of ctenophores?
2. How many comb plates (ctenes) are present in a typical ctenophore?
3. What type of symmetry do ctenophores show?
4. The body of ctenophores is made up of:
5. Which of the following structures helps ctenophores in locomotion?
6. The digestive system of ctenophores is:
7. Colloblasts are used by ctenophores for:
8. Which of the following is a common example of ctenophore?
9. The habitat of ctenophores is:
10. Ctenophores exhibit which type of reproduction?
MOLLUSCA SECTION
11. The body of mollusks is divided into:
12. The rasping organ in mollusks is called:
13. The body cavity of mollusks is:
14. Shell in mollusks is secreted by:
15. Which of the following classes includes the octopus and squid?
16. Circulatory system in most mollusks (except cephalopods) is:
17. What type of symmetry do mollusks have?
18. The excretory organs in mollusks are called:
19. Pearl formation in oysters is due to:
20. The larval forms of mollusks include:
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