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What are the respiratory organs of mollu...

What are the respiratory organs of molluscs ?

A

Gills or ctenidia

B

Mantle

C

Pulmonary sac

D

All of these

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The correct Answer is:
D
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ARIHANT NEET-ANIMALIA-II (HIGHER INVERTEBRATES) -Chapter Exercises A) Taking it together (Assorted Questions of the Chapter for Advanced Level Practice)
  1. In the members of phylum- Mollusca , the anterior head region has

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  2. Haemocyanin, the blue coloring pigment of molluscen blood contains

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  3. What are the respiratory organs of molluscs ?

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  4. In the mantle cavity , feather-like gills are present , which have

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  5. Which of the following is found in Mollusca ?

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  6. What is the function of statocyst of snail ?

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  7. The characteristic larva formed in case of indirect development in mol...

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  8. Torsion and detorsion are characteristic features in

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  9. The mollusc which is considered to be a living fossll and also shows c...

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  10. Elephant's tusk shell belongs to the class

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  11. The molluscan which is dioecious with a single gonad and trochophore l...

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  12. Torsion is a characteristic in Pila belonging to class

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  13. The most important characteristic feature of gastropod molluscs is

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  14. Hatchet-shaped foot , extending between the mantle lobes , are present...

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  15. Which of the following cephalopods possesses an external shell ?

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  16. From which of the following , head and tentacles of Cephalopoda are de...

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  17. Ammonites fossil shell remains of

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  18. Echinoderms are heartless , brainless , headless , yet from evolutiona...

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  19. In which of the following only echinoderms are found ?

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  20. The endoskeleton of echinoderms is unique with respect to other invert...

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