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Biradial symmetry and lack of cnidoblast...

Biradial symmetry and lack of cnidoblasts are the characteristics of

A

Starfish and sea anemone

B

Ctenoplana and Beroe

C

Aurelia and Paramecium

D

Hydra and starfish

Text Solution

Verified by Experts

The correct Answer is:
A
Ctenoplana and Berve lack cnidoblasts and have biradial symmetry. These belong to phylum-Ctenophora.
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ARIHANT NEET-ANIMALIA -I (LOWER INVERTEBRATES)-CHAPTER EXERCISES (Taking it together) medical entrances gallery (Collection of Questions Asked in NEET & in various Entrance Exams))
  1. Pentaradial symmetry occurs in

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  2. Which one of the following statements about certain given animals is c...

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  3. Biradial symmetry and lack of cnidoblasts are the characteristics of

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  4. Sycon belongs to a group of animals which are best described as

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  5. The true statement regarding corals is

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  6. Jellyfish belongs to class

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  7. Nematoblasts are found in

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  8. Match the following cloumns .

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  9. Flatworms excrete through

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  10. Which of the following cells are useful for feeding in sponges?

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  11. In most simple type of canal system of porifera, water flows through w...

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  12. Which one of the following animal phyl possesses spicules ?

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  13. The non-cellular layer present between pinacoderm and choanoderm in bo...

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  14. The skeleton of sponges is secreted by

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  15. Gemmuls formation is a characteristics feature of

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  16. Symmetry in Cnidaria is

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  17. Animals that rely on the heat from the environment , rather than of me...

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  18. Which one of the following exhibits concentric 'tube within tube' plan...

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  19. Which of the following has biradial symmetry ?

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  20. Coelom is found between the cavity of

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