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Which special cells are present in the b...

Which special cells are present in the body of sponges (Porifera) ?

A

Collar cells

B

Cnidoblasts

C

Germs cells

D

Ectodermal cells

Text Solution

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The correct Answer is:
A
Collar cells
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TARGET PUBLICATION-ANIMAL CLASSIFICATION-Chapter assignment
  1. Which special cells are present in the body of sponges (Porifera) ?

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  2. Which of the following is an acorn worm ?

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  3. Doliolum belongs to subphylum

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  4. Digits with nails, claws or hooves are present in

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  5. is a cold blooded animal.

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  6. True or false. If false , write the correct sentence. Urochordates a...

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  7. Complete the analogy. Honey bee : Unisexual :: Oikopleura :

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  8. Name the structure that is useful as a steering organ in Pisces.

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  9. Match the columns.

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  10. Vertebrates are Chordates but all Chordates are not Vertebrates.

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  11. Give scientific reasons. Earthworms belong to phylum Annelida.

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  12. Which animals are classified as chordates ? Give examples.

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  13. Mention any four characteristics features of members belonging to clas...

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  14. Differentiate between Platyhelminthes and Aschelminthes.

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  15. Observe the figure and answer the question Identify the animal.

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  16. Observe the figure and answer the question To which phylum does the...

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  17. Observe the figure and answer the question Identify the structure m...

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  18. Complete the given table.

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  19. Explain the detail the types of body symmetry.

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  20. Sketch and label starfich. Enlist the characteristic features of Echin...

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  21. Classify and explain the characters of Petromyzon.

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