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Which of the following is not a characte...

Which of the following is not a characteristic feature of sponges?

A

Cellular level of organisation

B

Presence of ostia

C

Intracellular digestion

D

Body supported by chitin

Text Solution

Verified by Experts

The correct Answer is:
D
In sponges, body is not supported by chitin. Their body is supported by calcareous or siliceous spicules or protein spongin fibres.
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NCERT FINGERTIPS-ANIMAL KINGDOM-Animal Kingdom
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  2. In the most simple type of canal system of Porifera, which of the foll...

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  3. Which of the following is not a characteristic feature of sponges?

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  4. Which is not correct for sponges?

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  5. The statements given below shows some characteristics of a phylum. Ide...

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  6. Which of the following statements is correct for sponges without excep...

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  7. Which of the following is not a correct match of animal and its habita...

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  8. Stinging capsules (nematocysts) are found in

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  9. Match the following and select the correct option from the codes gives...

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  10. Which of the following have porous body and are diploblastic?

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  11. Identify the figures A, B, C and D and select the correct option.

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  12. The characters given below are shown by (i) Extracellular and intra...

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  13. Given below are three statements regarding Aschelminthes. (i) They a...

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  14. In which of the following, segmentation in the body is first observed?

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  15. Identify the figures A,B, C and D and select the correct option.

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  16. Match column I with column II and select the correct option from the g...

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  17. Consider the following statements (A-C) each with two blanks. A. Ani...

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  18. Match column I with column II and select the correct option from the g...

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  19. Read the given statements and select the correct option. Statements ...

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  20. What is common between earthworm and Periplaneta?

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