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In molluscs, body is covered with extern...

In molluscs, body is covered with external skeleton made up of

A

Spongin fibres

B

Chitin

C

Calcium carbonate

D

Calcium silicate

Text Solution

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The correct Answer is:
C
In mollusc body is covered with external skeleton made up of calcium carbonate..
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A2Z-ANIMAL KINGDOM-Section A : Topicwise Questions Topic 4 : Phylum-arthropodia , Mollusca , Echinodermata
  1. Match the column I and II and choose the correct combination from the ...

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  2. In molluscs, gills (feather-like) have the

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  3. In molluscs, body is covered with external skeleton made up of

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  4. Fill in the blanks.

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  5. Which one of the following statements about all the four of Spongilla...

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  6. Select the correct order of classification of Rana tigrina upto genus

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  7. Match the column I and II and III and choose the correct combination f...

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  8. Read the following statements and find out the incorrect statements(s)...

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  9. ltBrgt Match the columns I and II, and choose the correct combination ...

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  10. Beside the mammals, vivipary is also found in some members of

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  11. Read the following statements and find out the incorrect statement.

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  12. Match the column I, II and III and choose the correct combination from...

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  13. Which of the following animal does not belong to division Gnathostomat...

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  14. The two more distantly related phyla are

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  15. Peripatus is a connecting link between :

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  16. Chordates differ from non - chordates in having

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  17. Math the column I and II, and choose the correct combination from the ...

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  18. One of the followings is a very unique feature of the mammalian body

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  19. In chondrichthyes, claspers are seen on

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  20. Most poisonous fish is

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