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Diploblastic and triploblastic are terms...

Diploblastic and triploblastic are terms that describe

A

the number of invaginations during embroyonic development

B

the number of germinal layers during embryonic development

C

the number of germinal layers during embryonic development

D

the number of cell types during development.

Text Solution

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The correct Answer is:
C
Diploblastic animals have two germinal layers (ectoderm and endoderm) during embryonic develoment, e.g., poriferans. Triploblastic animals have three germinal layers (ectoderm, mesoderm and endoderm) during embryonic develoment, e.g., platyhelminthes.
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NCERT FINGERTIPS-ANIMAL KINGDOM-Animal Kingdom
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  2. Identify type of symmetery in the given animals A and B.

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  3. Diploblastic and triploblastic are terms that describe

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  4. The animals posseing the following type of germ layers (A and B) are c...

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  5. Examine the figures of diploblastic (i) and triploblastic (ii) organis...

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  6. The figures given below show the types of coelom. Identify them and se...

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  7. Which of the following are correct? {:((i)"Diploblastic",:,"Porifer...

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  8. Select the correct matching of animals, their symmetry, organisation a...

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  9. The given figures shown a cross section of the body of an invertebrate...

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  10. Read the given statements and select the correct option. Statement 1...

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  11. Which of the following is correctly matched?

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  12. Study carefully the given flow chart and fill in the blanks (A), (B), ...

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  13. Identify the given figures A, B and C and select the correct option.

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  14. In the most simple type of canal system of Porifera, which of the foll...

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

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  16. Which is not correct for sponges?

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

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  20. Stinging capsules (nematocysts) are found in

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