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In porifera, the simplest canal system i...

In porifera, the simplest canal system is

A

Ascon type

B

Sycon type

C

Leucon type

D

Rhagon type

Text Solution

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The correct Answer is:
A
In Porifera, the simplest canal system is ascon type.
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A2Z-ANIMAL KINGDOM-Section A : Topicwise Questions Topic 2 : Phylum-porifera , Coelenterata (cnidaria) , Ctenophora
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  2. Correct flow of water current in sponges is

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  3. If '1' represents the extracellular digestion, '2' represent the intra...

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  4. Matcht he column I, II and III and choose the correct combination from...

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  5. Fill in the blanks In sponges, fertilisation is a and development is...

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  6. Read the following statements: (a). Polyp is sessile and cylindrical...

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  7. Cnidoblasts are used for

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  8. Match the columns I and II, and chose the correct combination from the...

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  9. cold blooded animals are also called

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  10. Dipholoblastic, radially symmetrical, marine animal showing biolumines...

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  11. In porifera, the simplest canal system is

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  12. Looping and sommersaulting are the modes of locomotion found in

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  13. For life cycle of Obelia, most appropriate term used is

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  14. Given below are types of cells present in some animals. Each one is sp...

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  15. match the column I, II and III and choose the correct combination from...

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  16. Bioluminescent property is well marked in

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  17. In sea-walnuts and comb-jellies the fertilization is

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  18. Metagenesis is seen in

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  19. Fill I the blanks: Sponges reproduces aby fragmentation and bby form...

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  20. Corals are the member of

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