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In Hydra, egestion of undigested food an...

In Hydra, egestion of undigested food and excretion of nitrogenous wastes occur through

A

mouth and tentacles

B

mouth and body wall

C

mouth and mouth

D

body wall and body wall

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The correct Answer is:
B
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ARIHANT NEET-ANIMALIA -I (LOWER INVERTEBRATES)-CHAPTER EXERCISES (Taking it together) Assorted Questions of the Chapter for Advanced Level Practise
  1. Which is correct about nematocyst in Hydea

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  2. Zoochlorellae and zooxanthallae present in Hydra are

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  3. In Hydra, egestion of undigested food and excretion of nitrogenous was...

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  4. In Hydra , both Flagella and pseudopodia are found in

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  5. Gonads of Obelia occur

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  6. Hydrozoa is distinguished from other coelenterates by

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  7. Spermatogonia in Hydra develop from

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  8. The body of Ascaris is

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  9. The proximal end of hydra has no adhesive disc, which secretes a stick...

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  10. The animals belonging to this class consist the following characterist...

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  11. Sea Anemone is characterised by

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  12. Comb plates of ctenophores possess

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  13. What is present in mesoglea of ctenophores which make it a loose layer...

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  14. Biradial symmetry and lack of cnidoblasts are the characteristics of

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  15. Parasitrc adaptation of flatworms is

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  16. Turbellarian epiderms differs from that of a trematode due to

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  17. The terminal end of Fasciola is absent . The undigested food gets lost...

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  18. The disease bilharzia is an infectious disease leading to skin rash , ...

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  19. Gut is found in all but not in one of the following taxonomic gr...

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  20. Tapeworm does not possess digestive system as it

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