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Animals showing blind sac body plan with...

Animals showing blind sac body plan with single opening are included in phylum……… .

A

cnidaria

B

porifera

C

Platyhelminthes

D

annelida

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CHETANA PUBLICATION-Kingdom Animalia -Exercise
  1. The phyla showing presence of ostia is……………. .

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  2. Asexual reproduction in poriferans is by…………. .

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  3. Animals showing blind sac body plan with single opening are included i...

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  4. Sedentary, tubular, cylindrical forms of coelenterate are called………… .

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  5. Which one of the following does not apply to coelenterata?

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  6. Which of the following has nerve cells but no nerves?

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  7. Excretion occurs with the help of glomerulus in………. .

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  8. Female ascaris is distinguishable from male ascaris by having………. .

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  9. …………………is a living fossil.

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  10. Metamerically segmented body is seen in………….. .

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  11. ……………….are the locomotory structure in Nereis.

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  12. Nephridia in earthworm is analogous to…………. .

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  13. Buccal cavity with a rasping organ called radula is characteristic fea...

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  14. Green glands are present in…………. .

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  15. ………………….is a sanguivorous arthropod.

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  16. Respiratory organs of a scorpion are…………. .

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  17. Highly evovled mouth parts for biting, sucking, chewing are seen in………...

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  18. Which of the following are economically not important arthropods?

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  19. Body of……….is divided into head, visceral mass and foot.

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  20. A rasping organ in buccal cavity of pila is called………….. .

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