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One example of animals having a single o...

One example of animals having a single opening to the outside that serves both as mouth as well as anus is

A

Fasciola

B

Ancylostoma

C

Asterias

D

Ascidia

Text Solution

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The correct Answer is:
A
Fasciola
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AAKASH INSTITUTE ENGLISH-ANIMAL KINGDOM (GENERAL ACCOUNTS & NON-CHORDATES)-Assignment (Section-B)
  1. In Hydra, waste materials after digestion and nitrogenous waste materi...

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

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  3. One example of animals having a single opening to the outside that ser...

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  4. In contrast to Annelids, Platyhelminthes show

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  5. Tube feet are characteristic structures (a) star fish (b) cuttle fi...

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  6. Which of the following is not a character of phylum hemichordata?

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  7. Body of insect is divisible into

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  8. Exretory organs of arthropods are

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  9. The presence of a special sense organ statocyst at the opposite end of...

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  10. Johnston's organ present in mosquitoes, are to detect vibration. They ...

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  11. Radula is meant for

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  12. Match the following (w.r.t. type of metamorphsis invovled)

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  13. One of the following can't be taken as the character of non-chordates

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  14. Which of the following is not a digenetic worm?

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  15. In which group of molluscs torsion is a ery important event in the lif...

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  16. Which of the following type of nephridia of are not found in earthworm...

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  17. In which of the following arthropods the eggs hatch within the female ...

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  18. In which of the following arthropods the development is paurometabolou...

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  19. Which one of the following class of phylum mollusca is incorrectly mat...

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  20. Which of the following is not a characteristic feature of phylum Nemat...

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