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Human Health and Disease — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Health and Disease1 Mark
MCQ
The eggs of which parasite are bile stained:
  • A
    Roundworm
  • B
    Hookworm
  • C
    Guinea worm
  • D
    Threadworm
✓

Answer

  1. Roundworm

Explanation:

Roundworm or Ascaris is a parasitic nematode. The fertilized eggs are ovoid. The uterine wall contributes to the lumpy and thick outer layer of the egg. The mammillated layer is stained golden-brown by the bile when eggs are passed in the feces.

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