Aschelminthes β€” NEET Biology Questions

Practice 30 questions on Aschelminthes from Animal Kingdom (NCERT Class 11, Chapter 4). Free samples below β€” get all 30 in the app.

30 Questions Animal Kingdom Class 11

Sample Questions β€” Aschelminthes

Try 5 questions below from Aschelminthes. Get all 30 in the MedicNEET app.

MCQ
What is the nature of symmetry in Aschelminthes?
  • A. Asymmetrical
  • B. Bilateral
  • C. Radial
  • D. Biradial
βœ… Correct Answer: B
Aschelminthes show bilateral symmetry with left and right sides mirror images.
MCQ
Why is triploblastic condition evolutionarily significant in Aschelminthes?
  • A. It leads to the development of true coelom
  • B. It enables radial symmetry
  • C. It allows formation of complex organs from mesoderm
  • D. It supports intracellular digestion
βœ… Correct Answer: C
Mesoderm in triploblastic animals gives rise to complex organ systems for movement, excretion, and reproduction.
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MCQ
Why are Aschelminthes called 'roundworms'?
  • A. Because their body is coiled like a spring
  • B. Because their body is radially symmetrical
  • C. Because they have round heads
  • D. Because their cross-section is circular
βœ… Correct Answer: D
The name β€˜roundworm’ originates from the circular appearance of their body in transverse section.
MCQ
Which structure helps Aschelminthes in ingestion of food?
  • A. Cilia
  • B. Muscular pharynx
  • C. Suckers
  • D. Flame cells
βœ… Correct Answer: B
Their pharynx is adapted to help ingest food through the mouth.
MCQ
Which of the following is NOT a correct characteristic of Aschelminthes?
  • A. Triploblastic and pseudocoelomate
  • B. Bilateral symmetry
  • C. Metamerically segmented body
  • D. Organ system level of organisation
βœ… Correct Answer: C
Aschelminthes are unsegmented unlike annelids which are metamerically segmented.

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