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12th Grade Platyhelminthes Quizzes , Questions & Answers

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Regeneration Quiz: The Flatworm That Can Rebuild Itself

This assessment explores the fascinating world of flatworms and their remarkable ability to regenerate lost body parts. It evaluates understanding of biological concepts related to regeneration, cellular processes, and the...

Questions: 15 | Attempts: 15 | Last updated: Mar 20, 2026

Sample Question 1
What are neoblasts in planarian flatworms, and why are they essential to the regeneration process?

Specialized muscle cells in the ventral body wall that contract to seal wounds after injury

Pigment-producing cells in the epidermis that restore original coloration after regeneration is complete

The only mitotically active somatic stem cells in planarians, capable of differentiating into any cell type needed to replace lost tissue

Specialized immune cells that migrate to injury sites to protect against infection during wound healing

Sample Question 2
A planarian flatworm cut transversely into two pieces will regenerate such that both the head piece and the tail piece each form a complete new organism.

True

False

Sample Question 3
What is the term for the mass of undifferentiated proliferating cells that forms at a wound site in a regenerating planarian before differentiating into missing body structures?

Cambium

Necrotic plug

Totipotent callus

Blastema

12th Grade Platyhelminthes Quizzes , Questions & Answers

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