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Standard XII
Biology
Phylum Cnidaria
Question

Regeneration capability of Hydra is
  1. Maximum in oral region
  2. Minimum in middle region
  3. Maximum in basal region
  4. Equal in all the regions

A
Maximum in basal region
B
Maximum in oral region
C
Equal in all the regions
D
Minimum in middle region
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Solution
Verified by Toppr

Regeneration capability of Hydra is equal in all the regions because when a hydra is cut into segments, each segment, if large enough, will grow into an individual hydra sized relative to the size of the segment. Any fragment larger than a few hundred epithelial cells has the capacity to regenerate. Stem cells in the hydra supports its efficient regenerative ability.
So, the correct answer is 'Equal in all the regions'

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