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Question: Answered & Verified by Expert
Algal zone is present in
BiologyPlant KingdomJIPMERJIPMER 2004
Options:
  • A normal root of Cycas
  • B coralloid root of Cycas
  • C normal root of Pinus
  • D stem of Cycas
Solution:
1268 Upvotes Verified Answer
The correct answer is: coralloid root of Cycas
The cortex in coralloid roots of Cycas is divided into inner and outer regions by algal zone. The cells of this zone contain endophytic algal forms particularly Anabaena cycadeae and Nostoc punctiforme.

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