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Question

Coralloid roots help the plant in
  1. Absorption of water
  2. Anchorage
  3. Respiration
  4. Fixation of nitrogen

A
Anchorage
B
Fixation of nitrogen
C
Absorption of water
D
Respiration
Solution
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Coralloid roots help in fixation of nitrogen as it contain symbiotic cyanobacteria also known as blue-green algae, which helps in fixation and in association with root tissues, produce such beneficial amino acids as asparagine and citrulline.
So, the correct answer is option B.

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