HomeTestsSearchRankProfile
mediumMCQBiologyBiology
4 attempts0% success rate1 mark

A prokaryotic autotrophic nitrogen fixing symbiont is found in:

  1. A
    Alnus
  2. B
    Cycas
  3. C
    Cicer
  4. D
    Pisum

Solution & Step-by-step Explanation

Cycas possesses specialized roots called coralloid roots which host symbiotic cyanobacteria like Anabaena cycadae and Nostoc, which are prokaryotic autotrophic nitrogen fixers. Alnus associates with Frankia (heterotrophic).

Practice this question

Try it yourself before checking the explanation above.

A prokaryotic autotrophic nitrogen fixing symbiont is found in:
A
Alnus
B
Cycas
C
Cicer
D
Pisum

Share This Question

Related Questions

Ready for a Full Test?

Practice with timed mock tests and track your performance across Biology.

Discussion