Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Specialized cells for fixing atmospheric nitrogen in Nostos are
Text Solution
Verified by ExpertsThe correct answer is:
B
In the genus Nostoc (a type of cyanobacteria), heterocysts are specialized, thick-walled cells specifically designed for nitrogen fixation. These cells provide a micro-anaerobic (oxygen-free) environment that protects the enzyme nitrogenase from being inactivated by oxygen, allowing the conversion of atmospheric nitrogen (N 2 ) into usable ammonia (NH 3 ).
──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Viruses are non-cellular organisms but replicate themselves once they infect the host cell. To whic…
Tobacco mosaic virus is
Given below is the diagram of a virus. In which one of the options, all the three
The subunit of capsid is called
Viruses are also known as
The latest view for the origin of viruses is