Question
Biology Question on Kingdom Plant
Which aquatic fern performs nitrogen fixation
A
Azoll
B
Nostoc
C
Salvia
D
Salvinia
Answer
Azoll
Explanation
Solution
Azolla is known for its symbiotic relationship with the nitrogen-fixing cyanobacterium Anabaena azollae, which allows it to fix atmospheric nitrogen into ammonia, providing a source of nitrogen for its growth and surrounding aquatic ecosystems. So, the correct option is (A): Azoll