Biological Classification And System Of Classification Question 44
Question: Atmospheric nitrogen-fixation is carried on by
[Pb. PMT 1999]
Options:
A) Funaria
B) Anabaena
C) Chlamydomonas
D) Fern gametophyte
Show Answer
Answer:
Correct Answer: B
Solution:
Anabena is cyanobacteria. It contains heterocysts, which are the organs of nitrogen fixation.
Enzyme nitrogenase is present in heterocysts, which is required for nitrogen fixation.
BETA
