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Agriculture · Q260

Soil Science

Graduate and Post Graduate · Agriculture · question 260

Q260

'Heterocysts' are specialized N fixing stricture, found in

A.
Algae
B.
BGA
Answer
C.
Fungi
D.
Protozoa

Answer: Option B

Solution

Answer: Option B
Solution:
Heterocysts are specialized N fixing structures found in BGA (Blue green algae).
A heterocyst is a differentiated cyanobacterial cell that carries out nitrogen fixation in aerobic conditions. It is formed during nitrogen starvation by some filamentous cyanobacteria. It works by differentiating highly specialized cells to provide fixed nitrogen to the vegetative cells in a filament.