Plant Kingdom Question 366
Question: Azolla is used as a biofertilizer because it [AIIMS 2003]
Options:
A) Multiplies very fast to produce massive biomass
B) Has association of nitrogen-fixing Rhizobium
C) Has association of nitrogenfixing cyanobacteria
D) Has association of mycorrhiza
Show Answer
Answer:
Correct Answer: C
Solution:
Azolla is used as a biofertilizer because it has association of cyanobacterial members in their internal tissue.
Cyanobacaterial members can fix atmospheric nitrogen.
BETA
