Which of the following gymnospermic corolloid roots are associated with 
-fixing cyanobacteria?
a)
Pinus
b)
Cycas
c)
Cedrus
d)
Ginkgo
Which of the following gymnospermic corolloid roots are associated with -fixing cyanobacteria?
a)
Pinus
b)
Cycas
c)
Cedrus
d)
Ginkgo
Question ID - 1687 | SaraNextGen Top Answer
Which of the following gymnospermic corolloid roots are associated with -fixing cyanobacteria?
a)
Pinus
b)
Cycas
c)
Cedrus
d)
Ginkgo
|
Which of the following gymnospermic corolloid roots are associated with |
|||||||
|
a) |
Pinus |
b) |
Cycas |
c) |
Cedrus |
d) |
Ginkgo |
1 Answer
127 votes
Answer Key / Explanation : (b) -
|
(b) Corolloid root is developed in Cycas. It contain an algae zone in the cortex. This algal zone contains blue-green algae (cyanobacteria) like Nostoc, Anabaena, which grow in symbiotic association with corolloid root |
127 votes
Answer Link
127