Question
Biology Question on Gymnosperms
Pinus seed cannot germinate and establish without fungal association This is because
A
it has very hard seed coat.
B
its seeds contain inhibitors that prevent germination.
C
its embryo is immature.
D
it has obligate association with mycorrhizae
Answer
it has obligate association with mycorrhizae
Explanation
Solution
Fungus associated with roots of Pinus increases minerals & water absorption for the plant by increasing surface area and in turn fungus gets food from plant. Therefore, mycorrhizal association is obligatory for Pinus seed germination