A) its embryo is immature.
B) it has obligate association with mycorrhizae.
C) it has very hard seed coat.
D) its seeds contain inhibitors that present germination.
Correct Answer: B
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.You need to login to perform this action.
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