NEET 2019 Biology question

Pinus seed cannot germinate and established without fungal association. This is because :

(1)its embryo is immature.
(2)it has obligate association with mycorrhizae.Correct
(3)it has very hard seed coat.
(4)its seeds contain inhibitors that present germination.

Answer: (2)

Solution

The roots of Pinus are associated with a fungus (mycorrhiza). The fungal hyphae increase the surface area for absorption of water and minerals (especially phosphorus), and in return the fungus obtains

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Question ID VK-092527