Fundamentholfundamenthol
NEET2019Paper 2019Biology
Q.

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

  1. A

    its embryo is immature.

  2. B

    it has obligate association with mycorrhizae.

  3. C

    it has very hard seed coat.

  4. D

    its seeds contain inhibitors that present germination.

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

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