NEET-XII-Physics
Previous Year Paper year:2017
- #153Pinus seed cannot germinate and established
without fungal association. This is because :
(1) its embryo is immature.
(2) it has obligate association with
mycorrhizae.
(3) it has very hard seed coat.
(4) its seeds contain inhibitors that present
germination.digAnsr: 2Ans : ( 2 )
Sol. 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