An angiosperm is different from a gymnosperm in the absense of

Question

✓

Answer

d
(d)In Angiosperm seeds are enclosed with in a hollow ovary.

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Assertion $A:$ In gymnosperms the pollen grains are released from the microsporangium and carried by air currents.

Reason $R$ : Air currents carry the pollen grains to the mouth of the archegonia where the male gametes are discharged and pollen tube is not formed.

In the light of the above statements, choose the correct answer from the options given below :

Statement I: Bryophytes and pteridophytes have haplo-diplontic life cycle.
Statement II: A dominant, independent, photosynthetic, thalloid or erect phase is represented by a haploid gametophyte and it alternates with the short lived multicelluler sporophyte.