The largest ovule in the plant kingdom is found in $......$.

What type of plant is shown in the given figure?

In gymnosperms,male gametes are discharged near the mouth of archegonia by:

In which of the following plants does single fertilization occur?

Given below are two statements: One labelled as Assertion $A$ and the other labelled as Reason $R$:
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:

Which of the following plants produce seeds but are flowerless?