Assertion: Double fertilisation is unique to angiosperms.
Reason: Triple fusion is the fusion of one of the sperm nuclei with the egg nucleus to form zygote.
If assertion is true but reason is false
If both assertion and reason are true but reason is not the correct explanation of assertion
If both assertion and reason are false
If both assertion and reason are true and reason is the correct explanation of assertion

Open in App

Solution

The correct option is A If assertion is true but reason is false
Correct option: (c) If assertion is true but reason is false.

The event of two fertilizations in one embryo sacs is called double fertilization.

It is unique to only angiosperms.

Triple fusion is the event where the diploid zygote finally develops into embryo and the other male gametes fuse with the two polar nuclei and form a triploid (3n) primary endosperm nucleus.

Suggest Corrections

Similar questions

Explain why sexual reproduction in angiosperms is said to take place through double fertilisation and triple fusion. Also draw a labelled diagram of embryo sac to explain the phenomena.

Process of fusion of the sperm nucleus and the egg nucleus and the egg nucleus is termed implantation.

Q. An event unique to angiosperms involves syngamy and triple fusion. The total number of haploid nuclei involved in double fertilization is?

Q. Double fertilisation and triple fusion events are unique to

Q. Triple fusion in angiosperm is the fusion of second sperm with

Join BYJU'S Learning Program