Question

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.​

• A. If assertion is true but reason is false​
• B. If both assertion and reason are true but reason is not the correct explanation of assertion​
• C. If both assertion and reason are false​
• D. If both assertion and reason are true and reason is the correct explanation of assertion​

Answer 1

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.​