Question

Total number of nuclei involved in double fertilisation is:

• A. Four
• B. Five
• C. Three
• D. Two

Answer 1

The correct option is B Five

• The number of haploid nuclei fusing during syngamy $=1$ male gamete nuclei $+1$ egg nuclei $=2$
• The number of haploid nuclei fusing during triple fusion $=1$ male gamete nuclei $+2$ polar nuclei $=3$.

Thus, total number of nuclei involved in double fertilisation $=2+3=5$