Question

Fusion product of polar nuclei is

• A. synergids
• B. antipodals
• C. endosperm nucleus
• D. secondary nucleus

Answer 1

Answer: (D)

Double fertilization is a unique characteristic observed in the Angiosperm group of plants. In this, two fertilizations are observed - $1^{st}$ between the female and male gametic cells forming zygote and $2^{nd}$ is between the second male gamete and polar nuclei forming the primary endosperm nucleus. The polar nuclei is also called as secondary nucleus that fuses with the second male gamete.