Question

How many polar nuclie are found in mature embryo sac

Answer 1

I think,

The central cell of a mature angiospermic embryo sac contains two polar nuclei.

The two polar nuclei get fused prior to fertilisation to form a diploid secondary nucleus.

Hence, the central cell is binucleate.

Answer 2

Helo mate here your ans

The central cell of a mature angiospermic embryo sac contains two polar nuclei. The two polar nuclei get fused prior to fertilisation to form a diploid secondary nucleus.

Hope this ans help you..