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  4. Triploid tissue will be observed in -

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Q. Triploid tissue will be observed in -

NTA AbhyasNTA Abhyas 2020Sexual Reproduction in Flowering Plants

Solution:

Double fertilization is a unique characteristic observed in the Angiosperm group of plants. In this, two fertilizations are observed - $1^{s t}$ between the female and male gametic cells forming zygote and $2^{n d}$ is between the second male gamete and polar nuclei forming the primary endosperm nucleus. The ploidy of PEN is 3n (male gamete $\left[\right.1n\left]\right. \, +$ polar nuclei $\left[\right.2n\left]\right.$ ).