1. Tardigrade
  2. Question
  3. Biology
  4. How many of the following statement is/are incorrect? A. Nuclear type of endosperm is the rarest type of endosperm, in which the nucleus remains intact. B. Cellular type of endosperm involves both karyokinesis and cytokinesis, simultaneously. C. Cellular type of endosperm is found in coconut.

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Q. How many of the following statement is/are incorrect?
$A.$ Nuclear type of endosperm is the rarest type of endosperm, in which the nucleus remains intact.
$B.$ Cellular type of endosperm involves both karyokinesis and cytokinesis, simultaneously.
$C.$ Cellular type of endosperm is found in coconut.

NTA AbhyasNTA Abhyas 2020Sexual Reproduction in Flowering Plants

Solution:

In the most common type of endosperm development, the PEN undergoes successive nuclear divisions to give rise to free nuclei. This stage of endosperm development is called free-nuclear endosperm.
In cellular type of endosperm, observed in Capsella (Brassicaceae), karyokinesis is followed by cytokinesis forming solid cellular endosperm. In coconut, nuclear endosperm is formed in which karyokinesis is not followed by cytokinesis initially; thus, liquid nuclear endosperm is formed.