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Question

Phragmoplast is precursor of

A
Leucoplast
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B
Chloroplast
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C
Chromoplast
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D
Cell plate
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Solution

The correct option is D Cell plate

During cytokinesis which is the division of the cytoplasm to form two new daughter cells; organelles are divided, daughter cells formed that are genetically identical and cells return to interphase. Due to their rigid cell walls, plant cells cannot form furrows as seen in animal cells. Instead, during telophase, a cell plate forms across the cell in the location of the old metaphase plate separating the two forming cells. During telophase, membrane-enclosed vesicles derived from the Golgi apparatus migrate to the center of the cell where the metaphase plate used to be and fuse to form a cell plate. Gradually, the growing cell plate fuses with the existing plasma membrane, producing two daughter cells, each with its own plasma membrane. The cell wall is responsible for helping give plants their form, and therefore must be established when a cell divides. Hence, plants use microtubule spindle structures knowns as phragmoplasts that carry vesicles of cell wall material to the new cell plate.The correct answer is option D.


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