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Cytokinesis in a plant cell is achieved...

Cytokinesis in a plant cell is achieved by the formation of cell plate instead of a cleavage furrow, which is formed in

A

Centripetal manner

B

Centrifugal manner

C

Both centripetal and centrifugal manner

D

Equational manner

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The correct Answer is:
### Step-by-Step Solution: 1. **Understanding Cytokinesis**: Cytokinesis is the process that follows mitosis, where the cytoplasm of a parental cell is divided into two daughter cells. In plant cells, this process is different from that in animal cells. 2. **Cytokinesis in Animal Cells**: In animal cells, cytokinesis occurs through the formation of a cleavage furrow. This furrow forms at the equator of the cell and is created by a contractile ring made of proteins (actin and myosin). The cleavage furrow moves from the outer edge of the cell towards the center, which is referred to as centripetal movement. 3. **Cytokinesis in Plant Cells**: In contrast, plant cells do not form a cleavage furrow. Instead, they form a cell plate. The cell plate begins to form at the center of the cell, where vesicles containing cell wall materials (like pectin) gather. 4. **Direction of Cell Plate Formation**: The cell plate expands outward from the center towards the periphery of the cell. This process is known as centrifugal movement, as it moves from the inner part of the cell to the outer edges. 5. **Conclusion**: Therefore, the correct answer to the question is that cytokinesis in a plant cell is achieved by the formation of a cell plate in a centrifugal manner. ### Final Answer: Cytokinesis in a plant cell is achieved by the formation of a cell plate in a **centrifugal manner**. ---
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AAKASH INSTITUTE ENGLISH-CELL CYCLE AND CELL DIVISION -Section - B
  1. Which one of the following is correct for mitosis in most of the plant...

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  2. Mitotic spindle is mainly composed of which protein?

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  3. Cytokinesis in a plant cell is achieved by the formation of cell plat...

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  4. Name two viral STDs

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  5. All the essential stages that take place during meiosis, except

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  6. In the meiotic cell division four daughter cells are produced by two s...

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  7. If the egg of an organism has 10 Pg of DNA in its nucleus, how much DN...

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  8. To produce 102 pollen grains, how many meiotic divisions are required ...

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  9. Find out the wrong statement .

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  10. What will be the content of DNA in a somatic cell at G(2) if its mei...

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  11. All chromosomes of a cell are directed towards one side and are attach...

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  12. Diplotene phase of meiosis is also charactertised by a. Desynapsis ...

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  13. Recombination nodules which mediate for chromosome recombination occur...

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  14. In oocytes of some vertebrates, can last for months or years.

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  15. When synapsis is complete all along the chromosomes, the cell is said...

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  16. The beginning of which stage of prophase is marked by complete termin...

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  17. What will be the amount of DNA in a pollen grain if its mother cell h...

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  18. The paradox of meiosis is

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  19. Cell organelles replicate in/during

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  20. Best stage to observe shape, size and number of chromosomes is

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