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Online Short Questions For Chapter 7 "12th Class Biology Chapter 21 Short Questions Preparation "
Try The Short Questions For 12th Class Biology Chapter 21 Short Questions Preparation
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Total Questions10
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Available Sets4
Biology - 12th Class Biology Chapter 21 Short Questions Preparation
Question # 1
Write down the events of metaphase of mitosis.
- Ans 1: The Kinetochore fibers of spindles attach to the kinetochore region (specialized area in centromere) of chromosomes and align them at the equator of the spindle forming equatorial plate or metaphase plate.
12th Class Biology Chapter 21 Short Questions Preparation - Set 1
Question # 1
Write down the events of metaphase of mitosis.
- Ans 1: The Kinetochore fibers of spindles attach to the kinetochore region (specialized area in centromere) of chromosomes and align them at the equator of the spindle forming equatorial plate or metaphase plate.
12th Class Biology Chapter 21 Short Questions Preparation - Set 2
Question # 1
How cytokinesis occur in plants?
- Ans 1: At cytokinesis,in place of contractile ring a membrane structure,phragmoplast informed from vesicle,which originates from Golgi complex.These vesicles lined up in the center of the dividing cell,where they fuse to form phragmoplast. The membrane of vesicles become the plasma membrane of daughter cells.
12th Class Biology Chapter 21 Short Questions Preparation - Set 3
Question # 1
Write down the events of metaphase of mitosis.
- Ans 1: The Kinetochore fibers of spindles attach to the kinetochore region (specialized area in centromere) of chromosomes and align them at the equator of the spindle forming equatorial plate or metaphase plate.
12th Class Biology Chapter 21 Short Questions Preparation - Set 4
Question # 1
How cytokinesis differ in plant and animal cell?
- Ans 1: Cytokinesis in plants: In plants cytokinesis occur by phragmoplast formation.Golgi vesicles arrange in the center and fuse with each other forming cell wall between two daughter nuclei which in turn divides into two daughter cells.
- Ans 2: Cytokinesis in animals: In animals the cytokinesis occurs by inward pinching of cell membrane and parent cell divides into two daughter cells.
12th Class Biology Chapter 21 Short Questions
Here you can prepare 12th Class Biology Chapter 21 (Cell Cycle). Click the button for 100% free full practice.
