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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
What are the events of S-Phase?
- Ans 1: Following G1the S-Phase (synthesis phase) during which the DNA is synthesized and chromosomes number is doubled.
12th Class Biology Chapter 21 Short Questions Preparation - Set 1
Question # 1
What are the events of S-Phase?
- Ans 1: Following G1the S-Phase (synthesis phase) during which the DNA is synthesized and chromosomes number is doubled.
12th Class Biology Chapter 21 Short Questions Preparation - Set 2
Question # 1
how and when the phragmoplast originates?
- Ans 1: Phragmoplast originates from the Golgi vesicles or Golgi apparatus.Vesicles cuts of from the Golgi apparatus and arranged at the equator to from phragmoplast. Phragmoplast originate at the time of cytokinesis in plant cells.
12th Class Biology Chapter 21 Short Questions Preparation - Set 3
Question # 1
What is importance of kinetochore in the allignment of chromosomes during mitosis?
- Ans 1: Spindle fibers attaches at kinetochore of chromosomes and they help to align chromosomes at the center of cell to from equatorial plate or metaphase plate.
12th Class Biology Chapter 21 Short Questions Preparation - Set 4
Question # 1
Define mitotic apparatus. Or Give its functions.
- Ans 1: Mitotic apparatus composed of spindle fibers,centriols and asters.Mitotic apparatus plays an important role in cell division and equal distribution of chromosomes during cell division.
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.
