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प्रश्न
Given below are three diagrammatic sketches (A, B and C) of one and the same particular phase during mitotic type of cell division.
- Identify the phase.
- What is the diploid number of chromosomes shown in them?
- Identify whether these are animal cells or plant cells? Give reasons.
- Which of these is/are shown in the correct direction?
- Only A
- Only B
- Only A and C
- All the three
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उत्तर
- Metaphase.
- 4
- (A) Animal cells; (B) Animal cells. Reasons for Parts (A) and (B): Each chromosome's ceritromere attaches to the spindle. (C) Plant cells. Reason: Chromosomes line up in one plane at the equator.
- All the three
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संबंधित प्रश्न
Name the following.
The exchange of chromatid parts between the maternal and the paternal chromatids of a pair of homologous chromosomes during meiosis.
Given below is a diagram representing a stage during the mitotic cell division. Study thediagram and answer the following questions:
Identify the stage by giving a suitable reason.
Given below is a diagram representing a stage during the mitotic cell division. Study thediagram and answer the following questions:
Draw a neat, labelled diagram of the stage which follows the one shown in the diagram.
Choose the correct answer:
Somatic cells divide by ___________
Given below is a diagram representing a stage during mitotic cell division. Study it carefully and answer the question that follow.
Name the stage that follows the one shown here. How is that stage identified?
Explain the significance of mitosis.
Give Technical Terms
The division which brings about vegetative growth.
Complete the following sentence with appropriate word :
The type of cell division that occurs in the apical meristem of plants is ______.
What type of cell division occurs in the cells of the upper layer of the epidermis, cells of the lining of the gut, and blood cells?
The basis of genetic variation in the living organisms during mitosis occurs due to ______.
