Chapter 10: Cell Cycle and Cell Division MCQs | biology Class 11 CBSE

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Chapter 10: Cell Cycle and Cell Division MCQs | biology Class 11 CBSE | ByteNotes.in

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Question 1

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The average duration of the cell cycle in a human cell growing in culture is approximately:

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Question 2

Objective

Which phase of the cell cycle occupies more than 95% of the total cell cycle duration in a human cell?

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Question 3

Objective

During which phase of the cell cycle does DNA content double from 2C to 4C?

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Question 4

Objective

Cells that exit the G1 phase and enter an inactive but metabolically active state are said to be in:

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Question 5

Objective

Which of the following is the correct sequence of stages in karyokinesis of mitosis?

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Question 6

Objective

Mitosis is also called equational division because:

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Question 7

Objective

The small disc-shaped structures at the surface of centromeres that serve as attachment sites for spindle fibres are called:

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Question 8

Objective

The plane along which chromosomes align at the cell equator during metaphase is called the:

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Question 9

Objective

During anaphase of mitosis, as chromosomes move toward the poles, the centromere is located at the:

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Question 10

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In plant cells, cytokinesis occurs by formation of the cell-plate. The cell-plate ultimately forms the:

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Question 11

Objective

Which of the following organelles are distributed between the two daughter cells during cytokinesis?

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Question 12

Objective

Mitotic divisions in the meristematic tissues of plants result in:

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Question 13

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Which of the following is NOT a key feature of meiosis as listed in the chapter?

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Question 14

Objective

The sub-stage of Prophase I during which crossing over occurs between non-sister chromatids of homologous chromosomes is:

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Question 15

Objective

The enzyme that mediates crossing over during meiosis is called:

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Question 16

Objective

X-shaped structures visible between homologous chromosomes during diplotene are called:

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Question 17

Objective

The process of pairing of homologous chromosomes during Prophase I is called:

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Question 18

Objective

Which sub-stage of Prophase I is typically the longest?

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Question 19

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What happens to the nuclear envelope during diakinesis of Prophase I?

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Question 20

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During Anaphase I of meiosis, which of the following correctly describes chromosome behaviour?

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Chapter 10: Cell Cycle and Cell Division | MCQs

The average duration of the cell cycle in a human cell growing in culture is approximately:

Which phase of the cell cycle occupies more than 95% of the total cell cycle duration in a human cell?

During which phase of the cell cycle does DNA content double from 2C to 4C?

Cells that exit the G1 phase and enter an inactive but metabolically active state are said to be in:

Which of the following is the correct sequence of stages in karyokinesis of mitosis?

Mitosis is also called equational division because:

The small disc-shaped structures at the surface of centromeres that serve as attachment sites for spindle fibres are called:

The plane along which chromosomes align at the cell equator during metaphase is called the:

During anaphase of mitosis, as chromosomes move toward the poles, the centromere is located at the:

In plant cells, cytokinesis occurs by formation of the cell-plate. The cell-plate ultimately forms the:

Which of the following organelles are distributed between the two daughter cells during cytokinesis?

Mitotic divisions in the meristematic tissues of plants result in:

Which of the following is NOT a key feature of meiosis as listed in the chapter?

The sub-stage of Prophase I during which crossing over occurs between non-sister chromatids of homologous chromosomes is:

The enzyme that mediates crossing over during meiosis is called:

X-shaped structures visible between homologous chromosomes during diplotene are called:

The process of pairing of homologous chromosomes during Prophase I is called:

Which sub-stage of Prophase I is typically the longest?

What happens to the nuclear envelope during diakinesis of Prophase I?

During Anaphase I of meiosis, which of the following correctly describes chromosome behaviour?

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