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11th CBSE
IMPORTANT
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In which phase of prophase I, termination of chiasmata formed?

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Important Questions on Cell Cycle And Cell Division

MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 10 - Cell Cycle And Cell Division>VERY SHORT ANSWER TYPE QUESTIONS>Q 14

In which phase of meiosis are the following formed? Choose the answers from hint points given below.

Interkinesis___

 

MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 10 - Cell Cycle And Cell Division>VERY SHORT ANSWER TYPE QUESTIONS>Q 14
In which phase of meiosis I, the formation of the dyad of cells occurs, whether it is telophase I or anaphase I?
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 10 - Cell Cycle And Cell Division>SHORT ANSWER TYPE QUESTIONS>Q 1
State the role of centrioles other than spindle formation.
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 10 - Cell Cycle And Cell Division>SHORT ANSWER TYPE QUESTIONS>Q 2

Mitochondria and plastids have their own DNA (genetic material). What is known about their fate during nuclear division like mitosis?

 

EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 10 - Cell Cycle And Cell Division>SHORT ANSWER TYPE QUESTIONS>Q 3

Label the diagram and also determine the stage at which this structure is visible.

image.png

 

HARD
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 10 - Cell Cycle And Cell Division>SHORT ANSWER TYPE QUESTIONS>Q 4
A cell has 32 chromosomes. It undergoes mitotic division. What will be the chromosome number (N) during metaphase? What would be the DNA content (C) during anaphase?
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 10 - Cell Cycle And Cell Division>SHORT ANSWER TYPE QUESTIONS>Q 5
While examining the mitotic stage in a tissue, one finds some cells with 16 chromosomes and some with 32 chromosomes. What possible reasons could you assign to this difference in chromosome number? Do you think cells with 16 chromosomes could have arisen from cells with 32 chromosomes or vice versa?
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 10 - Cell Cycle And Cell Division>SHORT ANSWER TYPE QUESTIONS>Q 6
The disintegration of nuclear membrane occurs in which phase of mitosis?