Match the following events that occur in their respective phases of the cell cycle and select the correct option: Column-I Column-II (a) G 1 phase (i) Cell grows and organelle duplication (b) S phase (ii) DNA replication and chromosome duplication (c) G 2 phase (iii) Cytoplasmic growth (d) Metaphase in M - phase (iv) Alignment of chromosomes

( a ) - ( i ) , ( b ) - ( ii ) , ( c ) - ( iii ) , ( d ) - ( iv )

( a ) - ( ii ) , ( b ) - ( iii ) , ( c ) - ( iv ) , ( d ) - ( i )

( a ) - ( iii ) , ( b ) - ( iv ) , ( c ) - ( i ) , ( d ) - ( ii )

( a ) - ( iv ) , ( b ) - ( i ) , ( c ) - ( ii ) , ( d ) - ( iii )

Match the following with respect to meiosis (a) Zygotene (i) Terminalization (b) Pachytene (ii) Chiasmata (c) Diplotene (iii) Crossing over (d) Diakinesis (iv) Synapsis Select the correct option from the following

(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)

(a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)

(a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)

(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

Regarding meiosis, which of the statements is incorrect?

DNA replication occurs in S phase of meiosis-II

Pairing of homologous chromosomes and recombination occurs in meiosis-I

Four haploid cells are formed at the end of meiosis-II

There are two stages in meiosis, meiosis-I and II

The appearance of recombination nodules on homologous chromosomes during meiosis characterizes:

Sites at which crossing over occurs

Which one of the following never occurs during mitotic cell division?

Pairing of homologous chromosomes

Movement of centrioles towards opposite poles

Coiling and condensation of the chromatids

Spindle fibres attach to kinetochores of chromosomes

Match the following events that occur in their respective phases of the cell cycle and select the correct option: Column-I Column-II (a) G 1 phase (i) Cell grows and organelle duplication (b) S phase (ii) DNA replication and chromosome duplication (c) G 2 phase (iii) Cytoplasmic growth (d) Metaphase in M - phase (iv) Alignment of chromosomes

( a ) - ( i ) , ( b ) - ( ii ) , ( c ) - ( iii ) , ( d ) - ( iv )

( a ) - ( ii ) , ( b ) - ( iii ) , ( c ) - ( iv ) , ( d ) - ( i )

( a ) - ( iii ) , ( b ) - ( iv ) , ( c ) - ( i ) , ( d ) - ( ii )

( a ) - ( iv ) , ( b ) - ( i ) , ( c ) - ( ii ) , ( d ) - ( iii )

Match Column - I with Column - II. Column -I Column -II (a) S phase (i) Proteins are synthesized (b) G 2 phase (ii) Inactive phase (c) Quiescent stage (iii) Interval between mitosis and initiation of DNA replication (d) G 1 phase (iv) DNA replication Choose the correct answer from options given below.

( a ) - ( iv ) ; ( b ) - ( i ) ; ( c ) - ( ii ) ; ( d ) - ( iii )

( a ) - ( iii ) ; ( b ) - ( ii ) ; ( c ) - ( i ) ; ( d ) - ( iv )

( a ) - ( iv ) ; ( b ) - ( ii ) ; ( c ) - ( iii ) ; ( d ) - ( i )

( a ) - ( ii ) ; ( b ) - ( iv ) ; ( c ) - ( iii ) ; ( d ) - ( i )

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The centriole undergoes duplication during:

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Important Questions on Cell Cycle and Cell Division

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 10 - Cell Cycle and Cell Division>NEET - 12 September 2021>Q 7

The fruit fly has

8

chromosomes

(2 n)

in each cell. During the interphase of mitosis if the number of chromosomes at

G_{1}

phase is

8 .

What would be the number of chromosomes after the S phase?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 10 - Cell Cycle and Cell Division>NEET - 12 September 2021>Q 8

Which stage of meiotic prophase shows terminalisation of chiasmata as its distinctive feature?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 10 - Cell Cycle and Cell Division>NEET Phase 2 (14 October 2020)>Q 9

Attachment of spindle fibers to kinetochores of chromosomes becomes evident in:

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 10 - Cell Cycle and Cell Division>NEET Phase 2 (14 October 2020)>Q 10

In a mitotic cycle, the correct sequence of phases is:

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 10 - Cell Cycle and Cell Division>NEET Phase 2 (14 October 2020)>Q 11

During meiosis

I,

in which stage synapsis takes place?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 10 - Cell Cycle and Cell Division>NEET Phase 2 (14 October 2020)>Q 12

Match the following events that occur in their respective phases of the cell cycle and select the correct option:

Column-I		Column-II
(a)	$G_{1}$ phase	(i)	Cell grows and organelle duplication
(b)	$S$ phase	(ii)	$DNA$ replication and chromosome duplication
(c)	$G_{2}$ phase	(iii)	Cytoplasmic growth
(d)	Metaphase in $M -$ phase	(iv)	Alignment of chromosomes

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 10 - Cell Cycle and Cell Division>NEET - 13th September 2020>Q 13

Match the following with respect to meiosis

(a)	Zygotene	(i)	Terminalization
(b)	Pachytene	(ii)	Chiasmata
(c)	Diplotene	(iii)	Crossing over
(d)	Diakinesis	(iv)	Synapsis

Select the correct option from the following

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 10 - Cell Cycle and Cell Division>NEET - 13th September 2020>Q 14

Some dividing cells exit the cell cycle and enter vegetative inactive stage. This is called quiescent stage (G₀). This process occurs at the end of

The centriole undergoes duplication during:

Important Questions on Cell Cycle and Cell Division

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