Identify the correct statement with regard to G 1 phase (Gap 1) of interphase.

Cell is metabolically active, grows but does not replicate its DNA.

Reorganisation of all cell components takes place.

DNA synthesis or replication takes place.

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 )

EASY

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Centriole duplication occurs in which phase of cell cycle?

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Important Questions on Cell Cycle and Cell Division

EASY

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

Yeast cell can progress through the cell cycle in about _____.

EASY

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

Identify the correct statement with regard to G₁ phase (Gap 1) of interphase.

EASY

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

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

EASY

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

Cell in the quiescent stage

(G_{0})

EASY

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

Cells in G₀ phase:

MEDIUM

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

Gene

P^{53}

guards integrity of

DNA

and hence called 'Guardian Angel of Cell's genome'. It checks the integrity of

DNA

EASY

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

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

EASY

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

The centriole undergoes duplication during:

EASY

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

During which phase(s) of cell cycle, amount of DNA in a cell remains at 4 C level if the initial amount is denoted as 2C?

EASY

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

In the 'S' phase of the cell cycle:

EASY

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

A bacterial culture was started with an inoculum of

10

cells. What will be the number of cells at the end of

10

cycles of division, assuming that every progeny cell undergoes division in each cycle?

EASY

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

During cell growth, DNA synthesis takes place in

EASY

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

Which of the following statements best describes the $G_{0}$ stage of the cell cycle?

MEDIUM

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

Arrange the following events of mitotic cell cycle in series
a) Reformation of nucleolus, Golgi complex and

ER

b) Amount of

DNA

per cell doubles
c) Disappearance of Golgi complex and

ER

d) Condensation of chromatin into chromosome
e) Distribution of mitochondria and plastids to daughter cells
f) Separation of chromatids at centromere

MEDIUM

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

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?

EASY

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

Select the incorrect statement of cell cycle.

MEDIUM

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

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.

EASY

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

Which phase occupies the maximum part of cell cycle?

EASY

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

The correct sequence of phases of cell cycle is:

HARD

Biology>Cell : Structure and Functions>Cell Cycle and Cell Division>Cell Cycle

A somatic cell that has just completed the S phase of its cell cycle, as compared to gamete of the same species, has:

Centriole duplication occurs in which phase of cell cycle?

Important Questions on Cell Cycle and Cell Division

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