Cell Cycle and Cell Division

Match List I with List II :

1. A-III, B-IV, C-I, D-II
2. A-IV, B-I, C-II, D-III
3. A-I, B-II, C-III, D-IV
4. A-II, B-III, C-IV, D-I

The correct sequence of adult cell cycle phases is .

1. S-M-G2-G1
2. G1-G2-S-M
3. G1-M-G2-S
4. G1-S-G2-M

Following are the stages of cell division : Choose the correct sequence of stages from the options given below :

1. C-E-D-A-B
2. E-B-D-A-C
3. B-D-E-A-C
4. E-C-A-D-B

Match List-I with List-II. Choose the correct answer from the options given below:

1. A-IV, B-II, C-III, D-I
2. A-I, B-III, C-IV, D-II
3. A-I, B-I, C-III, D-IV
4. A-II, B-IV, C-I, D-III

Among eukaryotes, replication of DNA takes place in :

1. S phase
2. G1 phase
3. G2 phase
4. M phase

Match List I with List II: Choose the correct answer from the options given below :

1. A-IV, B-II, C-I, D-III
2. A-IV, B-I, C-II, D-III
3. A-II, B-IV, C-I, D-III
4. A-III, B-II, C-IV, D-I

Given below are two statements: In the light of the above statements, choose the most appropriate answer from the options given below:

1. Both Statement I and Statement II are incorrect.
2. Statement I is correct but Statement II is incorrect.
3. Statement I is incorrect but Statement II is correct.
4. Both Statement I and Statement II are correct.

Match List-I with List-II. Choose the correct answer from the options given below.

1. (a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
2. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
3. (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
4. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)

The fruit fly has 8 chromosomes (2n) in each cell. During interphase of Mitosis if the number of chromosomes at G1 phase is 8, what would be the number of chromosomes after S phase?

1. 32
2. 8
3. 16
4. 4

The centriole undergoes duplication during :

1. G2 phase
2. S-phase
3. Prophase
4. Metaphase

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

1. G1 phase
2. S phase
3. G2 phase
4. M phase

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

1. Cell is metabolically active, grows but does not replicate its DNA.
2. DNA synthesis or replication takes place.
3. Nuclear Division takes place.
4. Reorganisation of all cell components takes place.

Cells in G0 phase:

1. suspend the cell cycle
2. terminate the cell cycle
3. exit the cell cycle
4. enter the cell cycle

The correct sequence of phases of cell cycle is:

1. S G1 G2 M
2. G1 S G2 M
3. M G1 G2 S
4. G1 G2 S M

During cell growth, DNA synthesis takes place on

1. S-phase
2. G1-phase
3. G2-phase
4. M phase

When cell has stalled DNA replication fork, which checkpoint should be predominantly activated?

1. G1/S
2. G2/M
3. M
4. Both G2/M and M

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

1. twice the number of chromosomes and four times the amount of DNA
2. four times the number of chromosomes and twice the amount of DNA
3. twice the number of chromosomes and twice the amount of DNA
4. same number of chromosomes but twice the amount of DNA.

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

1. G0 and G1
2. G1 and S
3. Only G2
4. G2 and M

In 'S' phase of the cell cycle

1. amount of DNA doubles in each cell
2. amount of DNA remains same in each cell
3. chromosomes number is increased
4. amount of DNA is reduced to half in each cell.

Given below is a schematic break-up of the phases/stages of cell cycle. Which one of the following is the correct indication of the stage/phase in the cell cycle? [figure]

1. C - karyokinesis
2. D - synthetic phase
3. A - cytokinesis
4. B - metaphase

At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell?

1. During G2 stage of prophase
2. During S-phase
3. During entire prophase
4. During telophase

In the somatic cell cycle

1. in G1 phase DNA content is double the amount of DNA present in the original cell
2. DNA replication takes place in S phase
3. a short interphase is followed by a long mitotic phase
4. G2 phase follows mitotic phase

In which stage of cell cycle, DNA replication occurs?

1. G1-phase
2. S-phase
3. G2-phase
4. M-phase