Match List - I with List - II. List - I List - II (a) S phase (i) Proteins are
synthesized (b) G2 phase (ii) Inactive phase (C) Quiescent stage (iii) Interval between
mitosis and initiation
of DNA replication (d) G1 phase (iv) DNA replication
Choose the correct answer from the options given below.
| List - I | List - II | ||
| (a) | S phase | (i) | Proteins are synthesized |
| (b) | G2 phase | (ii) | Inactive phase |
| (C) | Quiescent stage | (iii) | Interval between mitosis and initiation of DNA replication |
| (d) | G1 phase | (iv) | DNA replication |
Choose the correct answer from the options given below.
- (a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
- (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
- (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
- (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
The Correct Option is D
Solution and Explanation
To solve this question, we need to correctly match the stages of the cell cycle from List-I with their descriptions in List-II. Let us explore each phase:
- S phase: This is the phase where DNA replication occurs. The cell synthesizes a complete copy of the DNA in its nucleus. Hence, it matches with List-II (iv) DNA replication.
- G2 phase: During this phase, the cell prepares for mitosis. It involves the synthesis of proteins and rapid cell growth. Therefore, this phase matches with List-II (i) Proteins are synthesized.
- Quiescent stage (G0 phase): Also known as the resting phase, where cells remain inactive and do not actively divide. Thus, it corresponds with List-II (ii) Inactive phase.
- G1 phase: This phase occurs right after mitosis and before the S phase. It involves the interval of cell growth before DNA synthesis occurs. Therefore, it matches with List-II (iii) Interval between mitosis and initiation of DNA replication.
Using this analysis, we can conclude that the correct matching is:
- (a) S phase - (iv) DNA replication
- (b) G2 phase - (i) Proteins are synthesized
- (c) Quiescent stage - (ii) Inactive phase
- (d) G1 phase - (iii) Interval between mitosis and initiation of DNA replication
Therefore, the correct answer is:
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Concepts Used:
Cell Cycle and Cell Division
Cell Cycle:
The sequence of events by which a cell copies itself synthesizes other constituents of the cell and eventually splits into two daughter cells is termed the cell cycle. The cell synthesizes all its constituents in a sequential pattern to make sure the proper division and distribution of components that occurs between the two daughter cells. Therefore, we can say that the cell cycle is the period of time between the development of new daughter cells and their further division.
Stages of Cell Cycle:
The cell cycle can be sub-divided into an additional category of Interphase. Meanwhile, the Interphase can be branched into 3 further stages, such as:
- G1 Phase - “Gap 1 Phase”
- S Phase - "Synthesis Phase"
- G2 Phase - "Gap 2 Phase"
Read More: Cell Cycle and Cell Division
Cell Division:
The division of the parent cells into two or more cells is called daughter cell, cell division takes place. In general, it occurs as a part of a larger cell cycle. All the cell reproduces by dividing into two, wherein each parental cell produces two daughter cells.
Stages of Cell Division:
Cell division can be widely divided into several sub-segments that result from Mitosis and Meiosis.
- Mitosis or (M Phase)
- Meiosis