Match the following Column-I with Column-II.
Column-I | Column-II | ||
A. | Synapsis aligns homologous chromosomes | (i) | Anaphase II |
B. | Synthesis of RNA and protein | (ii) | Zygotene |
C. | Action of enzyme recombinase | (iii) | G2 - phase |
D. | Centromeres do not separate, but chromatids move towards opposite poles | (iv) | Anaphase I |
(v) | Pachytene |
1. A-(ii), B-(i), C-(iii), D-(iv)
2. A-(ii), B-(iii), C-(v), D-(iv)
3. A-(i), B-(ii), C-(v), D-(iv)
4. A-(ii), B-(iii), C-(iv), D-(v)
Match the following
Column l | Column lI | ||
a. | G1 phase | (i) | Longest phase of cell cycle |
b. | M phase | (ii) | Synthesis of histone proteins |
c. | S-phase | (iii) | Cell quiescence |
d. | G0 phase | (iv) | Nuclear division |
1. a(i), b(i), c(iv), d(iii)
2. a(i), b(iv), c(ii), d(iii)
3. a(i), b(iv), c(iii), d(ii)
4. a(iv), b(iii), c(i), d(ii)
Consider the following four statements (I- IV) related to cell cycle, and select the correct option stating them as true (T) and false (F)
I. | Cell growth in terms of cytoplasmic increase is a continuous process. |
II. | Interphase is the phase of actual cell division. |
III. | The number of chromosomes doubles in S-phase. |
IV. | The cell that do not divide further exits G1-phase to enter a metabolically inactive stage. |
I | II | III | IV | |
1. | T | F | F | F |
2. | F | T | T | T |
3. | F | F | T | T |
4. | T | F | F | T |
Consider the following four statements (I- IV) related to cell cycle, and select the correct option stating them as true (T) and false (F).
I. | Cell growth in terms of cytoplasmic increase is a continuous process. |
II. | Interphase is the phase of actual cell division. |
III. | The number of chromosomes doubles in S-phase. |
IV. | The cell that does not divide further exits G1-phase to enter a metabolically inactive stage. |
Options:
I II III IV
1. T F F F
2. F T T T
3. F F T T
4. T F F T
Consider the following four statements (l-lV) related to cell cycle, and select the correct option stating them as true [T] and false [F].
I | Cell growth in terms of cytoplasmic increase is a continuous process. |
II | Interphase is the phase of actual cell division. |
III | The number of chromosomes doubles in S-phase |
IV | The cells that do not divide further exit G 1 -phase to enter the G0 stage. |
Options:
l ll lll lV
1. T F F F
2. F T T T
3. F F T T
4. T F F T
Statement I: | In mitosis, chromosomal number in the progeny as well as in parents remains the same |
Statement II: | Mitosis takes place in gametes |
1. | Both statement I and statement II are correct |
2. | Both statement I and statement II are incorrect |
3. | Statement I is correct but statement II is incorrect |
4. | Statement I is incorrect but statement II is correct |
Assertion(A): | Cell division, DNA replication, and cell growth have to take place in a coordinated way. |
Reason(R): | This well coordinated way ensures correct division and formation of progeny cells containing intact genomes. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True, but (R) is not the correct explanation of (A). |
3. | (A) is True, but (R) is False. |
4. | (A) is False, but (R) is True. |