Cells in phase:
1. terminate the cell cycle
2. exit the cell cycle
3. enter the cell cycle
4. suspend the cell cycle
The correct sequence of phases in cell cycle is:
1.
2.
3.
4.
The microtubules from the opposite poles of the spindle attach to the pair of homologous chromosomes in
1. | Metaphase - I |
2. | Prophase - I |
3. | Metaphase |
4. | Metaphase - 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 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
“The synaptonemal complex is formed during _A_
stage and dissolves during _B_ stage”.
Complete the above statement by choosing the correct
option for A and B
A B
1. Diplotene Diakinesis
2. Leptotene Zygotene
3. Zygotene Diplotene
4. Pachytene Diplotene
Which one of the following features differentiates G2
phase from G1 phase?
1. | Synthesis of proteins. |
2. | 4C content of DNA. |
3. | 2C content of DNA. |
4. | Synthesis of RNA. |
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)
1. | leptotene | 2. | zygotene |
3. | diplotene | 4. | pachytene |
1. | Pachytene | 2. | Diplotene |
3. | Diakinesis | 4. | Zygotene |
When a cell is viewed under the microscope, it does
not show golgi complex, endoplasmic reticulum,
nucleolus, nuclear envelope in which stage of cell
division?
1. | Early prophase |
2. | Late prophase |
3. | Interphase |
4. | Telophase |