Q. No.Choose the correct sequence with respect to different phases of cell cycle
1.
G1 S, G2, M
2.
G1, G2, S, M
3.
M, G2, G1, S
4.
S, M, G2, G1
| 1. | G1 S, G2, M |
| 2. | G1, G2, S, M |
| 3. | M, G2, G1, S |
| 4. | S, M, G2, G1 |
Human nerve cells do not divide after birth and they remain throughout their life in which phase of cell cycle?
| 1. | M-phase |
| 2. | G1 phase |
| 3. | G0 phase |
| 4. | Invisible phase |
Various phases of cell cycle are controlled by
| 1. | Cyclin proteins |
| 2. | Cyclin dependent protein kinases |
| 3. | Phosphorylation of cyclin dependent protein kinases |
| 4. | More than one option is correct |
Amount of DNA and Number of chromosomes in G2 phase of cell cycle would be
| 1. | Double and equal to that of in G1 phase respectively |
| 2. | Half and equal to that of in G1 phase respectively |
| 3. | Equal and half to that of in G1 phase respectively |
| 4. | Double and double to that of in G1 phase respectively |
Exchange of genetic material between non-sister chromatids of homologous chromosomes in pachytene stage is facilitated by
(1) Dynein
(2) Recombinase
(3) chiasmata
(4) Calmodulin
Plant cells do not divided their cytoplasm by forming a furrow in cell membrane like animal cells rather they divide by cell plate because
| 1. | Plant cell do not have centrioles |
| 2. | Cell wall formation beings with formation of cell plate |
| 3. | Cell plate represents middle lamella between the walls of two adjacent cells |
| 4. | Plant cells are enclosed by a relatively inextensible wall |
Which of the following number of cells can be expected from the human cell culture after 70hrs
1. 4
2. 8
3. Both 1 and 2
4. 2
Which of the following is a continuous process?
1. Cell growth (in terms of cytoplasmic increase)
2. Cell differentiation
3. DNA duplication
4. Cell division
Cell growth is a continuous process in terms of
| 1. | Increase in protein content |
| 2. | Increase in DNA content |
| 3. | Increase in cytoplasmic content |
| 4. | Increase in RNA content |
The process of distribution of duplicated DNA in the daughter cells is
1. Easy process
2. A complex series of events
3. A single complex process
4. Easiest process in all the events bof cell cycle.
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