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

Amount of DNA and Number of chromosomes in G₂ phase of cell cycle would be

Exchange of genetic material between non-sister chromatids of homologous chromosomes in pachytene stage is facilitated by

Plant cells do not divided their cytoplasm by forming a furrow in cell membrane like animal cells rather they divide by cell plate because

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.

How many cells can be expected in a yeast culture after  540 minutes?

1.      64

2.      512

3.      256

4.     32