Let a cell's generation time is 1 minute. In 20 minutes a culture tube (culture medium) is 1/8th filled with cells. When the tube will be fullfilled?

(1) 21 minutes     

(2) 23 minutes     

(3) 60 minutes     

(4) 160 minutes

Subtopic:  Intro to Cell Cycle & Interphase |
 56%
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The following diagram refers to a typical cell cycle.

Identify the parts marked as X, Y and Z.

1. X - G1; Y - S; Z - G2                      2. X - G2; Y - S; Z - G1

3. X - G0; Y - S; Z - G2                     4. X - G1; Y - G2; Z - G0

Subtopic:  Intro to Cell Cycle & Interphase |
 94%
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What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its roots tip cells?

(a) 21                             (b) 42                             (c) 63                             (d) 84

 85%
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Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres:

(1) Metaphase I    

(2) Metaphase II  

(3) Anaphase I     

(4) Anaphase II

Subtopic:  Cell Cycle: Meiosis I |
 83%
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At which stage of meiosis does the genetic constitution of gametes is finally decided:

(1) Metaphase I    

(2) Anaphase II    

(3) Metaphase II   

(4) Anaphase I

Subtopic:  Cell Cycle: Meiosis I |
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Select the correct statement about G1 phase:

(1) Cell is metabolically inactive

(2) DNA in the cell does not replicate

(3) It is not a phase of synthesis of macromolecules

(4) Cell stops growing

Subtopic:  Intro to Cell Cycle & Interphase |
 83%
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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

Subtopic:  Intro to Cell Cycle & Interphase |
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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

Subtopic:  Intro to Cell Cycle & Interphase |
 78%
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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

Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
 89%
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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.

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
 83%
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