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.

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

Subtopic:  Intro to Cell Cycle & Interphase | Cell Division: Mitosis (Karyokinesis) |
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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)

Subtopic:  Intro to Cell Cycle & Interphase | Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
 85%
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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

Subtopic:  Intro to Cell Cycle & Interphase |
 52%
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Match each item in Column I with one item in Column II and chose your answer from the codes given below.

Column I

(stage of prophase I)

Column II

(event)

I. Zygotene

II. Pachytene

III. Diplotene

IV. Diakinesis

1. Crossing over

2. Chiasmata formation

3. Bivalent formation

4. Terminalization of chiasmata

Codes:

                I            II            III            IV

1.             1            2             3               4

2.             2            1             4               3

3.             3            1             2               4

4.             3            2             1               3

Subtopic:  Cell Cycle: Meiosis I |
 84%
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Match the following

     Column  l           Column ll

a  G1 phase          (i) Longest  phase of cell cycle

b  M phase            (ii) Synthesis of histone proteins

c  S-phase             (iii) Cell quiescence

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)

Subtopic:  Intro to Cell Cycle & Interphase |
 86%
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Read the four statements (a-d) and choose the correct option.

a. Spindle fibers attach to kinetochores of chromosomes during metaphase.
b. Cell growth results in disturbing the ratio between the nucleus and the cytoplasm.
c. Pachytene stage is relatively short-lived compared to the leptotene.
d. Interkinesis is a short-lived stage characterized by duplication of DNA.

1  a, b & c are correct

2  Only c is incorrect

3  b & d are correct 

4  a & b are correct

Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis I |
 64%
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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

Subtopic:  Intro to Cell Cycle & Interphase |
 84%
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A: Mitosis does play a role in gamete formation.
R: Haploid organisms divide by mitosis.
 
1. Both Assertion & Reason are true and the Reason is the correct explanation of the Assertion.
2. Both Assertion & Reason are true but the Reason is not the correct explanation of the Assertion
3. Assertion is a true statement but Reason is false.
4. Both Assertion and Reason are false statements.
Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
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Select the correct option based on statements below:
Assertion (A): Meiosis leads to recombinations of genes.
Reason (R): Crossing over occurs in pachytene sub-stage of prophase I of meiosis.
  
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. Both (A) and (R) are false.
Subtopic:  Cell Cycle: Meiosis I |
 75%
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A: Tendency of parental combinations to remain together is called crossing over.
R: Crossing over provides proof in favour of the linear arrangement of genes on chromosomes.
In the following questions, a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion..
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
3. If Assertion is a true statement but Reason is false..
4. If both Assertion and Reason are false statements.
Subtopic:  Cell Cycle: Meiosis I |
 53%
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