Attachment of spindle fibers to kinetochores of chromosomes becomes evident in :

1. Anaphase

2. Telophase

3. Prophase

4. Metaphase

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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During Meiosis 1, in which stage synapsis takes place?

1. Pachytene

2. Zygotene

3. Diplotene

4. Leptotene

Subtopic:  Cell Cycle: Meiosis I |
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Match the following events that occur in their respective phases of cell cycle and select the correct option :

(a) G 1 phase                      (i) Cell grows and organelle duplication

(b) S phase                         (ii) DNA replication and chromosome duplication

(c) G 2 phase                       (iii) Cytoplasmic growth

(d) Metaphase in M-phase     (iv) Alignment of chromosomes

1. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)

2. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

3. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)

4. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)

Subtopic:  Intro to Cell Cycle & Interphase |
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Which of the following stages of meiosis involves division of centromere?

(1) Anaphase II

(2) Telophase II

(3) Metaphase I

(4) Metaphase II

Subtopic:  Cell Cycle: Meiosis II |
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Match List-I with List-II

List-I List-II
(a) S phase
(b) G2 phase
(c) Quiescent stage
(d) G1 phase
I. Proteins are synthesized
II. Inactive phase
III. Interval between mitosis and initiation of DNA replication
IV. DNA replication

Choose the correct answer from the options given below.

    (a) (b) (c) (d)

1. (iv) (i) (ii) (iii)

2. (ii) (iv) (iii) (i)

3. (iii) (ii) (i) (iv)

4. (iv) (ii) (iii) (i)

Subtopic:  Intro to Cell Cycle & Interphase |
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The centriole undergoes duplication during:

(1) Metaphase

(2) G2 phase

(3) S-phase

(4) Prophase

Subtopic:  Intro to Cell Cycle & Interphase |
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Which stage of meiotic prophase shows terminalisation of chiasmata as its distincitve feature?

(1) Diakinesis

(2) Pachytene

(3) Leptotene

(4) Zygotene

Subtopic:  Cell Cycle: Meiosis I |
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The fruit fly has 8 chromosomes (2n) in each cell. During the interphase of Mitosis if the number of chromosomes at G1 phase is 8, what would be the number of chromosomes after the S phase? 

1. 4

2. 32

3. 8

4. 16

Subtopic:  Intro to Cell Cycle & Interphase |
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Match the following with respect to meiosis:

a.  Zygotene         i.  Terminalization

b.  Pachytene       ii.  Chiasmata

c.  Diplotene        iii.  Crossing over

d.  Diakinesis      iv.  Synapsis

Select the correct option from the following:

       (a)      (b)     (c)     (d)

1.    iv       iii        ii        i

2.    i         ii         iv      iii      

3.    ii        iv        iii       i

4.   iii        iv        i        ii 

Subtopic:  Cell Cycle: Meiosis I |
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Dissolution of the synaptonemal complex occurs during : 

(1) Zygote 

(2) Diplotene 

(3) Leptotene 

(4) Pachytene 

Subtopic:  Cell Cycle: Meiosis I |
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