Reduction in the number of chromosomes occurs during

1. Diplotene

2. Diakinesis

3. Metaphase I

4. Anaphase I

Does Tubulin protein synthesis take place in which of the given stages of interphase?

1. G₁

2. G₀

3. S

4. G₂ 

Match the following with respect to meiosis:

Select the correct option from the following:

Dissolution of the synaptonemal complex occurs during : 

Identify the correct statement with regard to $G_1$ phase (Gap 1) of interphase:

Some dividing cells exit the cell cycle and enter the vegetative inactive stage. This is called the quiescent stage $\left(G_0\right)$. This process occurs at the end of:

1.  $G_1$ $phase$

2.  S phase

3.  $G_2$ $phase$

4.  M phase 

A diploid cell has 40 units of DNA at G1 of interphase.How many units of DNA are present

in the cell after meiosis I?

(1) 10

(2) 20

(3) 40

(4) 80

The diploid number of chromosomes in chimpanzees is 48. How many DNA molecules are in the genome of a chimpanzee cell before it begins meiosis?
(1) 48

(2) 96
(3) 24

(4) 12

Identify the symbols A, B, and C in the figure given below

     A                     B                      C

1. ${\mathrm{G}}_0$                   Prophase          Cytokinesis

2. Prophase         Metaphase        Telophase

3. ${\mathrm{G}}_1$                    S                       ${\mathrm{G}}_2$

4. Cytokinesis       Prophase           ${\mathrm{G}}_0$

1. 1

2. 2

3. 3

4. 4

The figures below shows 3 phases of mitosis select the option given correct identification together with the correct event ?

1. C- Telophase-Nuclear envelope assembles around the chromosome clusters

2. B- Anaphase-Segregation of homologous chromosomes.

3. A- Prophase-Chromosomes get fully condensed.

4. C- Metaphase-Condensation of chromatin to form chromosome