Spindle fibres attach on to 

1.	Kinetochore of the chromosome
2.	centromere of the chromosome
3.	Kinetosome of the chromosome
4.	telomere of the chormosome

In meiosis crossing over is initiated at 

1. leptotene

2. Zygotene

3. diplotene

4. pachytene

Arrange the following events of meiosis in correct sequences

1. II, I, IV, III
2. II, I, III, IV
3. I, II, III, IV
4. II, III, IV, I

A somatic cell that has just completed the S-phase of its cell cycle, as compared to gamete of the same species has

During which phase(s) of cell cycle, the amount of DNA in a cell remain at 4C level if the

initial amount is denoted as 2C?

1. G₀ and G₁

2. G₁ and S

3. Only G₂

4. G₂ and M

In S-phase of the cell cycle 

The complex formed by a pair of synapsed homologous chromosomes is called 

1. equatorial plate

2. Kinetochore

3. bivalent

4. axoneme

A stage in cell division is shown in the figure. Select the answer which gives correct

identification of the stage with its characteristics.

During gamete formation, the enzyme recombinase participates during

1. Metaphase-I

2. Anaphase-II

3. Prophase-I

4. Prophase-II

Given below is the representation of a certain event at a particular stage of a type of cell division. Which is this stage?

1. Prophase-I during meiosis

2. Prophase-II during meiosis

3. Prophase of mitosis

4. Both prophase and metaphase of mitosis