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

1. equatorial plate

2. Kinetochore

3. bivalent

4. axoneme

Synapsis occurs between

1. a male and a female gamete

2. mRNA and ribosomes

3. spindle fibres and centromere

4. two homologous chromosomes

During gamete formation, the enzyme recombinase participates during

1. Metaphase-I

2. Anaphase-II

3. Prophase-I

4. Prophase-II

Reduction in the number of chromosomes occurs during

1. Diplotene

2. Diakinesis

3. Metaphase I

4. Anaphase I

Which of the following is not a characteristic feature during mitosis in somatic cells
1. Disappearance of nucleolus

2. Chromosome movement

3. Synapsis

4. Spindle fibres

Bivalent align on the equator during

1. Metaphase I of meiosis

2. Anaphase I of meiosis

3. Metaphase of mitosis

4. Anaphase of mitosis

Match the Column I with Column II –

1. A – 2, B – 4,5, C – 7, D – 1,6, E – 3
2. A – 2, B – 3, C – 7, D – 1, 4, 6, E – 5
3. A – 2, B – 7, C – 3, D – 1, 4, 5, E – 6
4. A – 2, B – 1, C – 4, D – 5, 3, E – 6

Which of the following is characteristic of prophase I of meiosis I:-

Following are the events occurs during meiosis :

1. A$\to$B$\to$C$\to$D
2. B$\to$D$\to$A$\to$C
3. D$\to$C$\to$B$\to$A
4. B$\to$C$\to$A$\to$D