1. Before undergoing meiosis, the amount of DNA of a cell
a) Halves
b) Doubles
c) Remains the same
d) Quadruples
Explanation: Doubles
2. Which of the following represents the correct order in Prophase I?
a) Zygotene, diplotene, pachytene, leptotene, diakinesis
b) Diakinesis, diplotene, leptotene, pachytene, zygotene
c) Leptotene, zygotene, pachytene, diplotene, diakinesis
d) Pachytene, leptotene, zygotene, diplotene, diakinesis
Explanation: Leptotene, zygotene, pachytene, diplotene, diakinesis
3. In which stage of meiosis, the chromosome is thin, long and thread-like?
a) Leptotene
b) Zygotene
c) Pachytene
d) Diakinesis
Explanation: Leptotene
4. Synaptonemal complex has a role in
a) Chromosome pairing
b) Chromosome movement
c) Chromosome segregation
d)Chromosome organization
Explanation: Synaptonemal complex has a role in chromosome pairing
5. The synaptonemal complex is formed during
a) Cytokinesis
b) Amitosis
c) Mitosis
d) Meiosis
Explanation: The synaptonemal complex is formed during meiosis
6. Bivalents are formed during
a) Diplotene
b) Pachytene
c) Zygotene
d) Leptotene
Explanation: Bivalents are formed during zygotene
7. Tetrad is made of
a) Four non-homologous chromatids
b) Four non-homologous chromosomes
c) Four homologous chromosomes with four chromatids
d) Two homologous chromosomes and each with two chromatids
Explanation: Tetrad is made of two homologous chromosomes and each with two chromatids
8. The exchange of paternal and maternal chromosome material during cell division is
a) Dyad formation
b) Crossing over
c) Synapsis
d) Bivalent formation
Explanation: Crossing over
9. Transfer of genes from one chromosome to another and vice versa during synapsis is called
a) Crossing over
b) Exchange
c) Chiasmata
d) Translocation
Explanation: Transfer of genes from one chromosome to another and vice versa during synapsis is called Crossing over
10. Repulsion of homologous chromosomes takes place in
a) Diplotene
b) Zygotene
c) Diakinesis
d) Leptotene
Explanation: Repulsion of homologous chromosomes takes place in diplotene