Cell division

The replication of nuclear DNA occurs in _______.

• G1 phase

• G2 phase

• S phase

• M phase

G0 state of cells in eukaryotic cell cycle denotes ______

• check point before entering next phase

• pausing in the middle of the cycle to cope with a temporary delay

• death of cell

• exit of cells from cell cycle

Which of the following pairs is correctly matched?

I : Anaphase I - Homologous chromosome are seperated

II : Metaphase I - synapsis and crossing over occur

III : Prophase I - Homologous chromosomes are line up at equator plane

IV : Telophase I - Chromatin starts to condense and become visible

• I

• II

• III

• IV

Chiasmata formation occurs during ____

• diplotene

• pachytene

• leptotene

• diakinesis

The process of mitosis is divided into_________

• anaphase, metaphase, telophase and prophase

• telophase,anaphase,metaphase and prophase

• metaphase,prophase,anaphase and telophase

• prophase, metaphase, anaphase and telophase

The homologous chromosomes follow the process of synapsis in the stage or pairing of homologous chromosome take place in _____

• leptotene

• zygotene

• diplotene

• pachytene

Regarding the sequence of cell cycle, which one is correct?

• G1,G2,S and M phase

• S,G1,G2 and M phase

• G1,S,G2 and M phase

• G2,S,G1 and M phase

At which phase of meiosis, the two cells, each with seperated sister chromatids move towards opposite poles?

• metaphase I

• Metaphase II

• Anaphase I

• Anaphase II

_______ Holds two chromosomes together.

• kinetochore

• synaptonemal complex

• cyclin kinase complex

• chiasmata

_______ act as a signals to cells before the enter next stage of cell cycle.

• tetrad

• bivalent

• cyclin kinase complex

• telomerase