Cell Cycle and Division

Question 1

In which stage is DNA polymerase synthesis

Answer 1

G1

Question 2

Centrioles duplicate in which stage

Answer 2

S phase

Question 3

Cells in G0 phase are metabolically active ?

Answer 3

Yes

Question 4

What consists of mitotic spindle

Answer 4

Centrioles + spindle Fibre

Question 5

Process of bringing chromosomes to the equator is

Answer 5

Congression

Question 6

Which are longest and shortest stage of mitosis

Answer 6

Prophase and anaphase resp.

Question 7

Dissolution of what at centromere causes separation of chromosomes

Answer 7

Cohesin

Question 8

Dyenins are

Answer 8

Kinetichoral motor protein

Question 9

Nucleoli reappear from

Answer 9

SAT chromosome of NOR region

Question 10

Increase in tissue mass due to increase in number of cells is called

Answer 10

Hyperplasia

Question 11

Meiosis was disc by

Answer 11

Edward strasburger

Question 12

Meiosis term is coined by

Answer 12

Farmer and Moore

Question 13

What are the phases under prophase 1 of meiosis

Answer 13

Leptotene
Zygotene
Pachytene 
Diplotene
Dikinesis

Question 14

Ladder like protein complex that helps in pairing

Answer 14

Synaptonemal complex

Question 15

Synapsis occurs in

Answer 15

Zygotene of prophase 1

Question 16

In which stage does crossing over occur

Answer 16

Pachytene

Question 17

In which stage chromosomes look like giant lamp brush

Answer 17

Diplotene of prophase 1

Question 18

Chiasmata formation takes place in which stage

Answer 18

Diplotene

Question 19

Terminalisation occurs in which stage

Answer 19

Dikinesis

Question 20

Separation of homologous chromosomes is called

Answer 20

Disjunction

Question 21

What is stage between 2 mitotic divisions is called

Answer 21

Interkinesis
No DNA replication
Only centrioles replicate