Cell Cycle and Cell Division Test

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Cell Cycle and Cell Division Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

What is the average cell cycle span for a mammalian cell?

A
24 hours

B
48 hours

C
12 hours

D
4 hours

Solution

All the phases of cell cycle in mammalian cell are completed in 24 hours
Question 2
1 / -0

What is the correct sequence of prophase I of meiosis I?

A
Leptotene, Zygotene, Pachytene, Diplotene, Diakinesis

B
Leplotene, Pachytene, Diplotene, Zygotene, Diakinesis

C
Pachytene, Leptotene, Zygotene, Diplotene, Diakinesis

D
Zygotene, Leptotene, Pachytene, Diplotene, Diakinesis
Question 3
1 / -0

Plants show mitotic divisions in -------------

A
Somatic cells

B
Haploid cells

C
haploid cells and diploid cells.

D
Diploid cells

Solution

The plants can show mitotic divisions in both haploid and diploid cells due to alternation of generations in life cycle.
Question 4
1 / -0

Colchicine is a root extract of Colchicum autumnale. It inhibits cell cycle during the stage of

A
G₁phase

B
S phase

C
M phase

D
G₂ phase
Question 5
1 / -0

Crossing over takes place at a stage between

A
leptotene and diplotene

B
pachytene and diplotene

C
zygotene and diplotene

D
zygotene and pachytene
Question 6
1 / -0

In which of the following phases of meiosis I does synapsis occur?

A
Leptotene

B
Zygotene

C
Pachytene

D
Diplotene
Question 7
1 / -0

Consider the following statements:

Segmental allopolyploids are the polyploids in which

1. the chromosomes are derived from different genomes
2. the chromosomes form multivalents during meiosis
3. the genomes involved are not quite different from one another

Which of the statements given above are correct?

A
Only 1 and 2

B
Only 2 and 3

C
Only 1 and 3

D
All of the above
Question 8
1 / -0

The longest phase of a cell cycle in typical fast dividing eukaryotic cells which completes the cell cycle in approximate 24 hrs is

A
M phase

B
G₁ phase

C
S phase

D
G₂ phase
Question 9
1 / -0

How many chromonemata are present in metaphase and anaphase of cell cycle?

A
2 and 1 respectively

B
1 and 2 respectively

C
1 and 1 respectively

D
2 and 2 respectively
Question 10
1 / -0

In yeast the cell cycle is progressed through

A
30 minutes

B
20 minutes

C
60 minutes

D
90 minutes

Solution

Yeast can progress through the cell cycle in only about 90 minutes due to its simple organisation.

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Cell Cycle and Cell Division Test - 2

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Cell Cycle and Cell Division Test - 2

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Question 1

24 hours

48 hours

12 hours

4 hours

Solution

Question 2

Leptotene, Zygotene, Pachytene, Diplotene, Diakinesis

Leplotene, Pachytene, Diplotene, Zygotene, Diakinesis

Pachytene, Leptotene, Zygotene, Diplotene, Diakinesis

Zygotene, Leptotene, Pachytene, Diplotene, Diakinesis

Question 3

Somatic cells

Haploid cells

haploid cells and diploid cells.

Diploid cells

Solution

Question 4

G1 phase

S phase

M phase

G2 phase

Question 5

leptotene and diplotene

pachytene and diplotene

zygotene and diplotene

zygotene and pachytene

Question 6

Leptotene

Zygotene

Pachytene

Diplotene

Question 7

Only 1 and 2

Only 2 and 3

Only 1 and 3

All of the above

Question 8

M phase

G1 phase

S phase

G2 phase

Question 9

2 and 1 respectively

1 and 2 respectively

1 and 1 respectively

2 and 2 respectively

Question 10

30 minutes

20 minutes

60 minutes

90 minutes

Solution

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G₁phase

G₂ phase

G₁ phase

G₂ phase