問題一覧
1
Interphase involves all except
mitotic phase
2
Cell cycle is per form for reproduction in unicellular organisms
t
3
A: different cells have different dividing capacities R: cell cycle is under genetic control
1
4
Preparation of for cell division occurs
Interphase
5
Cell dividing phase or division phase is also known as mitotic phase and and M phase
t
6
Typical human cell divides in 24 hour then calculate time for M phase🔥
1hrs
7
Yeast cell multiply in 90 minutes calculate duration of interphase
85.5 min
8
The phase which is present between two and Mphase
t
9
Pre replicative phase is
G1 phase
10
Post replicative phase is
G2 phase
11
Post mitotic phase is
G1 phase
12
Pre mitotic phase is
G2 phase
13
Duplication of centrosome or centriole in cytoplasm occurs in which phase
S phase
14
Duplication of mitochondria chloroplast and Golgi body occurs in
G2 phase
15
Tubulin Protein synthesis occurs in
G2 phase
16
Preparation of enzyme which are required for replication occurs in
G1 phase
17
Duplication of maximum cell organelles occurs in
G1 phase
18
Chromosome consists of
all of the above
19
Chromatin consists of
all of the above
20
Number of chromosome is equal to
t
21
When cell goes from G1 to G2 then
common- chromosome number double -DNA amount
22
A typical cell has amount of chromosome X and amount of DNA 2C then amount of DNA in G2 phase, S phase & G1 phase respectively
4C,4C,2C
23
A typical cell has no of chromosome X and amount of DNA 2C then no of chromosome in G2 phase, S phase & G1 phase respectively
X,X,X
24
Sister chromatids have identical DNA sequence
t
25
Phase of cytoplasmic growth is (NCERT summary)
G2 phase
26
Maximum size of cell is present in
G2 phase
27
Maximum comparative or relative growth occursi in🔥
G1 phase
28
A: cell enters into cell cycle R: existing nucleus fail to control the activity of entire nucleus
3
29
Which phase of cell cycle decide that the cell will enter into cell cycle or not
G1 phase
30
After which phase of cell will enter into cell division
G2 phase
31
Cytoplasmic division is followed by nuclear division 🔥🔥
f
32
Chromatin condensation begins in which phase
Prophase
33
In which phase centriolar movement begins
Prophase
34
In which phase spindle fibre formation begins
Prophase
35
In which phase disintegration of nuclear membrane begins
Prophase
36
In which phase disappearance of cell organelles occurs
Prophase
37
In which phase decondensation of chromatin occurs
Telophase
38
In which phase reintegration of nuclear membrane occurs
Telophase
39
In which phase reappearance of cell organelles occurs
Telophase
40
In which phase spindle fibre breakdown occurs
Telophase
41
Which phase is the phase of two nucleus
Telophase
42
A: In prophase chromatin condensation begins R: To faciliate movement of chromosome during cell division
1
43
In which phase astral rays formation occurs
Prophase
44
A: In prophase disintegration of nuclear membrane occurs R: To facilitate joining of spindle fibres to chromosome
1
45
Disappearance of cell organelle takes place due to increased viscosity of cytoplasm during metaphase
f
46
Spindle fiber formation takes place by the polymerization of microfilaments🔥
f
47
In which phase mitotic apparatus formation occurs
Prophase
48
In which phase chromosomes with two sister chromatids are just visible
Prophase
49
Which event of early prophase completes in late prophase
disappearance of cell organelles
50
Transition to metaphys is also known as beginning of metaphase
t
51
DNA replication occurs in which phase of cell cycle
S phase
52
Chromosomes are clearly visible in which phase of cell cycle
metaphase
53
Cell with constant amount of DNA in cell cycle is in ____phase
G1& G2 phase
54
Which of the following is true about cell cycle
all of the above
55
Interphase 1. Is a biosynthetic phase in which the cell duplicates its organelles 2. Constitutes more than 95% duration of cell cycle. 3. Is the phase between two successive M-phase Correct options are
1,2,3
56
The correct sequence of stages in cell cycle is A) G1,S,G2,M B)G1, G2,S,M C)M,S,G1, G2 D)G1, G2,M,S
a
57
Question Starting of Prophase is marked by🏹🏹
Initiation of condensation of chromosomal material
58
In which phase Chromosome with two sister chromatids first appear A )Anaphase B) Metaphase C)Prophase D )Telophase
3
59
End of Prophase is marked by🏹🏹
Disappearance of ER, GB, nucleolus and nuclear envelope
60
Which phase is represented in diagram
early prophase
61
Which phase is represented in diagram🔥
late prophase
62
Which phase is represented in diagram
transition to metaphase
63
Which phase is represented in diagram
metaphase
64
Which phase is represented in diagram
anaphase
65
Which phase is represented in diagram
telophase
66
Which phase is represented in diagram
interphase
67
Which is the best stage to see morphology of chromosome
metaphase
68
Middle mein mil gaye
metaphase
69
Select the wrong statement about metaphase
complete disintegration of nuclear membrane is the beginning of M phase
70
Select the wrong statement about Kinetochore
none
71
Centromeres are facing towards poles and arms are trailing behind It is the characteristic of which phase
anaphase