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Biology Chapter No. 7 CELL CYCLE 2nd Year Online MCQs

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Chapter No. 7
Second Year
Multiple Choice Questions
Note : All MCQ’s selected in this test are from OLD F.Sc. board , UHS and PMC(Pakistan Medical Commission) Islamabad Papers.

Book Name :  Biology
Chapter No. 07
Chapter Name : CELL CYCLE
Total MCQ from Text Book :  97
Book Version  :

Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ 
Exam conduct By : Inter Boards ofSindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade  : 12th ( F.Sc. Intermediate)
Total Marks : 97
Total Time :  97 minutes





1 / 97

The period of cell cycle between two consecutive divisions is termed as:

2 / 97

During cell division the nuclear division is called

3 / 97

Meiosis & Mitosis are found in:

4 / 97

The main significance of mitosis is that:

5 / 97

Molosls is a:

6 / 97

The pairing of homologous chromosomes is completed in:

7 / 97

G1 (Gap I) is the period of:

8 / 97

The significance of mitosis is that it can:

9 / 97

Mental retardation is one of the most important characteristic of the human individuals affected with:

10 / 97

Inter phase period can be divided into

11 / 97

The microtubule is composed of traces of RNA and protein called:

12 / 97

Karyokinesis involves division of

13 / 97

The reduction division is also called:

14 / 97

The cell death due to tissue damage is called

15 / 97

The paired chromosomes repel each other and begin to separate in

16 / 97

Cell grows about twice its size during the phase:

17 / 97

Cell cycle is:

18 / 97

In the case of human cell, average cell cycle is about

19 / 97

Duplication of Nuclear material in the cell initiates the phase:

20 / 97

Which of the following is true?

21 / 97

Which of the following Is the longest phase In cell division?

22 / 97

The cell death due to tissue damage is called

23 / 97

Mongolism is also known as

24 / 97

In prophase, the chromosomes condense & become shorter & thicker:

25 / 97

Decision for division occurs in a cell at:

26 / 97

Apoptosis is

27 / 97

Protein sontlal for chromatin formation:

28 / 97

The plane of new wall formation in a dividing cell is determined by:

29 / 97

Chiasma are most appropriately observed in meiosis during:

30 / 97

The microtubules of mitotic apparatus are composed of protein tubulin and traces of:

31 / 97

The sequence in the cell cycle is:

32 / 97

In which stage of prophase-I, crossing over occurs:

33 / 97

Amitotic divisions are usually found in:

34 / 97

Bivalents or Tetrads are formed in

35 / 97

Chromosomes appear inside the nucleus at the time of

36 / 97

Cancer is caused mainly by mutation in

37 / 97

The chromosomes became visible, shorter and thick in

38 / 97

The vesicle forming phragmoplast originate during

39 / 97

It is the period of extensive metabolic activity:

40 / 97

The sex chromosomes of the person affected with Klinefelter syndrome is:

41 / 97

In which phase of mitosis the chromatids of chromosomes separates from each other

42 / 97

Pairing of homologous chromosomes for tetrad formation starts at

43 / 97

Prolonged prophase is characteristic of:

44 / 97

The phragmoplast is organized:

45 / 97

The centrioles lie within the:

46 / 97

Prognmmed and organized process of cell death is also called

47 / 97

Synapsis occurs during

48 / 97

Cancer is caused mainly by mutations in:

49 / 97

Special type of cell division in which the number of chromosomes in daughter cells is reduced to half as compared to parent cell is called as:

50 / 97

Phragmoplast is formed by vesicles originated from

51 / 97

In non-disjunction chromosomes fail to segregate during

52 / 97

Nerve cells and eye lens cells remaining stage for life time

53 / 97

Down's syndrome in human beings is due to:

54 / 97

Length of cell cycle in yeast cells is:

55 / 97

The pairing of homologous chromosomes is completed in

56 / 97

Which one sub-stage of prophase-I of meioses-I lasts for days, weeks or even years?

57 / 97

The syndrome having trisomy of chromosome number 18 is

58 / 97

The difference in the division of a plant cell and animal cell is:

59 / 97

Post mitotic cell can exis the cell cycle during phase

60 / 97

When chromosomes reach to the poles, the phase starts is:

61 / 97

A female lacking ovaries and germ cells is probably affected with

62 / 97

Microtubules are composed of

63 / 97

For the formation of fragmoplast, the vesicles originate from:

64 / 97

The spindle fibers are composed of traces of RNA 8, a protein called:

65 / 97

The linear arrangement of genes is evidenced in:

66 / 97

The kinetochore fibres of spindle attach to chromosome at region

67 / 97

Cytoplasm becomes more viscous during:

68 / 97

Crossing over occurs during

69 / 97

Cell Death due to tissue damage is called

70 / 97

How many times mitotic divisions will take place to produce 512 cells from a single parent cell

71 / 97

In human cell, average cell cycle is about:

72 / 97

The Turner syndrome is due to:

73 / 97

Chromatin network is visible during

74 / 97

Cancer occurs due to error in

75 / 97

Which of the following is not a divisional stage?

76 / 97

Synapsis takes place in

77 / 97

The microtubules which originate from the centrioles during mitosis in animal cell give rise to:

78 / 97

Crossing over indicates that chromosomes are:

79 / 97

What are the significant happenings of meiosis

80 / 97

Chromosomal doubling Occurs in

81 / 97

The number of sets of microtubules originate from each pair of centriole is

82 / 97

Each chromosome when visible consists of two unseparated replicas known as:

83 / 97

Chromosomes can be counted at:

84 / 97

Meiosis generally takes place in plants during formation of

85 / 97

Karyokinesis involves division of Nucleus and Cytokinesis refers to:

86 / 97

Which tumor is delocalized or has branches other than site of origin

87 / 97

The death of cell due to tissue damage is called

88 / 97

The Syndrome in which individual has short stature, webbed neck, with out ovaries and complete absence of germ cells is

89 / 97

Tumors non transferable to other parts are:

90 / 97

The spread of tumor cells and establishment of secondary area of growth is known as

91 / 97

Post Mitotic Cell can exit the Cell Cycle during

92 / 97

Full cell cycle in yeast cells has length of:

93 / 97

Unequal separation of chromosomes is called

94 / 97

The tumor which is localized and not transferred to other body parts

95 / 97

The period of life cycle of cell between two consecutive divisions is termed as

96 / 97

One the following is not included in karyokinesis:

97 / 97

Pairing of homologous chromosomes is called as

Your score is

The average score is 49%


[mtouch quiz 156]


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