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9th Class Biology Chapter 5 Cell Cycle English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Chromosomes condensation occurs during .............. .
Choose an answer
G1-phase
G2-phase
S-phase
Interphase
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Question # 2
Programmed cell death is called ............... .
Choose an answer
Apoptosis
Necrosis
Both a & b
None
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Question # 3
In which stage of the cell cycle, the cell is preparing enzymes for chromosome duplication.
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G1
G2
S
M
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Question # 4
Which event distinguishes meiosis from mitosis?
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Condensation of chromosomes
Loss of the nuclear membrane
Formation of metaphase plate
Pairing of homologous chromosomes
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Question # 5
If you observe cell like this one, what phase of mitosis is it?
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Anaphase
Telophase
Metaphase
Prophase
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Question # 6
Down's sayndrome is an autosomal non-disjunction of chromosomes number ............. .
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22
12
21
14
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Question # 7
The prokaryotic cell division is termed as :
Choose an answer
Binary fission
Multiple fission
Cytokinesis
Karyokinesis
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Question # 8
For mitosis, the chromosomes of the cells are duplicated during interphase. When do the chromosomes duplicated for meiosis?
Choose an answer
Before meiosis 1
Before meiosis 2
During Meiosis 1
Do not duplicate
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Question # 9
During the division phase the cell ................ into two.
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Split
Divide
Both
None
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Question # 10
Type of spindle fibre which attaches the chromosomes is called:
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Kinetochore
Non Kinetochore
Bot a and b
Centromere
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Question # 11
Chromosomes are not visible during:
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Anaphase
Prophase
Interphase
Metaphase
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Question # 12
In this phase of Interphase the cell prepares proteins for the production of spindle fibres.
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G2 phase
G O phase
S phase
G I Phase
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Question # 13
The phenomenon of spread of tumor is called:
Choose an answer
Malignant
Benign
Metastasis
Mitosis
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