Cell Cycle MCQs Biology Fsc Part 2 Unit 21 With Answer Keys

cell cycle

Cell cycle MCQs Biology 12th class Fsc chapter 21. All MCQs are given with answer keys. These MCQs are collected from past papers of fsc all Punjab Boards. Past papers MCQs are from the Boards of Lahore, Multan, Dera Ghazi Khan, Faisal abad, Gujran wala, Rawalpindi, Faisla abad and so many others.

Cell Cycle MCQs Biology Fsc Part 2 Unit 21

Here are cell cycle MCQs Biology of fsc chapter 21 fully solved. MULTIPLE CHOICE QUESTIONS (MCO’s) From Previous Board Papers 2014-2015-2016-2017-2018)
Nerve cells and eye lens cells remain in stage for a lifetime. (MLN. GI, 2016).
(A) O,
(B) G2
(C) Go
(D) S

In the case of human cell, the average cell cycle is about: (SWL. GI, 2016XMLN. GI, 2017) (LHR. GI, 2018)
(A) 24 hours
(B) 26 hours
(C) 28 hours
(D) 30 hours

The full cell cycle in yeast cells has a length of: (LIIR. GI. 2015/LUR. GI, 2016}(SGD. 2017)
(A) 30 minutes
(B) 60 minutes
(C) 90 minutes
(D) 120 minutes
DNA synthesis and chromosomal doubling occurs in: (SGD. GI, 2015)(SGD. GI, 2016)
(A) G-phase
(B) G2 – phase
(C) Go-phase
(D) S. phase

The interphase period can be divided into: (SGD. GI, 2015)(SGD. GI. 2016)
(A) G1, G2, G3
(B) G1, G2, G
C G1.S, G2
(D) S, G, S2

Mitotic cells can exist cell cycle during: (BWP. GI, 2015}(DGK. GI, 2016) (SGD. 2018)
(A) Go – phase
(B) G1 – phase
(C) S-phase
(D) G2 – phase

Karyokinesis involves division of: (DGK, GI. 2016)
(A) Cell
D) Nucleus
(C) Cytoplasm
(D) Cell Membrane

For the Formation of the phragmoplast, the vesicles originate from: (LHR. GII, 2015)(LHR. GII. 2016) (SWL. 2018)
(A) Endoplasmic Reticulum
(B) Golgi Complex
(C) Chloroplast
(D) Mitochondria

The microtubule is composed of traces of RNA and protein called:(LHR. GII, 2015) (DGK. 2018) (DGK. 2018)
(A) Myosin
(B) Troponin
(C) Actin
(D) Tubulin

The microtubules of mitotic apparatus are composed of protein tubulin and traces of: (GRW.GII. 2015) LIIR. GI, AJK. GI, 2016)
(C) Lipids
(D) Terpenoids

Tissue culture and cloning seek help through:(GRW, GII, 2015)
(A) Mitosis
(B) Endomitosis
(C) Meiosis
(D) Karyokinesis

During cell division, the nuclear division is called: (MLN, GI, 2015) (SWL. 2017)
(A) Cytokinesis
(B) Karyokinesis
(C) Karyotype
(D) Plasmolysis

Karyokinesis involves division of the nucleus and Cytokinesis refers to: (BWP. GI. 2015)
(A) Division of whole cell
(B) Division of Cytoplasm
(C) Division of Centromere
(D) Division of Cell Wall

The number of sets of microtubules originate from each pair of centriole is: (AJK. CI, 2015)
A 03 .
(B) 04
(C) 05
(D) 06

Chromatin network is visible during: (GRW, GI. 2014%DGK. G11, 2017)
(A) Interphase
(B) Prophase
(C) Metaphase
(D) Anaphase

Contractile ring in cytokinesis is formed by: (RWF. G1.2010)
(A) Tubulin
B. Actin and Myosin
(C) Keratin
(D) Cyclin

The most critical phase of mitosis, it helt ensures equul distribution of chromatids in the
daughter cells is: (PHD. GI, DOK, G11. 2014.MGK, GII, 2017
A Anaphase
(B) Metaphase
(C) Prophase
(D) Telephase

inch bivalent consists of four: (KWP. GI, 2017)
(A) Chromosomes
B Chromatids
(C) Chiasinata
(D)) Spores

Ench Wivalent is consists of four: (BWP. 2018)
(A) Chromosome
(B) Chromatids
(C) Chiasmata
(D) Spore

Which of the following behaves like normal cells? (SGD. 01. 2016)
A Benign tumor
(B) Malignant tumor
(C) Cancer
(D). Gall

The tumor which is localized and not transferred to other body parts:(+80. GI.2016) (FBD). 2014)
(A) Malignant
B) Benign
(C) Apoptosis
(D) Necrosis

Which tumor is delocalized or has branches other than site of origin: (SGD), GI, 2015)
(A) Benign
B) Malignant
(C) Both
(D) Apoptosis

Cancer is caused mainly by a mutation in: (MLN. G1, 2015(DGK, GI, 2017)
(A) Somatic cells
(B) Malignant cells
(C) Sex cells
(D) Reproductive cells

The spread of tumor cells and establishment of a secondary area of growth is known as: (LUIK, GII, 2014)(FBD. 2017)
(A) Necrosis
(B) Apoptosis
(C) Metastasis
(D) Epigenesis

Cancer occurs due to error in: (SWI. G1, 2014)
A Mitosis
(B) Meiosis
(C) Binary fission
(D) Budding
An unwanted clone of cells and establishment of secondary areas of growth is called: (MLN. GI, 2014)
A Tumor
(B) Growth
(C) Lump
(D) Swelling

The pairing of homologous chromosomes is completed in (GRW.GI, 2015)
(A) Leptotenc
(B) Zygotene
(C) Diplotene
(D) Pachytene

The type of cell division in which number of chromosomes is reduced to half in daughter cells is
called: (FBD, G1, 2015)
(A) Mitosis
(B) Meiosis
(C) Budding
(D) Binary Fission

Which one sub-stage of prophase-I of Mciosis-1 lasts for days, week or even years? (DGK. G1, 2015)
(A) Zygotenc
(B) Leplotene
C Pachytene
(D) Diplotene

In which stage of Meiosis, crossing over occur? (SGD, GI. 2014)(MLN. GII, 2017)
(A) Leptotene
(B) Zygotene
(C) Pachytene
(D) Anaphase

The actual reduction division is: (BWP. GI, 2014)
A Meiosis-1
(B) Meiosis-11
(C) Mitosis
(D) Cytokinesis

The prophase stage in which the chromosomes become visible, shorten and thick: (DGR. GI. 2014/DGK. GII, 2016)
A Leptotene
(B) Zygotene
(C) Pachytenc
(D) Diplotene

Unequal separation of chromosomes is called: (MLN. G1, 2016)
(A) Disjunction.
(B) Separation
C Non-disjunction
(D) Metastasis

The syndrome in which an individual has short stature, webbed neck, without ovaries and
complete absence of germ cells is: (DGK. CI.2015)
A Mongolism
(B) Klinc felter syndrome
(C) Down’s Syndrome
(D) Turner’s Syndrome

All are related to Turner’s Syndrome, except: (FBD. GI, 2014)
(A) Short Stature
(B) Webbed Neck
C Broad Face
(D) Without (varies

In non disjunction, chromosomes fail to scqreqate during: (FBD. 2017)
(A) Prophase
(B) Metaphase
(C) Anaphase
(D) Telphase

Cell death due to tissue damage is called: (AJK. CI.SGD, GI, 2016/SILN. CI, SW L. 2017)
(A) Apoptosis
(B) Metastasis
(C) Necrosis
(D) Suicide

Programmed and organized process of cell death is also called
(A) Apoptosis
(B) Necrosis
(C) Cancer
(D) Metastasis

Apoptosis is: (LIIR. CI. 2014)
(A) Division of cells
(B) Death of Cells by tissue damage
(C) Suicide of cells
(D) Weakness of cells

Meiosis-ll is just like the:
(A) Amitosis
(B) Mitosis
(C) Regeneration
(D) Replacement

The duration of mitosis in the human cell cycle is: (GRW. 2017)
(A) 30 hour
(B) 30 sec
(C) 30 days
(D) 30 min

The sex chromosomes of the person affected with Klinefelter’s syndrome are: (RW.GI, 2017)
(D) XY

The condensation of chromosomes reaches its maximum during: (LHR. GI, 2017)
(A) Diakinesis
(B) Pachytene
(C) Zygotene
(D) Leptotene

The presence of invading cells other than normal tissue is an indication of: (LHR. GI. 2017)
(A) Melatoma
(B) Abnormality
(C) Mutation
(D) Malignancy

The frequency of occurrence of down syndrome is: (GRW.2017)

The chromosomes appear as thin threads having length of: (MLN. GI, 2017)
(A) 0.25 pm to 50 um
(B) 2.5 um to 50 pm
(C) 25 um to 50 um
(D) 0.025 μm to 50 μm

A network of very fine threads called chromatin material can be visualized in cell during: (DGK, GII, 2017)
(A) Interphase
(B) Metaphase
(C) Anaphase
(D) Prophase

A group of similar cells that performs a specific function is called: (LIR. GII, 2017)
(A) Organ
(B) Tissue
(C) Organelle
(D) Organ system

The percentage of lipids in plasma membrane is: (LAR, GII, 2017)
(A) 60 – 80%
(B) 30 – 60%
(C) 20 – 40%
(D) 10-20%

The feeding stage of a slime mold is called: (LHR. GII, 2017)
(A) Thallus
(B) Hyphae
(C) Mycelium
(D) Plasmodium

Thylakoid membranes are involved in ATP synthesis by: (LHR. GII, 2017)
(A) Glycolysis
(B) Dark reaction
(C) Chemiosmosis
(D) Photolysis

Meiosis occurs only in: (LIIR, G1, 2018)
(A) Haploid cells
(B) Diploid cells
(C) Triploid cells
(D) Pentaploid cells

The death of the cell due to tissue damage is called: (LIIR. GI, 2018)
(A) Necrosis
(B) Phagocytosis
(C) Metastasis
(D) Apoptosis

The interphase of meiosis lacks the stage: (LIIR. GUI, 2018)
(A) G.
(B) G
(C) G2
(D) S

The full cell cycle in yeast cells is completed in: (MLN. 2018)
(A) 24 hours
(B) 4.5 hours
(C) 30 minutes
(D) 90 minutes

The autosomal non-disjunction in man in which 21st pair of chromosome fail to segregate
resulting in gametes with 24 chromosome is: (SWL. 2018)
A) Down’s syndrome
(B) turner’s syndrome
(C) Klinfilter syndrome
(D) jacob’s syndrome

Cell death due to tissue damage is called: (SGD. 2018)
(A) Apoptosis
(B) Metastasis
(C) Cyclosis
(D) Necrosis

Apoptosis is: (RWP, 2018)
(A) Division of cells
(B) Death of cells by tissue damage

(C) suicide of cells

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