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, Gujranwala, Rawalpindi, Faislabad and so many others.
We know you want to download 2nd-year biology chapter 21 cell cycle multiple choice questions (MCQs) in PDF format. For FSc part 2 students, these are the best and most complete biology notes. Because of this, we’ve put up the best 12th-grade biology notes we could find. You can easily read them online or save them to your computer.
This set of 12th-grade biology MCQ notes was made based on the curriculum of all Punjab Boards. The Punjab board is the only one that follows these notes. These Punjab boards are Gujranwala Board, Lahore Board, Faisalabad Board, Multan Board, Rawalpindi Board, Bahawalpur Board Sargodha Board, DG Khan Board, and Sahiwal Board.
Cell Cycle MCQs Biology Fsc Part 2 Unit 21
Here are cell cycle MCQs Biology of FSC chapter 21 fully solved. MULTIPLE CHOICE QUESTIONS (MCOs) From Previous Board Papers 2021-22)
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 cells, the average cell cycle is about: (SWL)
(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 occur 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
MCQs From Past Board Papers:
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 the 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 the mitotic apparatus are composed of protein tubulin and traces of (GRW.GII. 2015) LIIR. GI, AJK. GI, 2016)
(A) DNA
(B) RNA
(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 the division of the nucleus and Cytokinesis refers to (BWP. GI. 2015)
(A) Division of the whole cell
(B) Division of Cytoplasm
(C) Division of Centromere
(D) Division of Cell Wall
Past Papers MCQs From Cell Cycle Unit:
The number of sets of microtubules originating 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 helps ensures equal distribution of chromatids in the
daughter cells are: (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
Each Wivalent 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
Additional MCQs 2nd Year Biology:
The tumor 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 the 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 errors 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
Federal Board Papers MCQs 2nd-Year Biology:
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 the 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, weeks,s or even years? (DGK. G1, 2015)
(A) Zygotenc
(B) Leplotene
C Pachytene
(D) Diplotene
In which stage of Meiosis, does 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) Kline 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
Solved MCQs on Cell Cycle 12th Biology:
In non-disjunction, chromosomes fail to segregate (FBD. 2017)
(A) Prophase
(B) Metaphase
(C) Anaphase
(D) Telophase
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
The 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)
(A) XYY
(B) XXX
(C) XXY
(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)
1/700
1/40
1/500
1/200
The chromosomes appear as thin threads having lengths 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 the cell: (DGK, GII, 2017)
(A) Interphase
(B) Metaphase
(C) Anaphase
(D) Prophase
Cell Cycle Solved MCQs For FSC Students:
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 the 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 (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.)
(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 the 21st pair of chromosomes fail to segregate
resulting in gametes with 24 chromosomes is: (SWL. 2018)
A) Down’s syndrome
(B) turner’s syndrome
(C) Klinefelter 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