CBSE Class 11 Biology Cell Cycle and Cell Division MCQs

Refer to CBSE Class 11 Biology Cell Cycle and Cell Division MCQs provided below. CBSE Class 11 Biology MCQs with answers available in Pdf for free download. The MCQ Questions for Class 11 Biology with answers have been prepared as per the latest syllabus, CBSE books and examination pattern suggested in Class 11 by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 10 Cell Cycle and Cell Division are an important part of exams for Class 11 Biology and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 11 Biology and also download more latest study material for all subjects

MCQ for Class 11 Biology Chapter 10 Cell Cycle and Cell Division

Class 11 Biology students should refer to the following multiple-choice questions with answers for Chapter 10 Cell Cycle and Cell Division in Class 11. These MCQ questions with answers for Class 11 Biology will come in exams and help you to score good marks

Chapter 10 Cell Cycle and Cell Division MCQ Questions Class 11 Biology with Answers

Question : Chromosome duplication without nuclear division refers to

a) mitosis

b) endomitosis

c) meiosis

d) androgenesis

Answer : mitosis

 

Question : During which stages (or prophase I substages) of meiosis do you expect to find the bivalents and DNA replication respectively?

a) Zygotene and S phase (of interphase prior to prophase I)

b) Both

c) Pachytene and interphase (just prior to prophase I)

d) None of these

Answer : Zygotene and S phase (of interphase prior to prophase I)

 

Question : The two chromatids of a metaphase chromosome represent

a) replicated chromosomes to be separated at anaphase

b) homologous chromosomes of a diploid set

c) non-homologous chromosomes joined at the centromere

d) maternal and paternal chromosomes joined at the centromere

Answer : replicated chromosomes to be separated at anaphase

 

Question : Recombination of genes occur at

a) prophase I in meiosis

b) prophase II in meiosis

c) metaphase II in meiosis

d) prophase in mitosis

Answer : prophase I in meiosis

 

Question : Four daughter cells formed after meiosis are

a) genetically different

b) multinucleate

c) genetically similar

d) anucleate

Answer : genetically different

 

Question : In animal cells, cytokinesis involves

a) the contraction of the contractile ring of microfilament

b) depolymerisation of kinetochore microtubules

c) a protein kinase that phosphorylates other enzymes

d) the separation of sister chromatids

Answer : the contraction of the contractile ring of microfilament

 

Question : The number of chromatids in a chromosome at anaphase is

a) 1 in mitosis and 2 in meiosis

b) 2 each in mitosis and meiosis

c) 2 in mitosis and 4 in meiosis

d) 2 in mitosis and 1 in meiosis

Answer : 1 in mitosis and 2 in meiosis

 

Question : During cell division, sometimes there will be failure of separation of sister chromatids. This event is called

a) non-disjunction

b) coincidence

c) complementation

d) interference

Answer : non-disjunction

 

Question : In which stage of the cell cycle histone proteins synthesized in a eukaryotic cell?

a) During S-phase

b) During entire prophase

c) During telophase

d) During G2 stage of prophase

Answer : During S-phase

 

Question : What is true about telophase stage?

a) All of these

b) Nuclear envelope, nucleolus, Golgi complex and ER reform

c) Chromosomes cluster at opposite spindle poles

d) Chromosomes lose their identity as discrete elements

Answer : All of these

 

Question :  The centromere is situated close to its ends and forming one extremely short and one very long arm in

a) Acrocentric chromosome

b) Telocentric chromosome

c) Sub-metacentric chromosome

d) Metacentric chromosome

Answer : Acrocentric chromosome

 

Question : The stage between two meiotic divisions is called interkinesis and

a) Is generally short lived and followed by prophase II

b) Involves duplication of genes and centrioles

c) Is followed by prophase I

d) Is long lived

Answer : Is generally short lived and followed by prophase II

 

Question : Which is correct w.r.t. anaphase?

a) Centromeres split and chromatids separate

b) Chromosomes are moved to spindle equator

c) Chromatid splits by recombinase activity

d) None of these

Answer : Centromeres split and chromatids separate

 

Question : Which one of the following events is incorrect for cell cycle?

a) All events are under genetic control

b) Maximum cell growth occurs in M-phase

c) DNA synthesis occurs only during one specific

d) Centriole duplication occurs in S-phase

Answer : All events are under genetic control

 

Question : The sequence of events by which a cell duplicates its genome, synthesises other constituents of the cell and eventually divide into two daughter cell is termed as

a) M-phase

b) Karyochorists

c) Cell cycle

d) None of these

Answer : M-phase

 

Question : Lampbrush chromosomes are seen in which typical stage?

a) Meiotic prophase

b) Mitotic prophase

c) Mitotic anaphase

d) Mitotic metaphase

Answer : Meiotic prophase

 

Question : In telophase of mitosis, the mitotic spindle breaks down and nuclear membranes form. This is essentially the opposite of what happens in

a) prophase.

b) metaphase.

c) interphase.

d) None of these

Answer : prophase.

 

Question : Which of the following carry the same genetic information?

a) sister chromatids

b) X and Y chromosomes

c) all autosomes

d) homologous chromosomes

Answer : sister chromatids

 

Question : Which of the following is true of kineto-chores?

a) All of the above

b) They are localized at the centromere of each chromosome

c) They are the sites where microtubules attach to separate the chromosomes.

d) They are organized so that there is one per sister chromatid in meiosis

Answer : All of the above

 

Question : Chromosome movement during anaphase is the result of

a) Both

b) None of these

c) the molecular motors at the kinetochores that move the chromosomes toward the poles.

d) shortening of the microtubules at the centrosome that pull the chromosomes toward the poles

Answer : the molecular motors at the kinetochores that move the chromosomes toward the poles.

 

Question : Programmed cell death (apoptosis)

a) is a natural process during development

b) is signaled by the initiated of mitosis

c) occurs in cells that have been deprived of essential nutrients.

d) None of these

Answer : is a natural process during development

 

Question : A bivalent consists of 
a) two chromatids and one centromere
b) two chromatids and two centromeres
c) four chromatids and two centromeres
d) four chromatids and four centromeres
 
Question : Nucleoproteins are synthesized in 
a) nucleoplasm b) nuclear envelope
c) nucleolus d) cytoplasm
 
Question : Segregation of Mendelian factor (Aa) occurs during 
a) diplotene
b) anaphase-I
c) zygotene/pachytene
d) anaphase-II
 
Question : Hammerling’s experiments of Acetabularia involved exchanging
a) cytoplasm
b) nucleus
c) rhizoid and stalk
d) gametes
 
Question : In meiosis, the daughter cells differ from parent cell as well as amongst themselves due to 
a) segregation, independent assortment and crossing over
b) segregation and crossing over
c) independent assortment and crossing over
d) segregation and independent assortment
 
Question : Mitotic anaphase differs from metaphase in possessing 
a) same number of chromosomes and same number of chromatids
b) half number of chromosomes and half number of chromatids
c) half number of chromosomes and same number of chromatids
d) same number of chromosomes and half number of chromatids
 
Question : Number of chromatids at metaphase is
a) two each in mitosis and meiosis
b) two in mitosis and one in meiosis
c) two in mitosis and four in meiosis
d) one in mitosis and two in meiosis
 
Question : Experiments on Acetabularia by Hammerling proved the role of 
a) cytoplasm in controlling differentiation
b) nucleus in heredity
c) chromosomes in heredity
d) nucleo-cytoplasmie ratio
 
Question : Genophore/bacterial genome or nucleoid is made of
a) histones and non-histones
b) RNA and histones
c) a single double stranded DNA
d) a single stranded DNA
 
Question : Balbiani rings (puffs) are sites of
a) DNA replication
b) RNA and protein synthesis
c) synthesis of polysaccharides
d) synthesis of lipids
 
Question : In salivary gland chromosomes/polytene chromosomes pairing is
a) absent
b) occasional
c) formed between non-homologous chromosome
d) formed between homologous chromosomes
 
Question : Meiosis-II performs
a) separation of sex chromosomes
b) synthesis of DNA and centromeres
c) separation of homologous chromosomes
d) separation of chromatids
 
Question : Best stage to observe shape, size and number of chromosomes is
a) interphase b) metaphase
c) prophase d) telophase
 
Question : Meiosis has evolutionary significance because it results in 
a) genetically similar daughters
b) four daughter cells
c) eggs and sperms
d) recombinations
 
Question : The point, at which polytene chromosomes appear to be attached together, is called
a) centriole
b) centromere
c) chromomere
d) chromocentre
 
Question : Lampbrush chromosomes occur during
a) prophase of mitosis
b) diplotene of meiosis
c) metaphase of meiosis
d) interphase
 
Question : In cell cycle, DNA replication takes place in
a) G1 – phase
b) G2–phase
c) mitotic metaphase
d) S-phase
 
Question : The exchange of genetic material between chromatids of paired homologous chromosomes during first meiotic division is called
a) transformation
b) chiasmata
c) crossing over
d) synapsis
 
Question : During cell division in apical meristem the nuclear membrane appears in
a) metaphase b) anaphase
c) telophase d) cytokinesis
 
Question : Which one of the following structures will not be common to mitotic cells of higher plants? 
a) Cell plate b) Centriole
c) Centromere d) Spindle fibres
 
Question : Genes located on mitochondrial DNA 
a) generally show maternal inheritance
b) are always inherited from the male parent
c) show biparental inheritance like the nuclear genes
d) are not inherited
 
Question : Centromere is a part of 
a) ribosomes
b) chromosome
c) mitochondria
d) endoplasmic reticulum
 
Question : How many mitotic divisions are needed for a single cell to make 128 cells? 
a) 7 b) 14
c) 28 d) 64
 
Question : Bacterium divides every 35 minutes. If a culture containing 105 cells per mL is grown for 175 minutes, what will be the cell concentration per mL after 175 minutes? 
a) 5 ×105 cells b) 35 × 105 cells
c) 32 × 105 cells d) 175 × 105 cells
 
Question : Crossing over in diploid organism is responsible for 
a) dominance of genes
b) linkage between genes
c) segregation of alleles
d) recombination of linked alleles
 
Question : DNA is mainly found in 
a) nucleus only b) cytoplasm only
c) Both a) and b) d) nucleolus
 
Question : The eukaryotic genome differs from the prokaryotic genome because 
a) DNA is complexed with histones in prokaryotes
b) repetitive sequences are present in eukaryotes
c) genes in the former cases are organised into operons
d) DNA is circular and single stranded in prokaryotes
 
Question : During cell cycle, the DNA replication occurs in
a) M-phase b) S-phase
c) G1-phase d) G2-phase
 
Question : During cell division, the spindle fibres attach to the chromosome at a region called
a) chromocentre b) kinetochore
c) centriole d) chromomere
 
Question : Extra nuclear DNA (genes) are located in
a) lysosomes and chloroplasts
b) Golgi complex and ribosomes
c) chloroplasts and mitochondria
d) ribosomes and mitochondria
 
Question : Extra nuclear chromosomes occur in 
a) peroxisome, ribosome
b) chloroplast, mitochondria
c) mitochondria, ribosome
d) chloroplast, lysosome
 
Question : Mitotic spindle is mainly composed of which protein? 
a) Actin b) Myosin
c) Actomyosin d) Myoglobin
 
Question : Which of the following occurs more than one and less than five in a chromosome? 
a) Chromatid b) Chromosome
c) Centromere d) Telomere
 
Question : Ribosomes are produced in 
a) nucleolus b) cytoplasm
c) mitochondria d) Golgibody
 
Question : Best material for the study of mitosis in laboratory is 
a) anther b) root tip
c) leaf tip d) ovary
 
Question : If a diploid cell is treated with colchicine then it becomes 
a) triploid b) tetraploid
c) diploid d) monoploid
 
Question : In the somatic cell cycle
a) in G1-phase DNA content is double the amount of DNA present in the original cell
b) DNA replication takes place in S-phase
c) a short interphase is followed by a long mitotic phase
d) G2-phase follows mitotic phase
 
Question : If you are provided with root tips of onion in your class and are asked to count the chromosomes, which of the following stages can you most conveniently look into? 
a) Metaphase b) Telophase
c) Anaphase d) Prophase
 
Question : Which one of the following precedes reformation of the nuclear envelope during Mphase of the cell cycle? 
a) Decondensation from chromosomes and reassembly of the nuclear lamina
b) Transcription from chromosomes and reassembly of the nuclear lamina
c) Formation of the contractile ring and formation of the phragmoplast
d) Formation of the contractile ring and transcription from chromosomes
 
Question : Crossing over that results in genetic recombination in higher organisms occur between
a) sister chromatids of bivalent
b) non-sister chromatids of a bivalent
c) two daughter nuclei
d) two different bivalents
 
Question : At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell?
a) During G2-stage of prophase
b) During S-phase
c) During entire prophase
d) During telophase
 
Question : The salivary gland chromosomes in the dipteran larvae are useful in gene mapping because
a) these are much longer in size
b) these are easy to stain
c) these are fused
d) they have endoreduplicated chromosomes
 
Question : Centromere is required for 
a) movement of chromosomes towards poles
b) cytoplasmic cleavage
c) crossing over
d) transcription
 
Question : What are those structures that appear as ‘beads-on-string’ in the chromosomes, when viewed under electron microscope ?
a) Genes
b) Nucleotides
c) Nucleosomes
d) Base pairs 
 
Question : Cytoskeleton is made up of: 
a) Cellulosic microfibrils
b) Proteinaceous filaments
c) Calcium carbonate granules
d) Callose deposits
 
Question : Synapsis occurs between: 
a) spindle fibres and centromere
b) two homologous chromosomes
c) a male and a female gamete
d) mRNA and ribosomes
 
Question : During mitosis ER and nucleolus begin to disappear at 
a) Late prophase
b) Early metaphase
c) Late metaphase
d) Early prophase
 
Question : What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its root tip cells ? 
a) 42 b) 63
c) 84 d) 21
 
Question : Which one of the following statements about the particular entity is true ? 
a) The gene for producing insulin is present in every body cell
b) Nucleosome is formed of nucleotides
c) DNA consists of a core of eight histones
d) Centromere is found in animal cells, which produces aster during cell division.
 
Question : The 3'-5' phosphodiester linkages inside a polynucleotide chain serve to join
a) One nucleoside with another nucleoside
b) One nucleotide with another nucleotide
c) One nitrogenous base with pentose sugar
d) One DNA strand with the other DNA strand.
 
Chapter 02 Biological Classification
CBSE Class 11 Biology Biological Classification MCQs
Chapter 05 Morphology of Flowering Plants
CBSE Class 11 Biology Morphology of Flowering Plants MCQs
Chapter 06 Anatomy of Flowering Plants
CBSE Class 11 Biology Anatomy of Flowering Plants MCQs
Chapter 07 Structural Organisation in Animals
CBSE Class 11 Biology Structural Organisation in Animals MCQs
Chapter 08 Cell The Unit of Life
CBSE Class 11 Biology Cell The Unit of Life MCQs
Chapter 10 Cell Cycle and Cell Division
CBSE Class 11 Biology Cell Cycle and Cell Division MCQs
Chapter 11 Transport in Plants
CBSE Class 11 Biology Transport In Plants MCQs
Chapter 13 Photosynthesis in Higher Plants
CBSE Class 11 Biology Photosynthesis in Higher Plants MCQs
Chapter 14 Respiration in Plants
CBSE Class 11 Biology Respiration in Plants MCQs
Chapter 15 Plant Growth and Development
CBSE Class 11 Biology Plant Growth and Development MCQs
Chapter 16 Digestion and Absorption
CBSE Class 11 Biology Digestion and Absorption MCQs
Chapter 17 Breathing and Exchange of Gases
CBSE Class 11 Biology Breathing and Exchange of Gases MCQs
Chapter 18 Body Fluids and Circulation
CBSE Class 11 Biology Body Fluids and Circulation MCQs
Chapter 19 Excretory Products and their Elimination
CBSE Class 11 Biology Excretory Products and Their Elimination MCQs
Chapter 20 Locomotion and Movement
CBSE Class 11 Biology Locomotion and Movement MCQs
Chapter 21 Neural Control and Coordination
CBSE Class 11 Biology Neural Control and Coordination MCQs
Chapter 22 Chemical Coordination and Integration
CBSE Class 11 Biology Chemical Coordination and Integration MCQs

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