9th Biology Chapter 05 Cell Cycle Solved MCQs

Learn online solved MCQs of Biology Cell Cycle Full chapter solved questions answers. All of these objective type questions with solutions are helpful for upcoming jobs and tests preparations. These MCQs are also helpful for MDCAT Exams Entry Tests Preparations.

Biology MCQs Solved Questions Answers Cell Cycle

Q.1: In which stage of the cell cycle, the cell is preparing enzymes for chromosome duplication?

1. G1
2. G2
3. S
4. M

A

Q.2: Plants lack ............... ?

1. Protein
2. Centrioles
3. Spindle fibers
4. Cytokisnesis

B

Q.3: ............. occurs in somatic cells?

1. Meiosis I
2. Meiosis II
3. Mitosis
4. None

C

Q.4: Which one of the following stages of cell division is very different for animal and plant cells?

1. Prophase
2. Metaphase
3. Anaphase
4. Cytokinesis

D

Q.5: The process of mitaosis ensures that?

1. Each new cell is genetically different form its parent
2. Each new cell receives the proper number of chromosomes
3. Cells which divide at the appropriate tme
4. Chromosomes replicate without errors

B

Q.6: RNA, ribosomes and enzyme are synthesized during ............ ?

1. G2-phase
2. S-phase
3. G1-phase
4. Inretphase

C

Q.7: Phenomenon of crossing over in fruit fly was observed by?

1. T.H. Morgan
2. W.Flemming
3. Oscar Hertwig
4. Louis pasteur

A

Q.8: Chromatains are condensed during?

1. Anaphase
2. Prophase
3. Anaphase
4. Metaphase

B

Q.9: Crossing occurs during .............. ?

1. Meiosis
2. Mitosis
3. Meiosis II
4. None

A

Q.10: Chiasmata is formed during?

1. Prophase I
2. Anaphase I
3. Prophase II
4. Anaphase II

A

Q.11: The longest phase is?

1. Mitotic phase
2. Meiosis
3. Cell cycle
4. Interphase

D

Q.12: the failure of replicated chromosomes to separate during meiosis is .......... ?

1. Disjunction
2. Non-disjunction
3. Both a & b
4. None

B

Q.13: The class of man is?

1. Insecta
2. Mammalia
3. Magnoliopsida
4. Proteobacteria

B

Q.14: In which stage of the cell cycle most cells spend their lives?

1. Prophase
2. Metaphase
3. Interphase
4. Telohase

C

Q.15: Nuclei of human cell contain ........ autosomes?

1. 23 pairs
2. 22 pairs
3. 12 pairs
4. 14 pairs

B

Q.16: In turner’s syndrome female have .............. chromosomes ?

1. 46
2. 45
3. 47
4. 22

B

Q.17: Which phase of meiosis is similar to mitosis?

1. Prophase I
2. Telophase II
3. Meiosis I
4. Meiosis II

D

Q.18: ............. is similar to mitosis?

1. Meiosis I
2. Meosis II
3. Interphase
4. G-phase

B

Q.19: Programmed cell death is called .......... ?

1. Apoptosis
2. Necrosis
3. Both a & b
4. None

A

Q.20: In which stage of the cell cycle each chromosomes is duplicated and so it consists of two chromatids?

1. G I
2. S
3. M
4. G2

B

Q.21: Karyokinesis is division.............. ?

1. Nucleus
2. Cytoplasm
3. DNA
4. proteins

A

Q.22: Down’s syndrome is case of ............ ?

1. Autosomy
2. Monosomy
3. Trisomy
4. Tetrasomy

C

Q.23: The Klinefelter’s syndrome males have an extra ................ .chromosomes?

1. Sex
2. Autosome
3. Both 1 & b
4. None

A

Q.24: The process of mitosis ensures that?

1. Each new cell is genetically different from its parent
2. Each new cell receives the proper number of chromosomes
3. Cell will divide at the appropriate time
4. Chromosomes duplicated without errors

B

Q.25: Which of the following distinguishes meiosis from mitosis?

1. The chromosome number is reduced
2. Chromosomes undergo crossing over
3. The daughter cells are genetically different from the parent cell
4. All of the above

D

Q.26: In which stage of the cell cycle each chromosome is duplicated and so it consists of two chromatids?

1. GI
2. S
3. M
4. G2

B

Q.27: Chromosomes condensation occurs during ............ ?

1. G1-phase
2. G2-phase
3. S-phase
4. Interphase

B

Q.28: During mitosis the number of chromosomes becomes .......... ?

1. Double
2. Remain same
3. Becomes Half
4. None

B

Q.29: Males with two Y chromosomes have more ............ tendensies?

1. Citizenship
2. Criminal
3. Good
4. None

B

Q.30: Two consecutive cell division occurs in ...........?

1. Meiosis
2. Mitosis
3. Interphase
4. None

A

Q.31: During S-phase .............. occurs?

1. DNA replication
2. Protein synthesis
3. RNA transcription
4. Enzyme synthesis

A

Q.32: Specific enzymes are synthesized in?

1. G0
2. G2
3. G1
4. S phase

C

Q.33: The chromosomes are arranged along the equator of spindle in?

1. Prophase
2. Telophase
3. Anaphase
4. Metaphase

D

Q.34: In which language, Ibn-Rushd translated the Aristotle’s book “de Anima”?

1. Ibrani
2. Arabic
3. Hindi
4. PErsian

B

Q.35: During which phase of mitosis spindles are formed?

1. G2
2. Interphase
3. Prophase
4. Metaphase

C

Q.36: Independent assortment occurs during ................ ?

1. Meiosis I
2. Meiosis II
3. Mitosis
4. None

A

Q.37: Find the correct statement?

1. Homologous chromosomes form pairs during mitosis
2. Chromosomes do not duplicate in the interphase preceding meiosis-I
3. Homologous chromosomes form pairs during mitosis but not mitosis
4. Spindles are not required during meiosis

B

Q.38: Mitosis help i the ............ ?

1. Growth
2. Regenration
3. Cell replacement
4. All of the above

D

Q.39: Cytokineses in a plant cell is characterized by?

1. The equal division of homologous chromosomes
2. A pinching off a cell membrane to divide the cell
3. The formation of a cell plate in the cytoplasm
4. The movement of the chromosomes from the metaphase plate

C

Q.40: The cell death due to tissue damage is?

1. Apoptosis
2. Necrosis
3. Metastasis
4. Synapsis

B

Q.41: Which of the following stage of cell division is very different for animal and plant cells?

1. Telophase
2. Metaphase
3. Anaphase
4. Cytokinesis

D

Q.42: During the division phase the cell ............. into two?

1. Split
2. Divide
3. Both
4. None

C

Q.43: Which one is the lowest taxon of classification?

1. Genus
2. Order
3. Species
4. Phylum

D

Q.44: Necrosis is?

1. Division of cells
2. Suicide of cells
3. Cell death by tissue damage
4. Weakness of cells

C

Q.45: Chromosomes become double during?

1. G1
2. G2
3. G0
4. S phase

D

Q.46: Necrosis is death due to ........ cell damage?

1. Unexpected
2. Accidental
3. Both a & b
4. None

C

Q.47: The phase which can exist for life is?

1. G0
2. G1
3. G2
4. S phase

A

Q.48: The scientific name of human being is?

1. Homo sapiens
2. Pisum sativum
3. Amanta
4. E. coli

A

Q.49: A membrane-bounded disc is formed in plant cell to divide cytoplasm, this is called?

1. Chloroplast
2. Phragmoplast
3. Leucoplast
4. Chromoplast

B

Q.50: Chromosomes are not visible during?

1. Anaphase
2. Prophase
3. Interphase
4. Metaphase

C

Q.51: Modern classification (binomial nomenclature) is based on the work of?

1. Caesalpino
2. John Ray
3. Tournefort
4. Carolous Linnaeus

D

Q.52: Who suggested the first system of classification of organisms?

1. Al-Jahiz
2. Aristotle
3. John Ray
4. Averroes

B

Q.53: The fund event of interphase occurs with ............ ?

1. Replication of DNA
2. Replication of centriol
3. Movement of centriol
4. Both a & b

D

Q.54: Nucleus is visible only in?

1. Prophase
2. Interphase
3. Anaphase
4. Metaphase

B

Q.55: The prokaryotic cell division is termed as ?

1. Binary fission
2. Multiple fission
3. Cytokinesis
4. Karyokinesis

A

Q.56: Cells of which of the followings are called cancerois cells?

1. Malignant tumer
2. Benign tumer
3. Both a and b
4. None of the above

A

Q.57: The exchange of parts of non-sister chromatids is called?

1. Chiasmata
2. Linkage
3. Crossing over
4. None of these

C

Q.58: Prior to cell replicates or duplicates its genetic material , the products are connected by a centromere and are called?

1. Sister chromosomes
2. Homologous chromosomes
3. Non-sister chromatids
4. Sister chromatids

D

Q.59: In this phase of Interphase the cell prepares proteins for the production of spindle fibres?

1. G2 phase
2. G O phase
3. S phase
4. G I Phase

A

Q.60: Cytokinesis in a plant cell is characterized by?

1. The equal division of homologous chromosomes
2. A pinching off of the cell membrane to divide the cell
3. The formation of a cell plate in the cytoplasm
4. The movement of the chromosomes from the metaphase plate

C

Q.61: the Genetic variation are produced as a result of ............ ?

1. Meiosis
2. Mitosis
3. Interphase
4. None

A

Q.62: The condensation of chromosomes is completed during?

1. Telophase
2. Prophase
3. Anaphase
4. Metaphase

B

Q.63: the division of cytoplasm is called ........... ?

1. Karyokinesis
2. Cytokinesis
3. Anaohase
4. Telophase

B

Q.64: The phenomenon of spread of tumor is called?

1. Malignant
2. Benign
3. Metastasis
4. Mitosis

C

Q.65: Which one of the followings stage is similar in mitosis and meiosis?

1. Prophase
2. Anaphase
3. Metaphase
4. Telophase

D

Q.66: How many cells die each day due to apoptosis in humans?

1. 50 – 70 Billions
2. 50 – 70 Millions
3. 50-70 trillions
4. 20 – 30 Millions

A

Q.67: Example of Apoptotic process is .......... ?

1. Disappearance of tadpole tail
2. Disappearance of web human hand
3. Formation of fingers of hand
4. All of the above

D

Q.68: Down’s sayndrome is an autosomal non-disjunction of chromosomes number ........... ?

1. 22
2. 12
3. 21
4. 14

C

Q.69: Chromatids get separated form each other during?

1. Prophase
2. Telophase
3. Anaphase
4. Metaphase

C

Q.70: For mitosis, the chromosomes of the cells are duplicated during interphase. When do the chromosomes duplicated for meiosis?

1. Before meiosis 1
2. Before meiosis 2
3. During Meiosis 1
4. Do not duplicate

A

Q.71: If you observe a cell like this one, what phase of mitosis is it?

1. Anaphase
2. Telophase
3. Metaphase
4. Prophase

A

Q.72: In which stage of the cell cycle, the cell is preparing enzyme for chromosome replication?

1. G1
2. G2
3. S
4. M

A

Q.73: The kingdom of bacteria is?

1. Fungi
2. Monera
3. Protista
4. Plantae

B

Q.74: The division of nucleus is?

1. Mitosis
2. Karyokinesis
3. Cytokinesis
4. Meiosis

B

Q.75: If you observe cell like this one, what phase of mitosis is it?

1. Anaphase
2. Telophase
3. Metaphase
4. Prophase

A

Q.76: Which of the following structure is absent in animals?

1. Spindle
2. Centrioles
3. Chromatids
4. Phragmoplant

D

Q.77: What reason would you suggest for the fact that the total DNA content of each daughter cell is reduced during meiosis?

1. Chromosomes do not replicate during the interphase before meiosis 1
2. Chromosomes do not duplicate between meiosis 1 and 2
3. Half of the chromosomes form each gamete are broken
4. Sister chromatids separate during anaphase of meiosis 1

B

Q.78: Which event distinguishes meiosis from mitosis?

1. Condensation of chromosomes
2. Loss of the nuclear membrane
3. Formation of metaphase plate
4. Pairing of homologous chromosomes

D

Q.79: Who introduced Taxon of ‘order’ in classification?

1. Caesalpino
2. John Ray
3. Tournefort
4. Rivinus

D

Q.80: Which is not the function of mitosis?

1. Development and growth
2. Cell replacement and regeneration
3. Asexual reproduction
4. Sexual reproduction

D

Q.81: Type of spindle fibre which attaches the chromosomes is called?

1. Kinetochore
2. Non Kinetochore
3. Bot a and b
4. Centromere

A

Q.82: Which of the following is unique to mitosis and not a part of meiosis?

1. Homologous chromosomes pair forming bivalents
2. Homologous chromosomes cross over
3. Chromosomes pairs are broken during anaphase
4. Chromatids separate during anaphase

D

Q.83: Cytokinesis in animals take place by?

1. Furrow
2. Phragmoplast
3. Telophase
4. None of these

A

Q.84: The phases of cell cycle are?

1. Interphase
2. Division phase
3. Both a and b
4. None

C

Q.85: Presence of third copy of homoglus chromosomes in the cell is called .......... ?

1. Monosomy
2. Disomy
3. Trisomy
4. Tetra somy

C

Q.86: Prior to cell division, each chromosome replicates or duplicates its genetic material. The products are connected by a centromere and are called?

1. Sister chromosomes
2. Homologous Chromosomes
3. Non-sister chromatids
4. Sister chromatids

A

Q.87: Which event distinguishes meiosis form mitosis?

1. Condensation of chromosomes
2. Loss of the nuclear membrane
3. Formation of metaphase plate
4. Pairing of homologous chromosomes

D

Q.88: Uncoiling of chromosomes take place during?

1. Anaphase
2. Telophase
3. Anaphase
4. Metaphase

B