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

Find here the NCERT chapter-wise Multiple Choice Questions from Class 11 Biology Book Chapter 10 Cell Cycle and Cell Division with Answers Pdf free download. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Cell Cycle and Cell Division. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

NCERT Chapters for Class 11 Biology

Q1. In mitosis, nuclear envelope and nucleolus disappear during

(i) Metaphase
(ii) Interphase
(iii) Prophase
(iv) Telophase

(iii) Prophase

Q2. In plants apical cells and the cambium tissue continue to divide all their life, they are called.

(i) Meristemic tissue
(ii) cambium tissue
(iii) equational division
(iv) syneytium

(i) Meristemic tissue.

Q3. Which one is not a significance of meiosis division?

(i) Formation of spores and gametes
(ii) New recombination of genes
(iii) Number of chromosome remain same
(iv) Number of chromosome reduced to half

(iii) Number of chromosome remain same

Q4. During cell division, sometimes there will be failure of separation of sister chromatids. This event is called

(i) non-disjunction
(ii) coincidence
(iii) complementation
(iv) interference

(i) non-disjunction

Q5. The centrioles, in animal cells, initiate their replication in the cytoplasm during.

(i) G1 phase
(ii) G2 phase
(iii) S phase
(iv) None of these phases.

(ii) G2 phase.

Q6. Karyokinesis is the term used for

(i) division of cytoplasm
(ii) division of nucleoplasm
(iii) division of nucleus
(iv) separation of daughter chromosomes

(iv) separation of daughter chromosomes

Q7. Cell division is initiated in plants by

(i) Cytokinin
(ii) Abscisic acid
(iii) Gibberellin
(iv) Auxin

(i) Cytokinin

Q8. Four daughter cells formed after meiosis are

(i) genetically different
(ii) multinucleate
(iii) genetically similar
(iv) anucleate

(i) genetically different

Q9. The S phase marks the period during which replication of DNA takes place. It is during this time that the content of DNA doubles, from

(i) 2C to 4C
(ii) 4C to 2C
(iii) (1n or 2n)
(iv) (2n or 1n)

(i) 2C to 4C.

Q10. 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:

(i) Prophase
(ii) Anaphase
(iii) Telophase
(iv) Metaphase

(iv) Metaphase

Q11. The mechanism of distributing centriole pairs to the daughter cells is called

(i) Equational division
(ii) Haplontic division
(iii) Astral division
(iv) Reductional division

(iii) Astral division

Q12. Chromosome duplication without nuclear division refers to

(i) mitosis
(ii) endomitosis
(iii) meiosis
(iv) androgenesis

(i) mitosis

Q13. Yeast cell can progress through all the four stages of the cell cycle in only about:

(i) 60 minutes
(ii) 90 minutes
(iii) 30 minutes
(iv) 45 minutes.

(ii) 90 minutes

Q14. Cell plate grows from

(i) walls to the centre
(ii) centre to the walls
(iii) in patches
(iv) simultaneously

(ii) centre to the walls

Q15. Spindle fibres attach on to

(i) Telomere of the chromosome
(ii) Kinetochore of the chromosome
(iii) Centromere of the chromosome
(iv) Kinetosome of the chromosome

(ii) Kinetochore of the chromosome

Q16. The stage between two meiotic divisions is called interkinesis and

(i) Is generally short lived and followed by prophase II
(ii) Involves duplication of genes and centrioles
(iii) Is followed by prophase I
(iv) Is long lived

(i) Is generally short lived and followed by prophase II

Q17. Life starts from a single cell in plants and animals called

(i) Cell
(ii) Zygote
(iii) Tissue
(iv) Growth

(ii) zygote

Q18. The major event that occurs during the anaphase of mitosis, which brings about the equal distribution of chromosomes, is

(i) splitting of the centromeres
(ii) splitting of the chromatids
(iii) replication of the genetic material
(iv) condensation of the chromatin

(i) splitting of the centromeres

Q19. In meiosis crossing over is initiated at

(i) Pachytene
(ii) Leptotene
(iii) Zygotene
(iv) Diplotene

(i) Pachytene

Q20. Which one of the following events is incorrect for cell cycle?

(i) All events are under genetic control
(ii) Maximum cell growth occurs in M-phase
(iii) DNA synthesis occurs only during one specific
(iv) Centriole duplication occurs in S-phase

(i) All events are under genetic control

Q21. In some organisms karyokinesis is not followed by cytokinesis as a result of which multinucleate condition arises which is called:

(i) Syncytium
(ii) Meiosis I
(iii) Cell-plate
(iv) Meiosis II

(i) Syncytium.

Q22. Meiosis occurs for the human female in

(i) Pancreas
(ii) Liver
(iii) Ovary
(iv) Kidney

(iii) Ovary

Q23. Chromosome appeared beaded during

(i) Diplotene
(ii) Leptotene
(iii) Diakinesis
(iv) Panchytene

(ii) Leptotene

Q24. Lampbrush chromosomes are seen in which typical stage?

(i) Meiotic prophase
(ii) Mitotic prophase
(iii) Mitotic anaphase
(iv) Mitotic metaphase

(i) Meiotic prophase

Q25. In Meiosis, the chromatids separate during

(i) Metaphase I
(ii) Anaphase I
(iii) Anaphase II
(iv) Metaphase II

(iii) Anaphase II.

Q26. How many chromosomes are there in onion root tip cell?

(i) 06
(ii) 16
(iii) 26
(iv) 36

(ii) 16

Q27. Astral body are formed of

(i) Microtubules
(ii) Intermediate filaments
(iii) Microfilaments
(iv) Microvilli

(i) Microtubules

Q28. Which of the following is true of kineto-chores?

(i) They are organized so that there is one per sister chromatid in meiosis
(ii) They are localized at the centromere of each chromosome
(iii) They are the sites where microtubules attach to separate the chromosomes.
(iv) They are organized so that there is one per sister chromatid in meiosis
(iv) All of the above

(iv) All of the above

Q29. The term meiosis was coined by

(i) Blackman
(ii) Flemming
(iii) Robertson
(iv) Former and Moore.

(iv) Former and Moore.

Q30. Which of the following cellular structures always disappears during mitosis and meiosis?

(i) Plasma membrane
(ii) Nucleolus and nuclear envelope
(iii) Plastids
(iv) none of these

(ii) Nucleolus and nuclear envelope

Q31. Which of the following statements is not true for cancer cells in relation to mutations?

(i) Mutations in proto-oncogenes accelerate the cell cycle.
(ii) Mutations destroy telomerase inhibitor.
(iii) Mutations inactive the cell control.
(iv) Mutations inhibit production of telomerase.

(iv) Mutations inhibit production of telomerase.

Q32. Hammerling’s experiments of Acetabularia involved exchanging

(i) cytoplasm
(ii) nucleus
(iii) rhizoid and stalk
(iv) gametes

(ii) nucleus

Q33. In which stage the chromosomes appear as thin long thread?

(i) Leptotene
(ii) Zygotene
(iii) Prophase
(iv) Pachytene.

(i) Leptotene.

Q34. Centromere is a constituent of

(i) Ribosome
(ii) ER
(iii) Chromosome
(iv) Mitochondrion

(iii) Chromosome

Q35. The number of chromosome and the amount of DNA are changed in

(i) Metaphase and M phase
(ii) Anaphase and S phase
(iii) Interphase and S phase
(iv) None of these

(ii) Anaphase and S phase

Q36. Balbiani rings (puffs) are sites of

(i) DNA replication
(ii) RNA and protein synthesis
(iii) synthesis of polysaccharides
(iv) synthesis of lipids

(ii) RNA and protein synthesis

Q37. In between two walls of adjacent cells are seen

(i) Cell wall
(ii) Cytoplasm
(iii) Middle lamellae
(iv) Plasma membrane

(iii) Middle lamellae

Q38. Crossing over in diploid organism is responsible for

(i) dominance of genes
(ii) linkage between genes
(iii) segregation of alleles
(iv) recombination of linked alleles

(iv) recombination of linked alleles

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