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Cell Biology Questions

Practice 131 Cell Biology questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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72
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55
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4
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Practice by Exam:Biology(120)BIOLOGY(4)General Awareness(3)General Science(2)Science(1)General Knowledge and General Awareness(1)

About Cell Biology — practice questions, PYQs & concepts

Cell Biology is a frequently-tested topic on Biology, BIOLOGY, General Awareness. ExamTest.live currently lists 131 Cell Biology questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Cell Biology weight in competitive exams

Across our Cell Biology question bank, the largest sources are Biology (120), BIOLOGY (4), General Awareness (3), General Science (2) and Science (1). Click any exam chip above to drill down to that exam-specific question set.

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All Cell Biology Questions(1–100 of 131)

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Q1mediummcqGeneral AwarenessSSC Exam2026
0% accuracy
Which of the following is NOT correctly matched?
Q2mediummcqGeneral AwarenessSSC Exam2026
0% accuracy
Identify the INCORRECT pair of cell shape types and their examples.
Q3mediummcqBiologySSC CGL2026
50% accuracy
Which of the following was discovered by GN Ramachandran?
Q4mediummcqGeneral AwarenessCompetitive Exam2026
50% accuracy
______ is associated with the production and metabolism of fats and steroid hormones.
Q5mediummcqBiologyNEET 20192026
0% accuracy
Which of the following statements regarding mitochondria is incorrect?
Q6mediummcqBiologyNEET 20192026
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Cells in G
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phase:
Q7mediummcqGeneral Knowledge and General AwarenessSSC CPO 20242026
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What are the thin filamentous extensions found in the cell wall of motile bacterial cells called?
Q8easymcqBiologyNEET 20192026
0% accuracy
The concept of “Omnis cellula-e cellula” regarding cell division was first proposed by:
Q9easymcqBiologyNEET 20192026
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Which of the following pair of organelles does not contain DNA?
Q10easymcqBiologyNEET 20192026
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The correct sequence of phases of cell cycle is:
Q11easymcqBiologyNEET 20192026
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The shorter and longer arms of submetacentric chromosome are referred to as:
Q12mediummcqBiologyNEET (UG) 20182026
Which of the following events does not occur in rough endoplasmic reticulum?
Q13hardmcqBiologyNEET 20172026
Anaphase promoting complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur?
Q14mediummcqBiologyIndian Competitive Exams2026
The cell wall of spirogyra contains:
Q15easymcqBiologyNEET 20172026
Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
Q16easymcqBiologyNEET 20222026
Match List - I with List - II regarding chromosome types:
| List - I | List - II |
| :--- | :--- |
| (a) Metacentric | (i) Centromere situated close to the end forming one extremely short and one long arms |
| (b) Acrocentric | (ii) Centromere at the terminal end |
| (c) Sub-metacentric | (iii) Centromere in the middle forming two equal arms |
| (d) Telocentric | (iv) Centromere slightly away from the middle forming one shorter and one longer arm |
Q17easymcqBiologyNEET 20172026
Which of the following components provides sticky character to the bacterial cell?
Q18easymcqBiologyNEET (UG) 20182026
The Golgi complex participates in:
Q19easymcqBiologyNEET (UG) 20182026
Many ribosomes may associate with a single to form multiple copies of a polypeptide simultaneously. Such strings of ribosomes are termed as:
Q20mediummcqBiologyNEET 20212026
Which of the following is an incorrect statement?
Q21easymcqBiologyNEET 20212026
Which of the following stages of meiosis involves division of centromere?
Q22mediummcqBIOLOGYNEET 20192026
Which of the following cell organelles is present in the highest number in secretory cells?
Q23easymcqBiologyNEET 20232026
Malonate inhibits the growth of pathogenic bacteria by inhibiting the activity of:
Q24easymcqBIOLOGYNEET 20192026
Non-membranous nucleoplasmic structures in the nucleus, are the sites for active synthesis of:
Q25mediummcqBiologyGeneral Studies Mock Test2026
Which chromosome is involved in the production of 'masked' mRNAs for early development?
Q26easymcqBiologyNEET 20212026
When the centromere is situated in the middle of two equal arms of chromosomes, the chromosome is referred as:
Q27easymcqBiologyNEET 20212026
The centriole undergoes duplication during:
Q28mediummcqBiologyNEET 20172026
Which of the following options gives the correct sequence of events during mitosis?
Q29easymcqBiologyNEET (UG) 20182026
Which of the following is true for nucleolus?
Q30mediummcqBiologyNEET (UG) 20182026
Which among the following is not a prokaryote?
Q31mediummcqGeneral ScienceGeneral Knowledge Competitive Exams2026
Which of the following cell organelles is involved in apoptosis?
Q32mediummcqBiologyCompetitive Exams2026
What are ribosomes made up of?
Q33easymcqBiologyNEET 20232026
Which of the following functions is carried out by cytoskeleton in a cell?
Q34mediummcqBiologyNEET 20232026
Which of the following are not considered as the part of endomembrane system?A. MitochondriaB. Endoplasmic ReticulumC. ChloroplastsD. Golgi complexE. PeroxisomesChoose the most appropriate answer from the options given below:
Q35mediummcqScienceCompetitive Exam2026
Which of the following is known as the Powerhouse of the cell?
Q36easymcqBiologyNEET 20232026
Given below are two statements:Statement I: Low temperature preserves the enzyme in a temporarily inactive state whereas high temperature destroys enzymatic activity because proteins are denatured by heat.Statement II: When the inhibitor closely resembles the substrate in its molecular structure and inhibits the activity of the enzyme, it is known as competitive inhibitor.In the light of the above statements, choose the correct answer:
Q37hardmcqBiologyNEET (UG) 20182026
Select the incorrect match:
Q38easymcqBIOLOGYNEET 20192026
Match column I with column II:Column I: (a) Golgi apparatus, (b) Lysosomes, (c) Vacuoles, (d) RibosomesColumn II: (i) Synthesis of protein, (ii) Trap waste and excretory products, (iii) Formation of glycoproteins and glycolipids, (iv) Digesting biomolecules
Q39mediummcqBiologyIndian Polity & History Quiz2026
In the context of movement of cells, exocytosis is the process by which:
Q40mediummcqBIOLOGYNEET 20192026
Which of the following nucleic acids is present in an organism having 70 S ribosomes only?
Q41easymcqBiologyNEET 20222026
The appearance of recombination nodules on homologous chromosomes during meiosis characterizes:
Q42easymcqBiologyNEET 20232026
The process of appearance of recombination nodules occurs at which substage of prophase I in meiosis?
Q43mediummcqBiologyNEET 20212026
Match List-I with List-II:
image
Q44mediummcqBiologyNEET 20212026
Match List-I with List-II:
image
Q45easymcqGeneral ScienceStaff Selection Commission2026
A plant cell wall is mainly composed of:
Q46easymcqBiologyNEET 20232026
Which of the following stages of meiosis involves division of centromere?
Q47easymcqBiologyNEET 20222026
Which of the following statements with respect to Endoplasmic Reticulum is incorrect?
Q48easymcqBiologyNEET 20232026
Given are two statements:Statement I: During phase of cell cycle, the cell is metabolically inactive.Statement II: The centrosome undergoes duplication during S phase of interphase.In the light of the above statements, choose the correct answer:
Q49easymcqBiologyNEET 20232026
Select the correct statements:A. Tetrad formation is seen during Leptotene.B. During Anaphase, the centromeres split and chromatids separate.C. Terminalization takes place during Pachytene.D. Nucleolus, Golgi complex and ER are reformed during Telophase.E. Crossing over takes place between sister chromatids of homologous chromosome.Choose the correct answer:
Q50easymcqBiologyNEET 20222026
Which one of the following never occurs during mitotic cell division?
Q51easymcqBiologyNEET 20232026
Among eukaryotes, replication of DNA takes place in:
Q52mediummcqBiologyNEET 20232026
Match List I with List II regarding the cell cycle:| List I | List II || :--- | :--- || A. M Phase | I. Proteins are synthesized || B. G2 Phase | II. Inactive phase || C. G1 Phase | III. Interval between mitosis and initiation of DNA replication || D. Phase | IV. Equational division |
Q53easymcqBiologyNEET 20222026
Regarding Meiosis, which of the statement(s) is incorrect?
Q54easymcqBiologyNEET 20232026
How many different proteins does the ribosome consist of?
Q55mediummcqBiologyNEET 20212026
The fruit fly has 8 chromosomes (2n) in each cell. During interphase of Mitosis if the number of chromosomes at G
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phase is 8, what would be the number of chromosomes after S phase?
Q56easymcqBiologyNEET 20222026
Select the incorrect statement with reference to mitosis:
Q57easymcqBiologyNEET 20212026
Which stage of meiotic prophase shows terminalisation of chiasmata as its distinctive feature?
Q58easymcqBiologyNEET 20212026
The organelles that are included in the endomembrane system are:
Q59mediummcqBiologyBiology
0% accuracy
The main organelle involved in modification and routing of newly synthesized proteins to their destinations is:
Q60easymcqBiologyBiology
0% accuracy
At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell?
Q61mediummcqBiologyBiology
0% accuracy
Protein synthesis in an animal cell occurs:
Q62mediummcqBiologyBiology
0% accuracy
Important site for formation of glycoproteins and glycolipids is:
Q63mediummcqBiologyBiology
0% accuracy
Peptide synthesis inside a cell takes place in:
Q64mediummcqBiologyBiology
0% accuracy
In eubacteria, a cellular component that resembles eukaryotic cell is:
Q65mediummcqBiologyBiology
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Which one of the following organisms is not an example of eukaryotic cells?
Q66easymcqBiologyBiology
The enzyme recombinase is required at which stage of meiosis?
Q67easymcqBiologyBiology
The main arena of various types of activities of a cell is:
Q68easymcqBiologyBiology
Which of the following structures is not found in prokaryotic cells?
Q69easymcqBiologyBiology
Which of the following are not membrane-bound?
Q70mediummcqBiologyBiology
Select the wrong statement from the following:
Q71easymcqBiologyBiology
Membrane-bound organelles are absent in:
Q72easymcqBiologyBiology
Cellular organelles with membranes are:
Q73mediummcqBiologyBiology
Match the columns and identify the correct option:(a) Thylakoids — (i) Disc-Shaped sacs in Golgi apparatus(b) Cristae — (ii) Condensed structure of DNA(c) Cisternae — (iii) Flat membranous sacs in stroma(d) Chromatin — (iv) Infoldings in mitochondria
Q74mediummcqBiologyBiology
In mitochondria, protons accumulate in the:
Q75mediummcqBiologyBiology
Select the mismatch.
Q76mediummcqBiologyBiology
Select the wrong statement.
Q77mediummcqBiologyBiology
When synapsis is complete all along the chromosome, the cell is said to have entered a stage called:
Q78mediummcqBiologyBiology
All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is:
Q79mediummcqBiologyBiology
Which one of the following is not considered as a part of the endomembrane system?
Q80easymcqBiologyBiology
A cell organelle containing hydrolytic enzymes is:
Q81hardmcqBiologyBiology
When cell has stalled DNA replication fork, which checkpoint should be predominantly activated?
Q82mediummcqBiologyBiology
The overall goal of glycolysis, Krebs cycle and the electron transport system is the formation of:
Q83mediummcqBiologyBiology
The figure below shows the structure of a mitochondrion. Select the part correctly matched with its function.
image
Q84mediummcqBiologyBiology
Match the stages of meiosis in Column-I to their characteristic features in Column-II:Column-I: (a) Pachytene, (b) Metaphase I, (c) Diakinesis, (d) ZygoteneColumn-II: (i) Pairing of homologous chromosomes, (ii) Terminalization of chiasmata, (iii) Crossing-over takes place, (iv) Chromosomes align at equatorial plate
Q85easymcqBiologyBiology
Many cells function properly and divide mitotically even though they do not have:
Q86easymcqBiologyBiology
The vacuole in a plant cell:
Q87easymcqBiologyBiology
A polysome is formed by:
Q88easymcqBiologyBiology
Ribosomal RNA (rRNA) is actively synthesized in:
Q89mediummcqBiologyBiology
Which one of the following does NOT differ in E. coli and Chlamydomonas?
Q90hardmcqBiologyBiology
Three of the following statements regarding cell organelles are correct while one is wrong. Which one is wrong?
Q91mediummcqBiologyBiology
Regarding the 'fluid mosaic model', which movement is correct for lipids and proteins?
Q92mediummcqBiologyBiology
Given below is the representation of a certain event at a particular stage of a type of cell division. Which stage is this?
image
Q93easymcqBiologyBiology
What is true about ribosomes?
Q94easymcqBiologyBiology
The two subunits of a ribosome remain united at a critical level of:
Q95easymcqBiologyBiology
Select the correct statement from the following regarding cell membrane:
Q96easymcqBiologyBiology
Centromere is required for :
Q97easymcqBiologyBiology
Nuclear membrane is absent in:
Q98mediummcqBiologyBiology
In which one of the following would you expect to find glyoxysomes?
Q99easymcqBiologyBiology
The chemiosmotic coupling hypothesis proposes that ATP is formed because:
Q100easymcqBiologyBiology
During gamete formation, the enzyme recombinase participates during:
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