This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 8 Cell The Unit Of Life – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which cell organelle is known as 'Power House Of the Cell? A) Chloroplast. B) Golgi bodies. C) Vacuoles. D) Mitochondria. Show Answer Correct Answer: D) Mitochondria. 2. Cell theory explains that: A) *a. Every organism consist of small units 'cell'. B) *b. New cells form from pre-existing cells. C) *c. Cells are independent from each other. D) *d. None. Show Answer Correct Answer: A) *a. Every organism consist of small units 'cell'. 3. Which is not the function of cell wall? A) Only III. B) Only IV. C) Only II, III, and IV. D) None of the above. Show Answer Correct Answer: A) Only III. 4. Select the right option which relates to Schwann regarding the following statement-I. He reported that cells have a thin outer layer which is today known as plasma membraneII. Cell wall is a unique character of the plant cellIII. Body of plants and animals are composed of cells and products of cells A) All are correct. B) Only III is correct. C) II and III are correct. D) All are incorrect. Show Answer Correct Answer: A) All are correct. 5. A single human cell has approximately ..... long thread of DNA distributed among its ..... chromosomes: A) 2 cm, 46. B) 2 cm, 23. C) 2 metre, 23. D) 2 metre, 46. Show Answer Correct Answer: D) 2 metre, 46. 6. Which plastid stores starch? A) Amyloplast. B) Chloroplast. C) Elaioplast. D) Chromoplast. Show Answer Correct Answer: A) Amyloplast. 7. A rod shaped bacterium A) Bacillus. B) Cocci. C) Spirillum. D) None of the above. Show Answer Correct Answer: A) Bacillus. 8. Packing of substance for export from cell occurs in the A) Nucleolus. B) Golgi bodies. C) SER. D) Lysosomes. Show Answer Correct Answer: B) Golgi bodies. 9. The ability of cells to maintain a constant internal state is called ..... A) Homeostasis. B) Evolution. C) Stimulus. D) Adaptation. Show Answer Correct Answer: A) Homeostasis. 10. Amyloplasts elaioplasts and aleuroplasts belong to ..... category of plastids A) Chloroplasts. B) Chromoplasts. C) Leucoplasts. D) All of these. Show Answer Correct Answer: C) Leucoplasts. 11. Ribosomes was first observed under the electron microscope as dense particles by A) George Palade. B) Camillo golgi. C) Robert May. D) Anton von Leeuwenhoek. Show Answer Correct Answer: A) George Palade. 12. Ribosomes of prokaryotic cells are A) 60s and 40s. B) 70s and 30s. C) 50s and 30 s. D) None. Show Answer Correct Answer: C) 50s and 30 s. 13. Ribosomes shows the presence of two subunitsLarge subunit= 50SSmall subunit= 30SHence the Sedimentation rate for Ribosome as a whole is ..... A) 50S. B) 70S. C) 60S. D) 80S. Show Answer Correct Answer: B) 70S. 14. It is responsible for the beginning of the life of organisms A) Embryonic layer. B) Zygote. C) Tissue. D) Cell. Show Answer Correct Answer: B) Zygote. 15. Plant cell may be without A) Plastids. B) Vacuoles. C) Centrioles. D) Cell wall. Show Answer Correct Answer: C) Centrioles. 16. In a bacterial cell, the respiratory enzymes are found in: A) Nucleoid. B) Mitochondria. C) Centrosome. D) Mesosome. Show Answer Correct Answer: D) Mesosome. 17. The components of the cells forming endomembrane system is /are A) Endoplasmic reticulum. B) Golgi complex. C) Lysosomes and vacuoles. D) All of these. Show Answer Correct Answer: D) All of these. 18. In growths of the plasma membrane of a bacterium are called A) Polysome. B) Ribosome. C) Mesosome. D) None of the above. Show Answer Correct Answer: C) Mesosome. 19. Consider the following statements & select the correct option-I) food vacuoles in amoeba helps in osmoregulationII) vacuoles are bound by a single membrane called tonoplastIII) contractile vacuole id formed by engulfment of food particles A) II & III. B) Only II. C) I & III. D) I & II. Show Answer Correct Answer: B) Only II. 20. Which of the following statements regarding cilia is not correct? A) ATP is not required for ciliary movements. B) Cilia contain an outer ring of nine doublet microtubules surrounding two singlet microtubules. C) Microtubules of cilia are composed of tubulin. D) Cilia are hair-like cellular appendages. Show Answer Correct Answer: A) ATP is not required for ciliary movements. 21. Which of the following structures is found only in plant cells? A) Plasma membrane. B) Mitochondria. C) Glyoxysome. D) Peroxisome. Show Answer Correct Answer: C) Glyoxysome. 22. Omnis cellula-e cellula term coined by A) Rudolf virchow. B) Schleiden. C) Schwann. D) Jagdish chander boss. Show Answer Correct Answer: A) Rudolf virchow. 23. The cristae in mitochondria bear A) Elementary particles. B) F0-F1 particles. C) Oxysomes. D) All of these. Show Answer Correct Answer: D) All of these. 24. Which of the following pairs of organelle does not contain DNA? A) Nuclear envelope and Mitochondria. B) Mitochondria and Lysosome. C) Chloroplast and vacuole. D) Lysosome and vacuole. Show Answer Correct Answer: D) Lysosome and vacuole. 25. Major component of plant cell wall is: A) Starch. B) Chitin. C) Glycogen. D) Cellulose. Show Answer Correct Answer: D) Cellulose. 26. Organization of a cell has not been achieved in- A) Bacteria. B) Amoeba. C) Bacteriophage. D) Diatom. Show Answer Correct Answer: C) Bacteriophage. 27. Match the following:(a) Chromoplasts. (i) Proteins(ii)(b) Amyloplasts. (ii) Starch(c) Elaioplasts. (iii) Oil and fats(d) Aleuroplasts. (iv) Carotene A) A-(i), b-(iv), c-(ii), d-(iii). B) A-(iv), b-(iii), c-(ii), d-(i). C) A-(iv), b-(ii), c-(iii), d-(i). D) A-(ii), b-(iv), c-(iii), d-(i). Show Answer Correct Answer: C) A-(iv), b-(ii), c-(iii), d-(i). 28. What is true about ribosomes? A) The prokaryotic ribosomes are 80S, where 'S' stands for sedimentation coefficient. B) These are composed of ribonucleic acid and proteins. C) These are found only in eurkaryotic cells. D) These are self-splicing introns of some RNAs. Show Answer Correct Answer: B) These are composed of ribonucleic acid and proteins. 29. Pars amorpha is associated with ..... A) Nucleus. B) Chloroplast. C) Nucleolus. D) Mitochondria. Show Answer Correct Answer: C) Nucleolus. 30. The brain or control center of the cell is called the ..... A) Cytoplasm. B) Centromere. C) Mitochondria. D) Nucleus. Show Answer Correct Answer: D) Nucleus. 31. In eubacteria, a cellular component which resembles a eukaryotic cell is A) Ribosomes. B) Plasma membrane. C) Nucleus. D) Cell wall. Show Answer Correct Answer: B) Plasma membrane. 32. ..... are self-replicating, extra chromosomal segments of double stranded circular and naked DNA, present in a bacterial cell. A) Bacteriophages. B) Nucleoid. C) Plasmids. D) Mesosomes. Show Answer Correct Answer: C) Plasmids. 33. Antibiotic resistance property is inferred upon due to and extrachromosomal body called as ..... A) Plasma Membrane. B) Ribosomes. C) Plasmids. D) Nucleus. Show Answer Correct Answer: C) Plasmids. 34. Which of the following is correct about vacoule A) Vacuole contain water sap, excretory product and other material not useful for the cell. B) In plant cell the vacuole can occupy up to 90 per cent of the volume of the cell. C) The vacuole is bounded by tonoplast. D) All of these. Show Answer Correct Answer: D) All of these. 35. Select the unicellular organism which possesses cilia A) Amoeba. B) Yeast. C) Opalina. D) Paramoecium. Show Answer Correct Answer: D) Paramoecium. 36. Which one of the following is not a constituent of the cell membrane? A) Phospholipids. B) Proline. C) Glycolipids. D) Cholesterol. Show Answer Correct Answer: B) Proline. 37. Which of the following statements regarding sphaerosomes is not correct? A) Abundant in the endosperm cells of oil seeds. B) Bounded by a single membrane. C) Take part on synthesis and storage of lipids. D) Take part in photorespiration. Show Answer Correct Answer: D) Take part in photorespiration. 38. Mitochondria are the sites of ..... A) Aerobic respiration. B) Cell lysis. C) Fermentation. D) Hydrolytic enzyme production. Show Answer Correct Answer: A) Aerobic respiration. 39. Select the correct matching:Column I Column II(Type of leucoplast) (Stored food)A. Amyloplast 1. Oil and fatB. Elaioplast 2. ProteinC. Aleuroplasts 3. Carbohydrate A) A-1, B-2, C-3. B) A-3, B-2, C-1. C) A-3, B-1, C-2. D) A-2, B-3, C-1. Show Answer Correct Answer: C) A-3, B-1, C-2. 40. Who proposed a modification in the cell theory? A) Schleiden and Schwann. B) Rudolf Virchow. C) Robert Hooke. D) Marcello Malpighi. Show Answer Correct Answer: B) Rudolf Virchow. 41. Bacteria are examples of A) Prokaryotic cells. B) Eukaryotic cells. C) All the above. D) None of the above. Show Answer Correct Answer: A) Prokaryotic cells. 42. Chlorophyll in chloroplasts is located in: A) Grana. B) Pyrenoid. C) Stroma. D) Both grana and stroma. Show Answer Correct Answer: A) Grana. 43. Select the incorrect statement regarding the plasma membrane. A) Ratio of proteins and lipids varies considerably in different cell types. B) 52% proteins and 40% lipids constitute the membrane of human RBC. C) Arrangement of proteins (P) and Lipids (L) is L-P-P-L. D) Head of lipid is hydrophilic. Show Answer Correct Answer: C) Arrangement of proteins (P) and Lipids (L) is L-P-P-L. 44. Select the correct matching in the following pairs. A) Rough ER-Synthesis of glycogen. B) Smooth ER-Synthesis of lipids. C) Rough ER-Oxidation of fatty acids. D) Smooth ER-Oxidation of phospholipids. Show Answer Correct Answer: B) Smooth ER-Synthesis of lipids. 45. Which one of the following is not an inclusion body found in prokaryotes A) Polysome. B) Cyanophycean granule. C) Glycogen granule. D) Phosphate granule. Show Answer Correct Answer: A) Polysome. 46. In which of the following parts of mitochondria succinic dehydrogenase enzyme is located? A) Inner membrane. B) Peri mitochondrial space. C) Matrix. D) Outer membrane. Show Answer Correct Answer: A) Inner membrane. 47. Which structure performs mitochondrial function in prokaryotes? A) Ribosome. B) Plasma membrane. C) Nucleoid. D) Mesosome. Show Answer Correct Answer: D) Mesosome. 48. What are unicellular organisms? A) Having single cell. B) Having two cells. C) Having 3 cells. D) None of the above. Show Answer Correct Answer: A) Having single cell. 49. The border of cell that allow some substance to enter is known as A) Vacuole. B) Cytoplasm. C) Chloroplasts. D) Cellmembrane. Show Answer Correct Answer: D) Cellmembrane. 50. Identify the statement not true for a eukaryotic cell? A) Presence of 80S ribosome in mitochondria. B) Presence of 80S ribosome in cytoplasm. C) Presence of single stranded circular DNA in mitochondria. D) Both 1 & 3. Show Answer Correct Answer: D) Both 1 & 3. 51. Match item for Leeuwenhoek:Select the statement that correctly associates with Leeuwenhoek. A) First saw and described living cell. B) Presence of cell wall is unique to plant cells. C) Discovered the nucleus. D) All plants are composed of different kinds of cell. Show Answer Correct Answer: A) First saw and described living cell. 52. Choose the incorrectly matched- A) Centriole-composed of tubulin. B) Centrosome-Microtubule organizingcentres. C) Centrioles-present in all animal cells. D) Centrioles-cylindrical structure that lie parallel to each other in cytoplasm. Show Answer Correct Answer: D) Centrioles-cylindrical structure that lie parallel to each other in cytoplasm. 53. Which of these organelles have specific functions related to their specific function? A) Mitochondria. B) Chloroplast. C) Both of the above. D) Only mitochondria. Show Answer Correct Answer: C) Both of the above. 54. A major site for synthesis of lipids is A) Symplast. B) Nucleoplasm. C) RER. D) SER. Show Answer Correct Answer: D) SER. 55. Organisms grow by ..... A) Increasing the size of each cell in the body. B) Forming organs out of cells that clump together. C) Changing the function of each cell as needed. D) Increasing the number of cells in the body. Show Answer Correct Answer: D) Increasing the number of cells in the body. 56. Assertion:Leucoplasts perform photosynthesis. Reason:Chloroplasts store fats, starch and protein A) B. B) D. C) A. D) C. Show Answer Correct Answer: B) D. 57. Mark the incorrect match: A) Non-polar molecules-Facilitated diffusion. B) Water-Osmosis. C) ATP utilized-Active transport. D) Neutral solutes-Simple diffusion. Show Answer Correct Answer: A) Non-polar molecules-Facilitated diffusion. 58. ..... serves as food producer for the plant cell. A) Cytoplasm. B) Nucleus. C) Chloroplast. D) Cell membrane. Show Answer Correct Answer: C) Chloroplast. 59. Selective permeability occurs in: A) Cell wall. B) Plasma membrane. C) Cytoplasm. D) None of these. Show Answer Correct Answer: B) Plasma membrane. 60. The main function of lysosomes is in: A) Only intracellular digestion. B) Only Extracellular digestion. C) Both intracellular and extracellular digestion. D) None of these. Show Answer Correct Answer: C) Both intracellular and extracellular digestion. ← PreviousNext →Related QuizzesScience QuizzesClass 11 QuizzesClass 11 Biology Chapter 8 Cell The Unit Of Life Quiz 1Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 3Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 4Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 5Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 6Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 7Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 8Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books