This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 8 Cell The Unit Of Life – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In order to find out quickly whether the cells are living, one must observe: A) Cell sap. B) Tonoplast. C) Movement of cytoplasm. D) Starch granules. Show Answer Correct Answer: C) Movement of cytoplasm. 2. The "marker" enzyme of lysosome is ..... A) Lysozyme (muramidase). B) Acid protease. C) Acid phosphatase. D) Beta-galactosidase. Show Answer Correct Answer: C) Acid phosphatase. 3. In each cheek cell, there is a dense membrane bound structure which contains chromosome.This structure is A) Endoplasmic reticulum. B) Golgi body. C) Nucleus. D) Mitochondria. Show Answer Correct Answer: C) Nucleus. 4. Nuclear membrane is: A) Single layered. B) Double layered. C) Without pores. D) Continuous with cell wall. Show Answer Correct Answer: B) Double layered. 5. X is structure found in prokaryotes that is concerned with storage of reserve food materials like cyanophycean granules. X could be A) Gas vacuole. B) Plasmid. C) Inclusion body. D) Mesosome. Show Answer Correct Answer: C) Inclusion body. 6. Fluid mosaic model of plasma membrane was proposed by: A) Danielli and Davson. B) Robertson. C) Singer and Nicolson. D) Watson and Crick. Show Answer Correct Answer: C) Singer and Nicolson. 7. Which of the following are not membrane-bound? A) Mesosomes. B) Ribosomes. C) Vacuoles. D) Lysosomes. Show Answer Correct Answer: B) Ribosomes. 8. The desmotubule present in the plasmodesmatal connections of plant cells is the modification of A) Golgi. B) Nucleus. C) ER. D) Lysosomes. Show Answer Correct Answer: C) ER. 9. Cell organelle which divides the intracellular space into luminal and extra luminal compartments and has rough surface is frequently observed in the cells actively involved in- A) Protein synthesis. B) Lipid synthesis. C) Carbohydrate synthesis. D) R-RNA synthesis. Show Answer Correct Answer: A) Protein synthesis. 10. Ribosome is composed of: A) DNA and protein. B) RNA and lipid. C) RRNA and protein. D) DNA and RNA. Show Answer Correct Answer: C) RRNA and protein. 11. Protein synthesis in an animal cell occurs A) On nucleolus and cytoplasm. B) On nucleolus and cytoplasm. C) Only on ribosomes attached to ER. D) Only on free cytoplasmic ribosomes. Show Answer Correct Answer: A) On nucleolus and cytoplasm. 12. Gas vacuole can be found in the members of kingdom A) Protista. B) Animalia. C) Plantae. D) Monera. Show Answer Correct Answer: D) Monera. 13. Active transport requires: A) Diffusion. B) ATP. C) Osmosis. D) Carrier proteins only. Show Answer Correct Answer: B) ATP. 14. Microfilaments are composed mainly of a protein called A) Lamins. B) Contractile protein actin. C) Non-contractile protein actin. D) Tubulin. Show Answer Correct Answer: B) Contractile protein actin. 15. Which of the following statements is incorrect for Centrioles? A) Both the centrioles in a centrosome lie perpendicular to each other. B) Central proteinaceous hub is missing in a centriole. C) Each centriole has an organisation like that of a cartwheel. D) Centrosome usually contains 2 cylindrical centrioles. Show Answer Correct Answer: B) Central proteinaceous hub is missing in a centriole. 16. Select the right option which relates to Schwann regarding the following statementI. He reported that cell 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. 17. Ribonucleic acid occurs in: A) Nucleus only. B) Cytoplasm only. C) Nucleus and cytoplasm. D) Mitochondria and lysosome. Show Answer Correct Answer: C) Nucleus and cytoplasm. 18. Longest portion of bacterial flagella is A) Hook. B) Basal body. C) Filament. D) None of these. Show Answer Correct Answer: C) Filament. 19. The shorter and longer arms of sub-metacentric chromosome are: A) P-arm and q-arm. B) Q-arm and p-arm. C) S-arm and l-arm. D) M-arm and n-arm. Show Answer Correct Answer: A) P-arm and q-arm. 20. ..... increases the surface area for mitochondrial activity. A) Inner membrane. B) Inter membrane space. C) Matrix. D) Cristae. Show Answer Correct Answer: D) Cristae. 21. In eubacteria, a cellular component that resembles eukaryotic cells is A) Nucleus. B) Ribosomes. C) Cell wall. D) Plasma membrane. Show Answer Correct Answer: D) Plasma membrane. 22. Which part of the bacteria contains Peptidoglycan? A) Lipoproteins. B) Cell wall. C) Cell membrane. D) Porin channel. Show Answer Correct Answer: B) Cell wall. 23. Reserve material in prokaryotic cells are stored in the cytoplasm in the form of A) Microbodies. B) Inclusion bodies. C) Granules. D) Oil droplets. Show Answer Correct Answer: B) Inclusion bodies. 24. Assertion:Mitochondria and chloroplasts are semi-autonomous organelles.Reason:Mitochondria and chloroplast are devoid of ribosomes. A) If both the assertion and the reason are true and the reason is a correct explanation of theassertion. B) If both the assertion and reason are true but the reason is not a correct explanation of theassertion. C) If the assertion is true but the reason is false. D) If both the assertion and reason are false. Show Answer Correct Answer: C) If the assertion is true but the reason is false. 25. Which one is the mis-matched pair? A) Largest isolated single cell-Egg of an ostrich. B) Golgi apparatus-Discovered by Altman. C) Mitochondria-Name was given by Benda. D) Lysosomes-Discovered by de Duve. Show Answer Correct Answer: B) Golgi apparatus-Discovered by Altman. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 8 Cell The Unit Of Life Quiz 1Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 2Class 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 9Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books