This quiz works best with JavaScript enabled. Home > Cbse > Class 9 > Science > The Fundamental Unit Of Life > Class 9 Science Chapter 5 The Fundamental Unit Of Life – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Chromosomes are made up of(a) DNA(b) protein(c) DNA and protein(d) RNA A) A. B) B. C) D. D) C. Show Answer Correct Answer: D) C. 2. The ..... packages and processes material before it exports out of the cell. A) Mitochondria. B) Vacuoles. C) Golgi apparatus. D) Nucleus. Show Answer Correct Answer: C) Golgi apparatus. 3. Which of the following is called store house of cell? A) Golgi body. B) Mitochondria. C) Endoplasmic reticulum. D) Cell wall. Show Answer Correct Answer: A) Golgi body. 4. The glycocalyx is ..... A) Glycoproteins and glycolipids. B) Oligosaccharide part of glycolipids and glycoproteins. C) Lipid and protein parts of glycolipids. D) Mucopolysaccharides attached to cell wall. Show Answer Correct Answer: B) Oligosaccharide part of glycolipids and glycoproteins. 5. Which of the following can be made into crystal? A) A bacterium. B) An Amoeba. C) A virus. D) A sperm. Show Answer Correct Answer: C) A virus. 6. Which scientist said all plants have cells? A) Hooke. B) Litter. C) Virchow. D) None of the above. Show Answer Correct Answer: B) Litter. 7. Which of the following organelle is present onion cells but not in human cheek cells? A) Cell wall. B) Cytoplasm. C) Nucleus. D) Plasma membrane. Show Answer Correct Answer: A) Cell wall. 8. What is the significance of the selectively permeable nature of the cell membrane? A) It regulates substance movement, maintaining homeostasis and protecting the cell. B) It solely provides structural support to the cell. C) It prevents any interaction between the cell and its environment. D) It allows all substances to pass freely into the cell. Show Answer Correct Answer: A) It regulates substance movement, maintaining homeostasis and protecting the cell. 9. First living cells were observed by A) R. Virchow. B) Robert Brown. C) A. V. Leeuwenhoek. D) Robert hooke. Show Answer Correct Answer: C) A. V. Leeuwenhoek. 10. Division of labour is present within a single cell. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. Which of the following organisms are prokaryotes? A) Fungi. B) Plants. C) Bacteria. D) Animals. Show Answer Correct Answer: C) Bacteria. 12. If there is a high concentration of water outside of a cell, where will the water want to go? A) On the outside of the cell. B) In to the cell. C) Away from the cell. D) None of the above. Show Answer Correct Answer: B) In to the cell. 13. Camillo Golgi discovered ..... A) Lysosomes. B) Golgi bodies. C) Vacuoles. D) Mitochondria. Show Answer Correct Answer: B) Golgi bodies. 14. Which scientist created the first microscope? A) Hooke. B) Lion corner. C) Litter. D) None of the above. Show Answer Correct Answer: A) Hooke. 15. ..... are the smallest units of life because they grow, reproduce, respond, and use energy. A) Atoms. B) Elements. C) Cells. D) All of the above. Show Answer Correct Answer: C) Cells. 16. Cell theory was proposed by A) Schleiden. B) Schwann. C) Both a and b. D) Rudolf virchow. Show Answer Correct Answer: C) Both a and b. 17. Potatoes contain A) Stroma. B) Chromoplast. C) Adhesive. D) Chloroplast. Show Answer Correct Answer: C) Adhesive. 18. Name one type of cell that is found in plants but not in animals. A) Ribosome. B) Chloroplast. C) Mitochondria. D) Nucleus. Show Answer Correct Answer: B) Chloroplast. 19. What is the function of vacuoles? A) Make protein. B) Store genetic information. C) Storage of salt, H$_{2}$O, food, and waste. D) Transports material outside the cell. Show Answer Correct Answer: C) Storage of salt, H$_{2}$O, food, and waste. 20. What does the cell theory state? A) Cells arise from pre-existing cells. B) Cells are the basic structural unit of all living organisms. C) All organisms are composed of one or more cells. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. The outermost layer of hum an cheek cells is A) Plasma membrane. B) Cytoplasm. C) Cell wall. D) Nuclear membrane. Show Answer Correct Answer: A) Plasma membrane. 22. These are examples of unicellular organisms ..... A) Amoeba Paramoecium. B) Chlamydomonas. C) Bacteria. D) All the above. Show Answer Correct Answer: D) All the above. 23. Cell wall is the outermost layer found in animal cells. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. In what type of cells would you expect to find many mitochondria? A) Skin cells. B) Muscle cells. C) Sperm cells. D) Nerve cells. Show Answer Correct Answer: B) Muscle cells. 25. Which of the following is an incorrect statement about Mitochondria? A) They have their own DNA and ribosomes. B) They produce the energy currency of the cell. C) The outer membrane is deeply folded. D) The outer membrane is very porous. Show Answer Correct Answer: C) The outer membrane is deeply folded. 26. Which organelle is involved in the formation of lysosomes? A) Golgi apparatus. B) Nucleolus. C) Endoplasmic Reticulum. D) Mitochondria. Show Answer Correct Answer: A) Golgi apparatus. 27. Vacuoles are found in ..... animal cells A) All. B) None. C) Some. D) Half of all. Show Answer Correct Answer: C) Some. 28. The part of the cell that contains the living substance of the cell, excluding the nucleus, is the ..... A) Nucleus. B) Cell membrane. C) Cytoplasm. D) Cell wall. Show Answer Correct Answer: C) Cytoplasm. 29. What are the two main types of cellular respiration? A) Cellular respiration and Metabolism. B) Aerobic respiration and Anaerobic respiration. C) Photosynthesis and Fermentation. D) Aerobic respiration and Photosynthesis. Show Answer Correct Answer: B) Aerobic respiration and Anaerobic respiration. 30. Which of the following is a true statement about vacuole? A) Animal cell vacuoles are larger than plant cell vacuoles. B) They provide turgidity and rigidity to plant cells. C) A food vacuole is absent in Amoeba. D) The central vacuole of plant cells may occupy about 5-9% of the cell's total volume. Show Answer Correct Answer: B) They provide turgidity and rigidity to plant cells. 31. Which of plastids act as a storage sheds for starches, lipids, and proteins depending on the needs of the plants? A) Lycoplast. B) Chloroplast. C) Chromoplast. D) Adhesive. Show Answer Correct Answer: D) Adhesive. 32. Where are the essential proteins and lipids required for cell membrane, manufactured? A) Endoplasmic reticulum. B) Chromosomes. C) Lysosome. D) Mitochondria. Show Answer Correct Answer: A) Endoplasmic reticulum. 33. Besides cellulose microfibrils, the other two cell wall networks are ..... A) Protein and hemicellulose. B) Hemicellulose and protein. C) Pectin and glycoprotein. D) Pectin and hemicellulose. Show Answer Correct Answer: C) Pectin and glycoprotein. 34. Which of the following cell organelle is called suicidal bag of cell? A) Mitochondria. B) Golgi body. C) Lysosome. D) Cytoplasm. Show Answer Correct Answer: C) Lysosome. 35. Name the process in which the ingestion of material by the cells is done through the plasma membrane? A) Egestion. B) Osmosis. C) Endocytosis. D) Diffusion. Show Answer Correct Answer: C) Endocytosis. 36. ..... discovered cells in 1665 A) Robert Brown. B) Robert Hooke. C) All the above. D) None of the above. Show Answer Correct Answer: B) Robert Hooke. 37. If there is 5 percent water inside a cell and 5 percent water outside a cell A) More water will move inside the cell. B) More water will move outside the cell. C) There will be no movement of water cells. D) None of the above. Show Answer Correct Answer: C) There will be no movement of water cells. 38. How many chromosomes are found in a human adult egg cell? A) 23 pairs. B) 46 pairs. C) 23. D) 46. Show Answer Correct Answer: C) 23. 39. Root hair absorbs water from soil through A) Osmosis. B) Endocytosis. C) Diffusion. D) Active transport. Show Answer Correct Answer: A) Osmosis. 40. Which cell organelles plays a crucial role in detoxification of drugs and poison A) GOLGI APPARATUS. B) VACUOLES. C) SMOOTH ENDOPLASMIC RETICULUM. D) LYSOSOMES. Show Answer Correct Answer: C) SMOOTH ENDOPLASMIC RETICULUM. 41. When a cell is ready to reproduce, it duplicates its contents, then divides into two similar (and sometimes exact duplicate) cells. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 42. Which cell organelle plays a crucial role in detoxifring many poisons and drugs in a cell? A) Vacuoles. B) Lysosomes. C) (c) Smooth endoplasmic reticulum. D) Golgi apparatus. Show Answer Correct Answer: C) (c) Smooth endoplasmic reticulum. 43. The undefined nuclear region of prokaryotes are known as ..... A) Nucleus. B) Nucleoid. C) Nucleic acid. D) Nucleolus. Show Answer Correct Answer: B) Nucleoid. 44. A group of the same type of cells that work together for a purpose are called- A) An organ system. B) An organ. C) An unicellular organism. D) A tissue. Show Answer Correct Answer: D) A tissue. 45. Part three of the cell theory was created by: A) Virchow/Remak. B) Schwann. C) Hooke. D) None of the above. Show Answer Correct Answer: A) Virchow/Remak. 46. Meiotic division is A) Equational. B) Reductional. C) Both. D) None. Show Answer Correct Answer: B) Reductional. 47. What forms due to a difference in concentration of particles on opposite sides of the membrane? A) Concentration gradient. B) Diffusion gradient. C) Equilibrium. D) Concentration flow. Show Answer Correct Answer: A) Concentration gradient. 48. Which of the following is correct for prokaryotic ribosome? A) It dissociates into 50S and 30S. B) It dissociates into 40S and 40S. C) It dissociates into 60S and 20S. D) It dissociates into 70S and 30S. Show Answer Correct Answer: A) It dissociates into 50S and 30S. 49. Which part of the cell is known as the 'powerhouse'? A) Nucleus. B) Mitochondria. C) Endoplasmic reticulum. D) Ribosomes. Show Answer Correct Answer: B) Mitochondria. 50. Movement of Carbon dioxide across plasma membrane takes place with the help of A) Active transport. B) Diffusion. C) Osmosis. D) Passive transport. Show Answer Correct Answer: B) Diffusion. 51. Name the cell organelle in which cristae are present? A) Chromosome. B) Centrosome. C) Mitochondria. D) Plastid. Show Answer Correct Answer: C) Mitochondria. 52. What is the example of unicellular organism? A) Amoeba. B) Bacteria. C) Paramocium. D) All of the above. Show Answer Correct Answer: D) All of the above. 53. Water moving from areas of high concentration to low concentration. A) Photosynthesis. B) Osmosis. C) Cellular Respiration. D) None of the above. Show Answer Correct Answer: B) Osmosis. 54. Who discovered the nucleus of the cell? A) Robert Hooke. B) Purkinje. C) Robert Brown. D) Lion corner. Show Answer Correct Answer: C) Robert Brown. 55. Vacuole is surrounded by ..... A) Nulear Membrane. B) Cell Membrane. C) Tonoplast. D) None of the above. Show Answer Correct Answer: C) Tonoplast. 56. Cells use energy to move materials across a membrane (low to high concentration). A) Passive transport. B) Osmosis. C) Active transport. D) Diffusion. Show Answer Correct Answer: C) Active transport. 57. When we sprinkle salt on salad, water comes out because of A) Endosmosis. B) Exosmosis. C) Diffusion. D) None of the above. Show Answer Correct Answer: B) Exosmosis. 58. ..... observed free living organisms in the pond water for the first time. A) Edward Jenner. B) Antony of Leeuwenhoek. C) Robert Brown. D) Louis Pasteur. Show Answer Correct Answer: B) Antony of Leeuwenhoek. 59. Which of the following is correct about the Golgi? A) Digests waste materials. B) Protection and Support. C) Modifies and packages molecules. D) Cellular movement. Show Answer Correct Answer: C) Modifies and packages molecules. 60. Which of the following is called power house of cell? A) Mitochondrion. B) Lysosome. C) Nucleus. D) Golgi body. Show Answer Correct Answer: A) Mitochondrion. ← PreviousNext →Related QuizzesScience QuizzesClass 9 QuizzesClass 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 1Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 2Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 3Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 4Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 6Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 7Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books