This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The unit of inheritance responsible for the transfer of hereditary characters from parents to offspring is A) Nucleus. B) Chromosomes. C) Genes. D) Necleolus. Show Answer Correct Answer: C) Genes. 2. Which organelle is primarily involved in the synthesis of proteins? A) Golgi apparatus. B) Ribosomes. C) Chloroplast. D) Vacuoles. Show Answer Correct Answer: B) Ribosomes. 3. Rocks are not living because A) They never move. B) They aren't needed for humans. C) They are not made of cells. D) They don't break down. Show Answer Correct Answer: C) They are not made of cells. 4. What approach allows the investigation of physiological processes using cell-free systems? A) Holistic Biology. B) Reductionist Biology. C) Experimental Biology. D) Comparative Biology. Show Answer Correct Answer: B) Reductionist Biology. 5. ..... is called as the Structural and Functional unit of life. A) Human. B) Living Organisms. C) Cell. D) Cell Organelle. Show Answer Correct Answer: C) Cell. 6. What is the main focus of the study of living organisms according to the text? A) Exploring cellular organization. B) Understanding chemical reactions. C) Investigating non-living systems. D) Focusing on physical laws. Show Answer Correct Answer: A) Exploring cellular organization. 7. Which organelle controls the cell? A) Nucleus. B) Mitochondria. C) Ribosome. D) Chloroplast. Show Answer Correct Answer: A) Nucleus. 8. "Shipping department", Processes proteins made by the cell and determines where they go. A) Endoplasmic reticulum. B) Golgi apparatus. C) Cytoplasm. D) Protoplasm. Show Answer Correct Answer: B) Golgi apparatus. 9. Cell exhibit a variety of shapes and ..... A) Colours. B) Sizes. C) Projections. D) Vacuoles. Show Answer Correct Answer: B) Sizes. 10. What is the function of the Golgi Body? A) Produces energy for the cell. B) Digests food for the cell. C) Controls cell activities. D) Packages materials into vesicles for transport and storage. Show Answer Correct Answer: D) Packages materials into vesicles for transport and storage. 11. Which organelle is responsible for packaging and transporting proteins? A) Golgi apparatus. B) Lysosome. C) Nucleus. D) Chloroplast. Show Answer Correct Answer: A) Golgi apparatus. 12. What cell organelle is responsible for using oxygen to produce energy in the form of Adenosine Triphosphate (ATP)? A) Golgi body. B) Mitochondria. C) Cell wall. D) Chloroplast. Show Answer Correct Answer: B) Mitochondria. 13. Functions of the cytoplasm include A) Helping the cell keep its shape. B) Making energy available to the cell. C) Joining amino acids to make proteins. D) Transporting lipids around the cell. Show Answer Correct Answer: A) Helping the cell keep its shape. 14. Assertion (A):The cell membrane is made up of a phospholipid bilayer. Reason (R):Phospholipids have hydrophilic heads and hydrophobic tails. A) Both Assertion and Reason are true, and Reason is the correct explanation of Assertion. B) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion. C) Assertion is true, but Reason is false. D) Assertion is false, but Reason is true. Show Answer Correct Answer: A) Both Assertion and Reason are true, and Reason is the correct explanation of Assertion. 15. What does Reductionist Biology apply to understand biology? A) Only mathematical concepts. B) Concepts and techniques of physics and chemistry. C) Only chemical concepts. D) Only biological concepts. Show Answer Correct Answer: B) Concepts and techniques of physics and chemistry. 16. Which organelle is primarily involved in the synthesis of lipids? A) Ribosome. B) Mitochondria. C) Endoplasmic Reticulum. D) Lysosome. Show Answer Correct Answer: C) Endoplasmic Reticulum. 17. An electron microscope magnifies objects over ..... times. A) 40000. B) 50000. C) 600000. D) 30000. Show Answer Correct Answer: B) 50000. 18. Which cells or cell components play an essential role in the clotting of blood? A) Erythrocytes. B) Platelets. C) Leukocytes. D) Plasma. Show Answer Correct Answer: B) Platelets. 19. An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ..... A) The type of plant. B) The amount of sunlight. C) The type of music. D) The type of liquid. Show Answer Correct Answer: D) The type of liquid. 20. Which option displays the correct order of the cell cycle? A) Interphase, Cytokinesis, Mitosis. B) Mitosis, Interphase, Cytokinesis. C) Interphase, Cytokinesis, Mitosis. D) Interphase, Mitosis, Cytokinesis. Show Answer Correct Answer: D) Interphase, Mitosis, Cytokinesis. 21. What is the cell organelle that stores water, food and waste called? A) The cytoplasm. B) The lysosomes. C) The vacuole. D) The mitochondria. Show Answer Correct Answer: C) The vacuole. 22. What is the function of the lysosomes? A) To make proteins for the cell. B) To store water and other materials. C) To convert food and oxygen into energy. D) To use enzymes to digest old or worn out cell parts. Show Answer Correct Answer: D) To use enzymes to digest old or worn out cell parts. 23. Which of the following is the "powerhouse" of the cell that breaks down food into energy that the cell needs? A) Mitochondria. B) Vacuole. C) Endoplasmic reticulum. D) Chloroplast. Show Answer Correct Answer: A) Mitochondria. 24. Function of Cell Membrane A) Entry and exit of substances. B) Energy production. C) Protein synthesis. D) Cell division. Show Answer Correct Answer: A) Entry and exit of substances. 25. A rigid structure that surrounds the cell membrane for support and protection of the cell. A) Chloroplasts. B) Cell Wall. C) Cell Membrane. D) Cytoplasm. Show Answer Correct Answer: B) Cell Wall. ← PreviousNext →Related QuizzesClass 8 Science Chapter 8 Cell Structure And Functions Quiz 1Class 8 Science Chapter 8 Cell Structure And Functions Quiz 2Class 8 Science Chapter 8 Cell Structure And Functions Quiz 3Class 8 Science Chapter 8 Cell Structure And Functions Quiz 4Class 8 Science Chapter 8 Cell Structure And Functions Quiz 5Class 8 Science Chapter 8 Cell Structure And Functions Quiz 6Class 8 Science Chapter 8 Cell Structure And Functions Quiz 7Class 8 Science Chapter 8 Cell Structure And Functions Quiz 8Class 8 Science Chapter 8 Cell Structure And Functions Quiz 9Class 8 Science Chapter 8 Cell Structure And Functions Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books