This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 41 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 41 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How does the presence of a cell wall in plant cells influence their interaction with the environment? A) It allows plant cells to move freely. B) It provides rigidity and protection, allowing plants to withstand various environmental conditions. C) It prevents the plant from absorbing sunlight. D) It allows the plant to produce proteins. Show Answer Correct Answer: B) It provides rigidity and protection, allowing plants to withstand various environmental conditions. 2. Assertion (A):The cell membrane contains cholesterol molecules. Reason (R):Cholesterol helps maintain membrane fluidity and stability. 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. 3. Which of the following is a function of the cell wall in plant cells? A) To control the movement of substances in and out of the cell. B) To provide structural support and protection. C) To store genetic information. D) To produce energy. Show Answer Correct Answer: B) To provide structural support and protection. 4. This organelle protects/holds the DNA A) Mitochondria. B) Chloroplasts. C) Nucleolus. D) Nucleus. Show Answer Correct Answer: D) Nucleus. 5. Cell organelle that stores materials such as water, salts, proteins, and carbohydrates A) Centriole. B) Vacuole. C) Ribosome. D) Lysosome. Show Answer Correct Answer: B) Vacuole. 6. I can be found in plant cells. A) Chloroplast. B) Mitochondria. C) Chloroplast + Mitosis both. D) None of the above. Show Answer Correct Answer: C) Chloroplast + Mitosis both. 7. Single celled organisms are called A) Unicellular. B) Multi-cellular. C) Both of these. D) None of these. Show Answer Correct Answer: A) Unicellular. 8. Which part of the plant cell is responsible for photosynthesis and is only found in plant cells? A) Mitochondria. B) Golgi Bodies. C) Chloroplast. D) Vacuole. Show Answer Correct Answer: C) Chloroplast. 9. Different types of cells come in a great variety of shapes and sizes. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. Which organelles are involved in the process called endocytosis? A) Ribosomes. B) Vesicles. C) Centrioles. D) Chloroplasts. Show Answer Correct Answer: B) Vesicles. 11. This structure contains chlorophyll and is where photosynthesis takes place in plant cells. A) Mitochondria. B) Chloroplast. C) Vacuole. D) Cytoplasm. Show Answer Correct Answer: B) Chloroplast. 12. CELL WALL IS PRESENT IN- A) ANIMAL CELLS. B) PLANT CELLS. C) BOTH 1 AND 2. D) NONE OF THESE. Show Answer Correct Answer: B) PLANT CELLS. 13. What is the relationship between lysosomes and vesicles? A) Lysosomes are a type of vesicle. B) Vesicles are a type of lysosome. C) Lysosomes produce vesicles. D) Vesicles break down lysosomes. Show Answer Correct Answer: A) Lysosomes are a type of vesicle. 14. What type of compounds are investigated to understand living organisms? A) Organic compounds. B) Radioactive compounds. C) Inorganic compounds. D) Synthetic compounds. Show Answer Correct Answer: A) Organic compounds. 15. ..... is the scientist who saw small chambers when looking at cork, and named them "cells" . A) Newton. B) Hooke. C) Carson. D) Manning. Show Answer Correct Answer: B) Hooke. 16. I am located in the nucleus-I'm the genetic material of a cell A) Cytoplasm. B) Membrane. C) Chromosomes/DNA. D) Vacuole. Show Answer Correct Answer: C) Chromosomes/DNA. 17. SAY TRUE OR FALSE The jelly-like fluid present between the cell membrane and the nuclear membrane iscalled the Protoplasm A) FALSE. B) TRUE. C) All the above. D) None of the above. Show Answer Correct Answer: A) FALSE. 18. What are Mitochondria? A) Break down food to release energy. B) The fill cell. C) The command center for cell's activities. D) All of the above. Show Answer Correct Answer: A) Break down food to release energy. 19. Chromosomes line along the center of the cell A) Anaphase. B) Prophase. C) Metaphase. D) Telophase. Show Answer Correct Answer: C) Metaphase. 20. All of the following serve an important role in determining or maintaining the structure of plant cells. Which of the following are distinct from the others in their composition? A) Microtubules. B) Microfilaments. C) Plant cell walls. D) Intermediate filaments. E) Nuclear lamina. Show Answer Correct Answer: C) Plant cell walls. 21. The rough endoplasmic reticulum is: A) An intracellular double-membrane system to which ribosomes are attached. B) An intracellular membrane that is studded with microtubular structures. C) Only found in prokaryotic cells. D) A membranous structure found within mitochondria. Show Answer Correct Answer: A) An intracellular double-membrane system to which ribosomes are attached. 22. What is the primary function of mitochondria in a cell? A) To synthesize proteins. B) To produce energy. C) To store nutrients. D) To conduct photosynthesis. Show Answer Correct Answer: B) To produce energy. 23. This small structures break down materials in the cell. A) Cholorplasts. B) Ribosomes. C) Lysosomes. D) Golgi Body. Show Answer Correct Answer: C) Lysosomes. 24. What is the main difference between eukaryotic and prokaryotic cells? A) Eukaryotic cells are smaller. B) Prokaryotic cells have a nucleus. C) Eukaryotic cells have membrane-enclosed organelles. D) Prokaryotic cells are multicellular. Show Answer Correct Answer: C) Eukaryotic cells have membrane-enclosed organelles. 25. Controls the passage of materials inside and outside of the cell. A) Cellmembrane. B) Cytoplasm. C) Cell wall. D) Endoplasmic reticulum. Show Answer Correct Answer: A) Cellmembrane. ← 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