This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following contains hydrolytic enzymes? A) Lysosome. B) Vacuole. C) Mitochondria. D) Golgi apparatus. E) Peroxisome. Show Answer Correct Answer: A) Lysosome. 2. Below are the organelles that exists in plant cell EXCEPT A) Mitochondria. B) Vacuole. C) Lysosome. D) Golgi Body. Show Answer Correct Answer: C) Lysosome. 3. Why is mitosis important for multicellular organisms? A) It allows for the production of energy. B) It enables growth and repair of tissues. C) It helps in photosynthesis. D) It controls cell transportTagsVA.LS.2.d. Show Answer Correct Answer: B) It enables growth and repair of tissues. 4. Which of the following is NOT made of cells? A) A rock. B) An ant. C) You and me. D) A tree. Show Answer Correct Answer: A) A rock. 5. This structure is found outside the cell membrane in plants and gives plant cells structure. A) Cell membrane. B) Cell wall. C) Chlorophyll. D) Mitochondria. Show Answer Correct Answer: B) Cell wall. 6. Stores water and nutrients A) Vacuole in plant cells. B) Chloroplast in plant cells. C) Mitochondria in animal cells. D) Ribosome in bacteria. Show Answer Correct Answer: A) Vacuole in plant cells. 7. What are Nucleus? A) Fill cell. B) Processes material. C) Transport material, store material. D) The command center for cell's activities. Show Answer Correct Answer: D) The command center for cell's activities. 8. What is the function of the lysosomes in a cell? A) Digestion of waste materials and cellular debris. B) Storage of genetic information. C) Production of energy for the cell. D) Regulation of cell growth and division. Show Answer Correct Answer: A) Digestion of waste materials and cellular debris. 9. A fossilized cell is discovered, and evidence suggests it reproduced on its own and had DNA, but a membrane did not enclose its DNA. Which type of organism would this most likely be? A) Prokaryote. B) Eukaryote. C) Plant cell. D) Animal cell. Show Answer Correct Answer: A) Prokaryote. 10. A specialized structure inside of the cell are known as ..... A) Organ. B) Items. C) Organelle. D) Excess materials. Show Answer Correct Answer: C) Organelle. 11. The portion of the cell outside the nucleus, made up of the cytosol and organelles A) Organelle. B) Lysosome. C) Cytoplasm. D) Cytoskeleton. Show Answer Correct Answer: C) Cytoplasm. 12. The smallest unit of an organism is called: A) Ecosystem. B) Cell. C) Cell wall. D) Organelle. Show Answer Correct Answer: B) Cell. 13. Tay Sach's disease is caused because of the absence of an enzyme that is involved in the catabolism of: A) Proteins. B) Lipids. C) Polysaccharides. D) Monosaccharides. Show Answer Correct Answer: B) Lipids. 14. Which organelle is found in both prokaryotic and eukaryotic cells? A) Nucleus. B) Ribosome. C) Mitochondria. D) Chloroplast. Show Answer Correct Answer: B) Ribosome. 15. The part of cell which plays a role of inheritance is A) Cytoplasm. B) Plasma membrane. C) Nucleus. D) Mitochondria. Show Answer Correct Answer: C) Nucleus. 16. Cholesterol within membranes functions as a(n) ..... through its interactions with both hydrophobic and hydrophilic parts of phospholipids A) PH buffer. B) Ebergy source. C) Temperature controller. D) Fluidity buffer. Show Answer Correct Answer: D) Fluidity buffer. 17. What is the function of the mitochondria? A) To produce energy for the cell. B) To capture light energy. C) To store food and enzymes. D) To digest worn-out organelles. Show Answer Correct Answer: A) To produce energy for the cell. 18. What is the plural of nucleus? A) Nuclei. B) Nucleu. C) Nucleo. D) None of these. Show Answer Correct Answer: A) Nuclei. 19. What fluid fills the space inside of the cell and holds organelles in place? A) Blood. B) Plasma. C) Chlorine. D) Cytoplasm. Show Answer Correct Answer: D) Cytoplasm. 20. Which organelle is responsible for synthesizing ATP during cellular respiration? A) Lysosome. B) Ribosome. C) Mitochondrion. D) Golgi apparatus. Show Answer Correct Answer: C) Mitochondrion. 21. Which is organelle is known as 'powerhouse of cell'? A) Mitochrondia. B) Neuron. C) Golgi Bodies. D) Chloroplast. Show Answer Correct Answer: A) Mitochrondia. 22. The process by which a cell makes a copy of the DNA in its nucleus before cell division A) Duplication. B) Copying. C) Replication. D) Doubling. Show Answer Correct Answer: C) Replication. 23. It processes lipids and carbohydrates and gets rid of toxic wastes A) Smooth endoplasmic reticulum (SER). B) Rough endoplasmic reticulum (RER). C) All the above. D) None of the above. Show Answer Correct Answer: A) Smooth endoplasmic reticulum (SER). 24. Assertion (A):The rough endoplasmic reticulum (RER) is involved in protein synthesis. Reason (R):RER has ribosomes attached to its surface. 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. 25. The Endoplasmic Reticulum A) Is the transportion system of the cell. B) Controls all activities of the cell. C) Makes energy for the cell. D) Controls what enters and leaves the cell. Show Answer Correct Answer: A) Is the transportion system of the cell. ← 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