This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 34 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 34 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The thin membrane that separates the nucleus from the rest of the cell is called t A) Nuclear membrane. B) Cell membrane. C) All the above. D) None of the above. Show Answer Correct Answer: A) Nuclear membrane. 2. Which of the following statements is incorrect about Endoplasmic Reticulum? A) It is involved in lipid synthesis. B) It is involved in ribosome synthesis. C) It is the post office of the cell. D) Involved in detoxifying chemicals. Show Answer Correct Answer: C) It is the post office of the cell. 3. What is the study of the shape and arrangement of cells in tissue called? A) Histology. B) Cytology. C) Anatomy. D) Physiology. Show Answer Correct Answer: A) Histology. 4. Which structure is responsible for photosynthesis in plant cells? A) Mitochondria. B) Chloroplast. C) Nucleus. D) Golgi Body. Show Answer Correct Answer: B) Chloroplast. 5. Which type of organelle is primarily involved in the synthesis of oils, phospholipids, and steroids? A) Ribosome. B) Lysosome. C) Smooth endoplasmic reticulum. D) Mitochondrion. E) Contractile vacuole. Show Answer Correct Answer: C) Smooth endoplasmic reticulum. 6. Fill in the blank:Endoplasmic reticulum helps in assembling (collecting) and transporting proteins inside the cell to build and repair the cell. A) Endoplasmic reticulum. B) Mitochondria. C) Golgi apparatus. D) Lysosome. Show Answer Correct Answer: A) Endoplasmic reticulum. 7. This type of cell needs a cell wall and chloroplasts A) Plant cell. B) Animal Cell. C) Bacteria. D) None of the above. Show Answer Correct Answer: A) Plant cell. 8. Ribosomes are Ribonucleoprotein which are synthesized in: A) Endoplasmic reticulum. B) Golgi bodies. C) Cytosol. D) Nucleolus. Show Answer Correct Answer: D) Nucleolus. 9. What distinguishes xylem tissue from phloem tissue in plants? A) Xylem transports water and minerals, while phloem transports nutrients and sugars. B) Phloem provides structural support, while xylem stores nutrients. C) Xylem is located in the outer part of stems and roots, while phloem is located in the inner part. D) Xylem is involved in photosynthesis, while phloem is involved in respiration. Show Answer Correct Answer: A) Xylem transports water and minerals, while phloem transports nutrients and sugars. 10. Which organelle is often called the "control center" of the cell? A) Nucleus. B) Mitochondrion. C) Golgi apparatus. D) Ribosome. Show Answer Correct Answer: A) Nucleus. 11. The small dense region in the nucleus where the assembly of ribosomes begins is called the A) Nucleolus. B) Nuclear envelope. C) Chloroplast. D) Vacuole. Show Answer Correct Answer: A) Nucleolus. 12. Which organelle is the "packing center" for the cell? A) Endoplasmic reticulum. B) Nucleus. C) Lysosomes. D) Golgi apparatus. Show Answer Correct Answer: D) Golgi apparatus. 13. Gives the cell shape and protection, and controls what enters and leaves cell. Made of a lipid bilayer. A) Chloroplasts. B) Ribosomes. C) Golgi apparatus. D) Cell membrane. Show Answer Correct Answer: D) Cell membrane. 14. Which organelle is responsible for cellular respiration in eukaryotic cells? A) Ribosome. B) Mitochondria. C) Nucleus. D) Endoplasmic reticulum. Show Answer Correct Answer: B) Mitochondria. 15. What type of cell contain plasmids? A) Prokaryotic cells. B) Eukaryotic cells. C) All the above. D) None of the above. Show Answer Correct Answer: A) Prokaryotic cells. 16. This scientist concluded that plants are made of cells: A) Virchow. B) Schwann. C) Schleiden. D) Leeunwenhoek. Show Answer Correct Answer: C) Schleiden. 17. A solution that is hypertonic to a cell has A) More solutes than the cell. B) Fewer solutes than the cell. C) The same concentration of solutes as the cell. D) Too many solutes. Show Answer Correct Answer: A) More solutes than the cell. 18. Proteins, the building blocks of all cells, are made up of organic chemicals known as A) Ribosomes. B) Amino acids. C) All the above. D) None of the above. Show Answer Correct Answer: B) Amino acids. 19. What is the role of lysosomes in animal cells? A) Digest food for eating. B) Make proteins for the cell. C) Store water and food. D) Carry materials throughout the cell. Show Answer Correct Answer: A) Digest food for eating. 20. A portion of a mRNA molecule that determines one amino acid in a polypeptide chain is called a A) Anticodon. B) Codon. C) Nucleotide. D) Translator. Show Answer Correct Answer: B) Codon. 21. Organs that work together to perform a related function is called ..... ? A) Cells. B) Tissues. C) Organ system. D) Organs. Show Answer Correct Answer: C) Organ system. 22. A nail is inserted in the trunk of a tree at a height of 1 metre from the ground level. After 3 years the nail will A) Move downwards. B) Move upwards. C) Remain at the same position. D) Move sideways. Show Answer Correct Answer: C) Remain at the same position. 23. This scientist observed live cells and observed greater detail: A) Hooke. B) Leeunwenhoek. C) Virchow. D) Schwann. Show Answer Correct Answer: B) Leeunwenhoek. 24. Assertion (A):Mitochondria are inherited maternally in most organisms. Reason (R):The egg cell contributes most of the cytoplasm, including mitochondria, to the zygote. 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. What tool do you use to view the cells? A) Metric ruler. B) Centrifuge. C) Microscope. D) Pipette. Show Answer Correct Answer: C) Microscope. ← 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