This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 8 Cell Structure And Functions – Quiz 59 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 8 Cell Structure And Functions Quiz 59 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following statements about cells is incorrect? A) Both prokaryotic and eukaryotic cells contain a cell membrane, cytoplasm and ribosomes. B) Prokaryotic cells do not contain a membrane-bound nucleus. C) Prokaryotic cells contain a membrane-bound nucleus. D) There are many more prokaryotic cells on Earth than there are eukaryotic cells. Show Answer Correct Answer: C) Prokaryotic cells contain a membrane-bound nucleus. 2. Which of the following choices accurately shows the levels of cellular organization? A) Cells $\rightarrow$ Tissues $\rightarrow$ Organ Systems $\rightarrow$ Organs. B) Organ Systems $\rightarrow$ Tissues $\rightarrow$ Organs $\rightarrow$ Cells. C) Cells $\rightarrow$ Tissues $\rightarrow$ Organs $\rightarrow$ Organ Systems. D) Tissues $\rightarrow$ Organs $\rightarrow$ Cells $\rightarrow$ Organ Systems. Show Answer Correct Answer: C) Cells $\rightarrow$ Tissues $\rightarrow$ Organs $\rightarrow$ Organ Systems. 3. Parenchyma, collenchyma, and sclerenchyma are classified as: A) Dermal tissues. B) Vascular tissues. C) Ground tissues. D) Primary tissues. Show Answer Correct Answer: C) Ground tissues. 4. Rectangular A) Animal cell shape. B) Plant cell shape. C) Spherical. D) Cylindrical. Show Answer Correct Answer: B) Plant cell shape. 5. What is the main idea of the cell theory? A) Cells can only be seen with a microscope. B) All living things are composed of cells. C) Cells are the smallest unit of matter. D) Cells are only found in plants. Show Answer Correct Answer: B) All living things are composed of cells. 6. It the ocular is 10x, and the the total magnification is 400x, what is the objective? A) 40x. B) 410x. C) 4x. D) 4000x. Show Answer Correct Answer: A) 40x. 7. Which of the following is NOT a part of cell theory? A) All living organisms are composed of one or more cells. B) The cell is the basic unit structure and organization in organisms. C) Cells are only found in animals and human beings. D) Cells arise from pre-existing cells. Show Answer Correct Answer: C) Cells are only found in animals and human beings. 8. Which early scientist first discovered and named cells? A) Robert Brown. B) Theodore Schwann. C) Matthias Schleiden. D) Robert Hooke. Show Answer Correct Answer: D) Robert Hooke. 9. The nucleus A) Controls what enters and leaves the call. B) Is known as the brain of the cell. C) Makes proteins for the cell. D) Makes food for the cell. Show Answer Correct Answer: B) Is known as the brain of the cell. 10. Name the organelle responsible for producing energy in a cell. A) Endoplasmic reticulum. B) Golgi apparatus. C) Mitochondria. D) Ribosomes. Show Answer Correct Answer: C) Mitochondria. 11. Creates energy and is the powerhouse of the cell in both plant and animal cells. A) Cytoplasm. B) Chloroplast. C) Ribosomes. D) Mitochondria. Show Answer Correct Answer: D) Mitochondria. 12. Cell that can be seen by the naked eyes ..... A) Hen's egg. B) Ostrich eggs. C) Only option a. D) Both option A and B. E) None of the above. Show Answer Correct Answer: D) Both option A and B. 13. A scientist observes that after mitosis, two daughter cells are produced. She wants to confirm that the genetic material in both cells is identical. What method could she use? A) Compare the number of mitochondria in each cell. B) Analyze the DNA sequences in both cells. C) Measure the size of the cells. D) Observe the color of the cellsTagsVA.LS.2.d. Show Answer Correct Answer: B) Analyze the DNA sequences in both cells. 14. Describe the structure and function of the mitochondria. A) The mitochondria are single-membrane-bound organelles responsible for photosynthesis. B) Mitochondria have no role in energy production within cells. C) Mitochondria are not organelles found in eukaryotic cells. D) The mitochondria are double-membrane-bound organelles responsible for producing ATP through cellular respiration. Show Answer Correct Answer: D) The mitochondria are double-membrane-bound organelles responsible for producing ATP through cellular respiration. 15. What is the main role of the cell membrane? A) To produce energy for the cell. B) To control what enters and leaves the cell. C) To store water and nutrients. D) To provide structure and support. Show Answer Correct Answer: B) To control what enters and leaves the cell. 16. During a biology class, Liam, Evelyn, and Grace were discussing the function of the cytoplasm in a cell. What is the primary function of the cytoplasm? A) Regulating molecular transport. B) Storing genetic information. C) Producing energy. D) Providing structural support. Show Answer Correct Answer: D) Providing structural support. 17. Organisms made up of multiple cells are called A) Multicellular. B) Unicellular. C) All the above. D) None of the above. Show Answer Correct Answer: A) Multicellular. 18. You are given two unknown cell samples. One has a cell wall and chloroplasts, and the other does not. How would you determine which is a plant cell and which is an animal cell? A) The cell with a cell wall and chloroplasts is a plant cell; the other is an animal cell. B) The cell with a cell wall and chloroplasts is an animal cell; the other is a plant cell. C) Both are plant cells. D) Both are animal cells.TagsVA.LS.2.c. Show Answer Correct Answer: A) The cell with a cell wall and chloroplasts is a plant cell; the other is an animal cell. 19. What is the primary function of ribosomes in the cell? A) DNA replication. B) Protein synthesis. C) Lipid synthesis. D) Carbohydrate metabolismTagsDOK Level 2:Skill/Concept. Show Answer Correct Answer: B) Protein synthesis. 20. What is the significance of cell theory in biology? A) It explains the origin of life. B) It emphasizes cellular organization. C) It describes the behavior of non-living things. D) It focuses on genetic variations. Show Answer Correct Answer: B) It emphasizes cellular organization. 21. What are the basic structural and functional units of a living organisms? A) Cells. B) Tissues. C) Organs. D) Organisms. Show Answer Correct Answer: A) Cells. 22. What is the fluid inside a cell called? A) Endoplasimic Reticulum. B) Orange Juice. C) Water. D) Cytoplasm. Show Answer Correct Answer: D) Cytoplasm. 23. Includes millions of ribosomes, protein folding, production, and dispatching of proteins A) Rough ER. B) Smooth ER. C) Nucleus. D) Mitochondria. Show Answer Correct Answer: A) Rough ER. 24. Bacteria, protist, animal and plant cells all have a ..... A) Cell membrane. B) Nucleus. C) Chloroplasts. D) Cell wall. Show Answer Correct Answer: A) Cell membrane. 25. Scottish botanist Robert Brown discovered the central part of the cell A) , the nucleus. B) Cytoplasm,. C) Cell membrane. D) None of the above. Show Answer Correct Answer: A) , the nucleus. ← 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