This quiz works best with JavaScript enabled. Home > Class 9 > Class 9 Science Chapter 5 The Fundamental Unit Of Life – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is correct for prokaryotic ribosome? A) It dissociates into 50S and 30S. B) It dissociates into 40S and 40S. C) It dissociates into 60S and 20S. D) It dissociates into 70S and 30S. Show Answer Correct Answer: A) It dissociates into 50S and 30S. 2. Which part of the cell is known as the 'powerhouse'? A) Nucleus. B) Mitochondria. C) Endoplasmic reticulum. D) Ribosomes. Show Answer Correct Answer: B) Mitochondria. 3. Movement of Carbon dioxide across plasma membrane takes place with the help of A) Active transport. B) Passive transport. C) Osmosis. D) Diffusion. Show Answer Correct Answer: D) Diffusion. 4. Name the cell organelle in which cristae are present? A) Plastid. B) Mitochondria. C) Chromosome. D) Centrosome. Show Answer Correct Answer: B) Mitochondria. 5. What is the example of unicellular organism? A) Amoeba. B) Bacteria. C) Paramocium. D) All of the above. Show Answer Correct Answer: D) All of the above. 6. Water moving from areas of high concentration to low concentration. A) Photosynthesis. B) Osmosis. C) Cellular Respiration. D) None of the above. Show Answer Correct Answer: B) Osmosis. 7. Who discovered the nucleus of the cell? A) Robert Hooke. B) Robert Brown. C) Lion corner. D) Purkinje. Show Answer Correct Answer: B) Robert Brown. 8. Vacuole is surrounded by ..... A) Nulear Membrane. B) Cell Membrane. C) Tonoplast. D) None of the above. Show Answer Correct Answer: C) Tonoplast. 9. Cells use energy to move materials across a membrane (low to high concentration). A) Active transport. B) Passive transport. C) Diffusion. D) Osmosis. Show Answer Correct Answer: A) Active transport. 10. When we sprinkle salt on salad, water comes out because of A) Endosmosis. B) Exosmosis. C) Diffusion. D) None of the above. Show Answer Correct Answer: B) Exosmosis. 11. ..... observed free living organisms in the pond water for the first time. A) Edward Jenner. B) Louis Pasteur. C) Antony of Leeuwenhoek. D) Robert Brown. Show Answer Correct Answer: C) Antony of Leeuwenhoek. 12. Which of the following is correct about the Golgi? A) Digests waste materials. B) Protection and Support. C) Modifies and packages molecules. D) Cellular movement. Show Answer Correct Answer: C) Modifies and packages molecules. 13. Which of the following is called power house of cell? A) Lysosome. B) Nucleus. C) Mitochondrion. D) Golgi body. Show Answer Correct Answer: C) Mitochondrion. 14. Cuboidal epithelium are present in A) Hepatic tubules. B) Alveoli of lungs. C) Kidney tubules. D) Areolar region. Show Answer Correct Answer: C) Kidney tubules. 15. Double membrane is absent in- A) Mitochondrion. B) Chloroplast. C) Nucleus. D) Lysosome. Show Answer Correct Answer: D) Lysosome. 16. The outermost covering of a plant cell is A) Plasma membrane. B) Cell wall. C) Nuclear membrane. D) Vacuolar membrane. Show Answer Correct Answer: B) Cell wall. 17. The animal cell which does not possess nucleus is A) Egg of hen. B) White blood cell. C) Red blood cell. D) Nerve cell. Show Answer Correct Answer: C) Red blood cell. 18. Who discovered the cell and when? A) Robert Brown in 1831. B) Robert Hooke in 1665. C) Anton van Leeuwenhoek in 1674. D) Theodor Schwann in 1839. Show Answer Correct Answer: B) Robert Hooke in 1665. 19. Amoeba is an unicellular organism. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. Who proposed the cell theory? A) Schleiden and Schwann. B) Watson and Crick. C) Darwin and Wallace. D) Mendel and Morgan. Show Answer Correct Answer: A) Schleiden and Schwann. 21. Which organelles contain their own DNA apart from nucleus A) Lysosomes and vacuoles. B) Golgi body and Endoplasmic reticulum. C) Mitochondria and Plastids. D) All organelle possess their own DNA. Show Answer Correct Answer: C) Mitochondria and Plastids. 22. What is the basic structural and functional unit of life? A) Tissue. B) Organism. C) Organ. D) Cell. Show Answer Correct Answer: D) Cell. 23. This cell has circular DNA floating in the cytoplasm. A) Prokaryotic. B) Eukaryotic. C) Both. D) None of the above. Show Answer Correct Answer: A) Prokaryotic. 24. Which microorganism lacks any kind of membrane? A) Bacteria. B) Cell. C) Virus. D) Tissue. Show Answer Correct Answer: C) Virus. 25. The plant cell wall is composed of A) Chitin. B) Cellulose. C) Pectin. D) Suberin. Show Answer Correct Answer: B) Cellulose. ← PreviousNext →Related QuizzesClass 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 1Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 2Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 3Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 4Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 5Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 6Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 7Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 8Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 9Class 9 Science Chapter 5 The Fundamental Unit Of Life Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books