This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 8 Cell The Unit Of Life – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Dikaryophase in ascomycetes is related to A) Cytoplasm. B) Nucleoplasm. C) Nucleus. D) Matrix of mitochondria. Show Answer Correct Answer: C) Nucleus. 2. Who was the first person to see cells under the microscope and give them a name? A) Anton van Leeuwenhoek. B) Robert Hooke. C) Theodor Schwann. D) Matthias Schleiden. Show Answer Correct Answer: B) Robert Hooke. 3. Protein factories of the cell A) Ribosomes. B) Lysosomes. C) Mitochondria. D) Chloroplasts. Show Answer Correct Answer: A) Ribosomes. 4. Select the not true statement from the following- A) Both chloroplast & mitochondria have inner & iuter membrane. B) Both chlorplast & mitochondria are semi autonomous organelles. C) Both chloroplast & mitochondria contain single stranded circular DNA. D) Chloroplasts are generally larger than mitochondria. Show Answer Correct Answer: C) Both chloroplast & mitochondria contain single stranded circular DNA. 5. The cap like structure Parenthesome found in the dolipore septum of Basidiomycetes is the modified A) ER. B) Tonoplast. C) Vesicle. D) Sphaerosome. Show Answer Correct Answer: A) ER. 6. The function of nucleolus is the synthesis of A) M-RNA. B) DNA. C) T-RNA. D) R-RNA. Show Answer Correct Answer: D) R-RNA. 7. Organelle present in prokaryotic cell A) Golgi body. B) Endoplasmic reticulum. C) Mitochondria. D) Ribosomes. Show Answer Correct Answer: D) Ribosomes. 8. How many longitudinal peripheral fibres are found in a centriole? A) 2. B) 9. C) 5. D) 7. Show Answer Correct Answer: B) 9. 9. ASSERTION-All non-living things composed of cells.REASON-Cell is the basic unit of non-living things.a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.c) Assertion is true but Reason is false.d) Both Assertion and Reason are false. A) A. B) B. C) C. D) D. Show Answer Correct Answer: D) D. 10. Which of these donot have a membrane? A) Ribosomes. B) Nucleus. C) Cilia. D) None of the above. Show Answer Correct Answer: A) Ribosomes. 11. Go through the following statements and then select correct option(s) for prokaryotic cells-I. They are generally smaller than eukaryotic cellsII. They multiply more rapidly than the eukaryotic cellsIII. They are presented by bacteria, B. G. A, mycoplasma and PPLO (Pleuro Pneumonia like organism) A) All. B) II and III. C) Only III. D) I and III. Show Answer Correct Answer: A) All. 12. Why is studying cells and their structures important? A) To improve cooking skills. B) To understand the weather patterns. C) To gain insights into complex processes within living organisms. D) To learn a new language. Show Answer Correct Answer: C) To gain insights into complex processes within living organisms. 13. The prokaryotic ribosomes, A) Can be affected by action of RNases. B) Are found as free floating in cytoplasm. C) Are composed of 50S and 30S. D) All of the above. Show Answer Correct Answer: D) All of the above. 14. Select the incorrect statement about prokaryotic ribosomes- A) 50 S & 30 S subunit unie to form 70 S ribosome. B) Polyribosomes consists of may m rna attcahed to one single ribosomes. C) Ribosoem is the site fro protein synthesis. D) They are about 15x20 nm in size. Show Answer Correct Answer: B) Polyribosomes consists of may m rna attcahed to one single ribosomes. 15. Bright colour of petals is due to the presence of A) Chloroplast. B) Anthocyanin. C) Elaioplast. D) Amyloplast. Show Answer Correct Answer: B) Anthocyanin. 16. Cell membrane is selective permeable. This means that it A) Allows all materials to pass through. B) Allows only water to pass through. C) Allows only certain materials to pass through. D) Allows only ions to pass through. Show Answer Correct Answer: C) Allows only certain materials to pass through. 17. The nucleolus has the function of ..... A) Intracellular digestion. B) Forming RNA. C) Cellular respiration. D) Cell division. Show Answer Correct Answer: B) Forming RNA. 18. Which cellular part is correctly described? A) Ribosomes on chloroplasts 80S, in cytoplasm 70S. B) Lysosomes active at pH 8.5. C) Thylakoids-flattened sacs forming grana. D) Centrioles-site of active RNA synthesis. Show Answer Correct Answer: C) Thylakoids-flattened sacs forming grana. 19. Plasma membrane is mainly composed of: A) Proteins only. B) Lipids only. C) Lipids and proteins. D) Carbohydrates only. Show Answer Correct Answer: C) Lipids and proteins. 20. All plastids have similar structure because they can A) Store starch, lipids and proteins. B) Get transformed from one type to another. C) Perform same function. D) Be present together. Show Answer Correct Answer: B) Get transformed from one type to another. 21. The shape of the white blood cells is said to be ..... in order to squeeze through the capillary walls. A) Cubical. B) Biconcave. C) Contractile. D) Amoeboid. Show Answer Correct Answer: D) Amoeboid. 22. The site of respiration in bacteria is A) Microsome. B) Ribosome. C) Mesosome. D) Episome. Show Answer Correct Answer: C) Mesosome. 23. Pit membrane of simple pit is formed by A) Secondary cell wall. B) Middle lamella. C) Primary cell wall. D) Plasma membrane. Show Answer Correct Answer: B) Middle lamella. 24. Facilitated diffusion occurs through: A) ATP. B) Carrier proteins. C) Vesicles. D) Pumps. Show Answer Correct Answer: B) Carrier proteins. 25. A common characteristic feature of plant sieve tube cells and most of mammalian erythrocytes is A) Absence of mitochondria. B) Presence of cell wall. C) Presence of haemoglobin. D) Absence of nucleus. Show Answer Correct Answer: D) Absence of nucleus. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 8 Cell The Unit Of Life Quiz 1Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 2Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 3Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 4Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 5Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 6Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 7Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 8Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 9Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books