This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 8 Cell The Unit Of Life – Quiz 26 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 26 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The figures of cork cells as seen by Robert Hooke were published in the book A) Origin of species. B) Species plantarum. C) Genera plantarum. D) Micrographia. Show Answer Correct Answer: D) Micrographia. 2. Prokaryotic cells have a ..... in the central region of the cell. A) Nucleus. B) Nucleolus. C) Nucleoid. D) Nucleocoil. Show Answer Correct Answer: C) Nucleoid. 3. Correct sequence of layers of bacterial cell envelope from outward to inward is A) Cell wall $\rightarrow$ Glycocalyx $\rightarrow$ cell membrane. B) Cell membrane $\rightarrow$ Glycocalyx $\rightarrow$ cell wall. C) Glycocalyx $\rightarrow$ cell wall$\rightarrow$ cell membrane. D) Glycocalyx $\rightarrow$cell membrane $\rightarrow$cell wall. Show Answer Correct Answer: C) Glycocalyx $\rightarrow$ cell wall$\rightarrow$ cell membrane. 4. Match column I with column II and select the correct option from the codes given below:(A) Mitochondria (i) Without membrane(B) Lysosome (ii) Single membrane(C) Ribosomes (iii) Double membrane(D) Nucleus A) A-(i); B-(ii); C-(iii); D-(iii). B) A-(iii); B-(i); C-(i); D-(ii). C) A-(iii); B-(ii); C-(i); D-(iii). D) A-(ii); B-(iii); C-(i); D-(iii). Show Answer Correct Answer: C) A-(iii); B-(ii); C-(i); D-(iii). 5. The detailed study of cell can be done by using which microscope? A) Simple light microscope. B) Compound light microscope. C) Electron microscope. D) All the above. Show Answer Correct Answer: C) Electron microscope. 6. The plasma membrane is ..... in nature and interacts with the outside world. A) Impermeable. B) Semi-permeable. C) Freely permeable. D) None of the above. Show Answer Correct Answer: B) Semi-permeable. 7. Eukaryotic ribosome is: A) 60S. B) 70S. C) 80S. D) 90S. Show Answer Correct Answer: C) 80S. 8. Many molecules can move briefly across the membrane without any requirement of energy and this is called the A) Osmosis. B) Active Transport. C) Passive transport. D) Activated diffusion. Show Answer Correct Answer: C) Passive transport. 9. Which of the following is not a function of cytoskeleton in a cell? A) Intracellular transport. B) Maintenance of cell shape and structure. C) Support of the organelles. D) Cell motility. Show Answer Correct Answer: A) Intracellular transport. 10. Which of the following is NOT true for flagella? A) Thin filamentous. B) Latin for whip. C) Chemosensitive and Temperature sensitive. D) Conjugation. Show Answer Correct Answer: D) Conjugation. 11. Mesosomes are the infoldings of cell membrane, which(i) are present in both prokaryotic and eukaryotic cells(ii) help in cell wall formation, DNA replication and respiration(iii) increase the surface area of plasma membrane. A) (i) and (ii). B) (ii) and (iii). C) (i) and (iii). D) (i), (ii) and (iii). Show Answer Correct Answer: B) (ii) and (iii). 12. Identify the incorrect pair from the following-I) Chromoplasts-contain pigments other than chlorphyllII) leucoplasts-devoid of any pigmentsIII)Amylopasts-store proteinIV) Aleuroplast-store oil & fatsV) Elaioplasts-store carbohydrates A) II & III. B) I, II & III. C) III, IV & V. D) I, & II. Show Answer Correct Answer: C) III, IV & V. 13. What did Hooke first examine? A) Pond water. B) Plant cells. C) Cork. D) Animal fat. Show Answer Correct Answer: C) Cork. 14. Which of the following is absent in prokaryotes? A) DNA. B) RNA. C) Plasma membrane. D) Mitochondria. Show Answer Correct Answer: D) Mitochondria. 15. Important site for formation of glycoproteins and glycolipids is A) Vacuole. B) Golgi apparatus. C) Plastid. D) Lysosome. Show Answer Correct Answer: B) Golgi apparatus. 16. Each peripheral fibril on the centriole is made up of ..... A) 1 microtubule. B) 2 microtubule. C) 3 microtubule. D) 4 microtubule. Show Answer Correct Answer: C) 3 microtubule. 17. Which of the following provides mechanical support and shape to the cell? A) Golgi complex. B) Centrioles. C) Nucleus. D) Endoplasmic reticulum (E.R.). Show Answer Correct Answer: D) Endoplasmic reticulum (E.R.). 18. Cristae increase surface area for: A) Protein synthesis. B) Lipid synthesis. C) ATP synthesis. D) DNA replication. Show Answer Correct Answer: C) ATP synthesis. 19. Amount of which one of the following is more in the nucleus but less in the chromosome ..... A) DNA. B) RNA. C) Histone proteins. D) Non-histone proteins. Show Answer Correct Answer: D) Non-histone proteins. 20. Which of the following occurs more than one and less than five in a chromosome? A) Chromatid. B) Chromosome. C) Centromere. D) Telomere. Show Answer Correct Answer: A) Chromatid. 21. Structure of cell membrane was proposed by ..... widely accepted as fluid mosaic model. A) Fredrick Sanger. B) Singer and Nicolson. C) Griffith. D) Marshall Nirenberg. Show Answer Correct Answer: B) Singer and Nicolson. 22. Ribosomes of eukaryotic cells are A) 60s and 40s. B) 70s and 30s. C) 50s and 30s. D) None. Show Answer Correct Answer: A) 60s and 40s. 23. Which of the cell is round and biconcave? A) Mesophyll cell. B) Tracheid. C) RBC. D) WBC. Show Answer Correct Answer: C) RBC. 24. The smallest cell is A) Ribosome. B) Animal cell. C) Egg of an ostrich. D) Mycoplasms. Show Answer Correct Answer: D) Mycoplasms. 25. Oxysome of mitochondria are concerned with: A) Photophosphorylation. B) Oxidative phosphorylation. C) Photorespiration. D) Digestion. Show Answer Correct Answer: B) Oxidative phosphorylation. ← 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