This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 8 Cell The Unit Of Life – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 22 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Mitochondria divide by fission A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. According to most recent studies, each chromosome consists of A) Single double helical DNA which is highly coiled and folded. B) Variable number of DNA helices, depending upon the length of chromosome. C) Many small DNA helices, which are joined by peptide linkages. D) Small DNA helices, wrapped around each other like a rope. Show Answer Correct Answer: A) Single double helical DNA which is highly coiled and folded. 3. In human beings, the membrane of the erythrocyte has approximately ..... protein and ..... lipids. A) 70%, 30%. B) 52%, 40%. C) 55%, 47%. D) 40%, 50%. Show Answer Correct Answer: D) 40%, 50%. 4. Golgi body is associated with A) Packaging and storage of material. B) Cell plate formation. C) Secretion of different substances. D) All of the above. Show Answer Correct Answer: D) All of the above. 5. Who proposed the hypothesis that the bodies of animals and plants are composed of cells andproduct of cells? A) Schleiden. B) Schwann. C) Both a and b. D) None of these. Show Answer Correct Answer: B) Schwann. 6. Select the correct statement from the following regarding cell membrane. A) NA+ and K+ ions move across cell membrane by passive transport. B) Proteins make up 60 to 70 per cent of the cell membrane. C) Lipids are arranged in a bilayer with polar heads towards the inner part. D) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson. Show Answer Correct Answer: D) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson. 7. In majority of higher animals and plants, growth and reproduction are ..... events. A) Mutually exclusive. B) Mutually inclusive. C) Either a or b. D) None. Show Answer Correct Answer: A) Mutually exclusive. 8. Which one of the following is not a constituent of cell membrane? A) Glycolipids. B) Proline. C) Phopholipids. D) Cholesterol. Show Answer Correct Answer: B) Proline. 9. Colorless plastids are known as A) Leucoplasts. B) Chromoplasts. C) Chloroplasts. D) None of the above. Show Answer Correct Answer: A) Leucoplasts. 10. Integral cell membrane proteins. A) Are partially embedded in lipid layers. B) Are completely embedded in lipid layers. C) Show lateral but not vertical movements within bilayer of lipid. D) All of these. Show Answer Correct Answer: D) All of these. 11. Polymers of nucleotides in prokaryotes can be found in A) Gas vacuole. B) Cytoplasm. C) Plasma membrane. D) Periplasmic space. Show Answer Correct Answer: B) Cytoplasm. 12. Endoplasmic reticulum is more developed in ..... A) Green cells. B) Young cells. C) Mature cells. D) Bacteriophage. Show Answer Correct Answer: B) Young cells. 13. Which of the following statements is not true with respect to semi-autonomous organelle observed in plants and animals both A) It has gel like material inside the inner membrane known as stroma. B) It has stacked structure of thylakoids known as Grana. C) It has appressed and non-appresed regions in grana. D) All of the above. Show Answer Correct Answer: D) All of the above. 14. Rough and smooth ER differ in: A) Site of detoxification. B) Presence or absence of ribosomes. C) Type of DNA. D) Type of lipids present. Show Answer Correct Answer: B) Presence or absence of ribosomes. 15. Match column I with Column II and select the correct option from the codes given below. Column I Column IIA Nucleolus (i) Lipid storageB Sphaerosomes (ii) Glycolate metabolismC Peroxisomes (iii) Transport of macromoleculesD Plasmodesmata (iv) RNA synthesis A) A-(iv) B-(i) C-(iii) D-(ii). B) A-(i) B-(ii) C-(iv) D-(iii). C) A-(iv) B-(i) C-(ii) D-(iii). D) A-(i) B-(ii) C-(iii) D-(iv). Show Answer Correct Answer: C) A-(iv) B-(i) C-(ii) D-(iii). 16. Who is the first person to identify cells using microscope? A) Robert Hooke. B) Theodor. C) Khoo Kay Kim. D) Hooke. Show Answer Correct Answer: A) Robert Hooke. 17. Nuclear envelope is a derivative of A) Microtubules. B) RER. C) SER. D) Membrane of Golgi complex. Show Answer Correct Answer: B) RER. 18. Centrioles are found in: A) Chromosomes. B) Nucleus. C) Centrosome. D) Centromere. Show Answer Correct Answer: C) Centrosome. 19. Who proposed the "cell lineage theory" by stating "Omnis cellula e cellula" ? A) Karl Nageli. B) Rudolf Virchow. C) Schwann. D) Anton Von Leeuwenhoek. Show Answer Correct Answer: B) Rudolf Virchow. 20. As they release hydrolase that digest old and damaged cells, the term suicide is aptly used by cell biologists for A) Golgi-bodies. B) Lysosomes. C) Glyoxysomes. D) Peroxisomes. Show Answer Correct Answer: B) Lysosomes. 21. Cell which has naked double-stranded circular DNA is A) S and 80S ribosomes present. B) Histone proteins present. C) Compartmentalisation of cytoplasm absent. D) None of the above. Show Answer Correct Answer: C) Compartmentalisation of cytoplasm absent. 22. Algae have cell wall made of A) Cellulose. B) Galactans. C) Calcium carbonate. D) All the above. Show Answer Correct Answer: A) Cellulose. 23. A ..... cell contains several membrane-bound organelles, and is capable of producing multicellular life. A) Prokaryotic. B) Eukaryotic. C) Cell membrane. D) Humanotic cell. Show Answer Correct Answer: B) Eukaryotic. 24. A organelle which does respiration in prokaryotes A) Mesosome. B) Chromatophore. C) Inclusion bodies. D) Plasma membrane. Show Answer Correct Answer: A) Mesosome. 25. What is the meaning of unicellular? A) A organism with only one cell. B) Organism with more than one cell. C) A organism without cell. D) A organsim which is big. Show Answer Correct Answer: A) A organism with only one cell. ← 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