This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 8 Cell The Unit Of Life – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. During metaphase II stage of meiosis II, which of the following structures of chromosome is attached to spindle fibers? A) Centromere. B) Satellite. C) Secondary constriction. D) Kinetochore. Show Answer Correct Answer: D) Kinetochore. 2. Which one of the following cellular parts is correctly described A) Centrioles-Sites for active RNA synthesis. B) Ribosomes-Those on chloroplasts are larger (80S) whilethose in the cytoplasm are smaller (70S). C) Lysosomes-Optimally active at a pH of about 8.5. D) Thylakoids-Flattened membranous sacs forming the granaof chloroplasts. Show Answer Correct Answer: D) Thylakoids-Flattened membranous sacs forming the granaof chloroplasts. 3. In prokaryotic cell the nucleus is A) Primitive type. B) Complex. C) Doubled membrane. D) None. Show Answer Correct Answer: A) Primitive type. 4. If you fractionate all the organelles from the cytoplasm of a plant cell, in which one the following sets of fractions will you find nucleic acids? A) Nucleus, Mitochondria, Chloroplast, Cytoplasm. B) Nucleus, Chloroplast, Mitochondria, Glyoxysome. C) Nucleus, Chloroplast, Cytoplasm, Peroxisome. D) Nucleus, Mitochondria, Chloroplast, Golgi bodies. Show Answer Correct Answer: A) Nucleus, Mitochondria, Chloroplast, Cytoplasm. 5. "Palade particles" are: A) Ribosomes. B) Golgi vesicles. C) Lysosomes. D) Sphaerosomes. Show Answer Correct Answer: A) Ribosomes. 6. The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monograph are known as A) Microtubules. B) Microfilaments. C) Intermediate filaments. D) Lamins. Show Answer Correct Answer: B) Microfilaments. 7. Read the given statements. P:It can occupy upto 90% volume of a plant cell. Q:It contains water, sap as well as excretory products. Identify the cell organelle on the basis of above features. A) Lysosome. B) Vacuole. C) Ribosomes. D) Peroxisome. Show Answer Correct Answer: B) Vacuole. 8. Match List I and List II and select the correct answer using the code given below the lists List I List II 1. Microtubules Structural components of cilia 2. Centrioles Store hydrolytic enzymes 3. Peroxisomes Store oil protein and starch in plants A) 1, 2 and 3 are correct. B) 1 and 2 are correct, 3 is false. C) 1 is correct, 2 and 3 are false. D) 1 and 3 are correct, 2 is false. Show Answer Correct Answer: C) 1 is correct, 2 and 3 are false. 9. Nucleolus in eukaryotic cell is: A) Non-living. B) Visible at metaphase. C) Bounded by a membrane. D) The site of synthesis of r-RNA with proteins. Show Answer Correct Answer: D) The site of synthesis of r-RNA with proteins. 10. CYTOPLASM HAS/IS ..... A) BLUE COLOUR. B) RED COLOUR. C) WHITE COLOUE. D) COLOURLESS. Show Answer Correct Answer: D) COLOURLESS. 11. Which of the following do not possess lipoproteinaceous membrane? A) Lysosomes. B) ER. C) Ribosomes. D) GC. Show Answer Correct Answer: C) Ribosomes. 12. ..... organelle(s) can be used to differentiate between cells of Pinus and Periplaneta americana. A) Plastids. B) Centrosome. C) Centriole. D) All the above. Show Answer Correct Answer: D) All the above. 13. Select the option which is not correct with respect to enzyme action: A) Substrate binds with enzyme at its active site. B) Addition of lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate. C) A non-competitive inhibitor binds the enzyme at a site distinct from that which binds the substrate. D) Malonate is a competitive inhibitor of succinic dehydrogenase. Show Answer Correct Answer: B) Addition of lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate. 14. The endoskeleton of cell is made up of ..... A) Cell wall. B) Endoplasmic reticulum. C) Cytoplasm. D) Mitochondria. Show Answer Correct Answer: B) Endoplasmic reticulum. 15. Surface of Golgi cisternae towards nucleus is called ..... face and towards plasma membrane is ..... face. A) Maturing, forming. B) Cis, trans. C) Trans, cis. D) Forming, maturing. Show Answer Correct Answer: B) Cis, trans. 16. The strength and rigidity of a cell wall is due to the substance known as A) Suberin. B) Cellulose. C) Lignin. D) Pectin. Show Answer Correct Answer: C) Lignin. 17. Which of the following is incorrect matching? A) Round and biconcave-RBC. B) Amoeboid-WBC. C) Elongated-Tracheid. D) Long and narrow-Nerve cells. Show Answer Correct Answer: D) Long and narrow-Nerve cells. 18. Which of the following is a part of endomembrane system of eukaryotic cell? A) Peroxisomes. B) Chloroplasts. C) Mitochondria. D) Golgi complexes. Show Answer Correct Answer: D) Golgi complexes. 19. Cellular organelles with single & double membranes respectively are- A) Endoplasmic reticulum, Ribosomes &Chloroplast. B) Lysosomes, Golgi & mitochondria. C) Nucleus, Ribosomes & Mitochondria. D) Chromosome, ribosome & endoplasmicreticulum. Show Answer Correct Answer: B) Lysosomes, Golgi & mitochondria. 20. Find out the incorrect statement A) Centrioles forms basal bodies of cilia or flagella. B) Centriole gives rise to spindle fibres at the time of cell division in animal cell. C) Centriole gives rise to spindle fibres at the time of cell division in animal cell. D) Peripheral fibril of centriole is doublet. Show Answer Correct Answer: B) Centriole gives rise to spindle fibres at the time of cell division in animal cell. 21. Who stated 'Omnis cellula e cellula'? A) Anton Von Leeuwenhoek. B) Robert brown. C) Rudolf virchow. D) None of the above. Show Answer Correct Answer: C) Rudolf virchow. 22. Cell envelope consist of A) Plasma membrane+cell wall+glycocaylx. B) Plasma membrane+cell wall. C) Cell wall+glycocalyx. D) Only glycocalyx. Show Answer Correct Answer: A) Plasma membrane+cell wall+glycocaylx. 23. Select the wrong statement with respect to the structure of a plant cell. A) Cellulosic cell wall is present inside the cell membrane. B) Centrioles are usually absent. C) A large central vacuole is present. D) Golgi apparatus is formed of a number of unconnected units called dictyosomes. Show Answer Correct Answer: A) Cellulosic cell wall is present inside the cell membrane. 24. Keeping in view the 'fluid mosaic model' of cell membrane, which of the following is correct regarding flip-flop movement? A) While proteins can flip-flop, lipids cannot. B) Neither lipids nor proteins can flip-flop. C) Both lipids and proteins can flip-flop. D) While lipids can rarely flip-flop, proteins cannot. Show Answer Correct Answer: D) While lipids can rarely flip-flop, proteins cannot. 25. Genes are ..... A) Found in the chromosomes. B) Made up of DNA. C) Carry hereditary characteristics from the parents to offspring. D) All of the above. Show Answer Correct Answer: D) All of the above. ← 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