This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 6 Life Processes – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 6 Life Processes Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following statements about autotrophs is incorrect? A) They synthesise carbohydrates by using carbon dioxide, water in presence of sunlight and chlorophyll. B) They store carbohydrates in form of starch. C) They convert carbon dioxide and water into carbohydrates in the absence of sunlight. D) They form the first trophic level in food chain. Show Answer Correct Answer: C) They convert carbon dioxide and water into carbohydrates in the absence of sunlight. 2. The extracellular fluid released from the capillaries is: A) Serum. B) Plasma. C) Lymph. D) Mucus. Show Answer Correct Answer: C) Lymph. 3. The site of photosynthesis in plant cell is A) Mitochondria. B) Chloroplast. C) Ribosomes. D) Endoplasmic reticulum. Show Answer Correct Answer: B) Chloroplast. 4. What does the left side of the heart do? A) The left side of the heart pumps blood through the lungs where it gets oxygen. SHOW ANSWER. B) The left side of the heart receives the blood containing oxygen and pumps blood to the rest of the body. C) The left side of the heart controls the muscles on the left side of the body,. D) The left side of the heart supplys our arms with blood. Show Answer Correct Answer: B) The left side of the heart receives the blood containing oxygen and pumps blood to the rest of the body. 5. The enzymes contained in pancreatic juices help in the digestion of: A) Fats and carbohydrates. B) Proteins and fats. C) Proteins and carbohydrates. D) Proteins, fats and carbohydrates. Show Answer Correct Answer: D) Proteins, fats and carbohydrates. 6. The human body produces hormones, vitamins, proteins, enzymes, etc. to keep it functioning. A) Homeostasis. B) Regulation. C) Circulation. D) Metabolism. Show Answer Correct Answer: D) Metabolism. 7. Name the tissue responsible for the transportation of sugar and amino acids in plants. A) Xylem. B) Stomata. C) Root hairs. D) Flam. Show Answer Correct Answer: D) Flam. 8. Which of the following help in protecting the inner lining of the stomach from the harmful effect of hydrochloric acid? A) Mucus. B) Pepsin. C) Trypsin. D) Bile. Show Answer Correct Answer: A) Mucus. 9. The pancreatic juice doesn't contain following enzymes A) TRYPSIN. B) AMYLASE. C) LIPASE. D) PTYALIN. Show Answer Correct Answer: D) PTYALIN. 10. The opening and closing of the stomatal pore depends upon A) Oxygen. B) Temperature. C) Water in guard cells. D) Concentration of CO2 in stomata. Show Answer Correct Answer: C) Water in guard cells. 11. Difference between pepsin and trypsin is ..... A) They work on different types of proteins. B) They are secreted by different parts of the body viz. stomach, Pancreas respectively. C) Trypsin do not need acidic environment unlike of pepsin. D) All of the above. Show Answer Correct Answer: D) All of the above. 12. ) Chamber of heart that pumps blood to various organs. A) Auricle. B) Artery. C) Ventricles. D) Vena cava. Show Answer Correct Answer: C) Ventricles. 13. What happens to the unused carbohydrates produced in the plant body? A) Gets broken down and dissipated as heat. B) Transported to stem in the form of glycogen. C) Expelled from plant body through excretion. D) Stored in the form of starch for future use. Show Answer Correct Answer: D) Stored in the form of starch for future use. 14. What are the two gases that animals exchange with their surrounding? A) Oxygen and nitrogent. B) Hydrogen and carbon dioxide. C) Nitrogen and helium. D) Carbon dioxide and oxygen. Show Answer Correct Answer: D) Carbon dioxide and oxygen. 15. Amylase works on A) Protein. B) Lipids. C) Starch. D) None of the above. Show Answer Correct Answer: C) Starch. 16. Nephrons pour their excretory products in ..... A) Uriniferous tubules. B) Collecting tubules. C) Kidneys. D) Ureter. Show Answer Correct Answer: B) Collecting tubules. 17. Which of the following is not necessary for photosynthesis A) Chlorophyll. B) Carbon dioxide gas. C) Oxygen. D) Water. Show Answer Correct Answer: C) Oxygen. 18. Which Part Of Alimentary Canal Receives Bile From The Liver? A) Stomach. B) Oesophagus. C) Large intestine. D) Small intestine. Show Answer Correct Answer: D) Small intestine. 19. How does carbon dioxide get into the leaves of a plant? A) It's absorbed by the roots. B) It's made in a chemical reaction in the stem. C) It enters through the stomata. D) It goes through the flowers. Show Answer Correct Answer: C) It enters through the stomata. 20. The movement of food in phloem is called: A) Respiration. B) Translocation. C) Evaporation. D) Transpiration. Show Answer Correct Answer: B) Translocation. 21. Left side of heart has A) Oxygenated blood. B) Deoxygenated blood. C) All the above. D) None of the above. Show Answer Correct Answer: B) Deoxygenated blood. 22. Saliva in the mouth converts ..... into ..... A) Proteins, amino acids. B) Glycogen, glucose. C) Starch, maltose. D) Fats, vitamins. Show Answer Correct Answer: C) Starch, maltose. 23. When air is blown through lime water it turns milky because of ..... A) Water. B) Carbon Dioxide. C) Limestone. D) Calcium Oxide. Show Answer Correct Answer: B) Carbon Dioxide. 24. The procedure used for cleaning the blood of a person by separating urea from it is called: A) Osmosis. B) Filtration. C) Dialysis. D) Double circulation. Show Answer Correct Answer: C) Dialysis. 25. Which among the following procedures is used for cleaning the blood of a person by separating the waste substance from it? A) Kidney transplant. B) Blood transfusion. C) Dialysis. D) Hydrolysis. Show Answer Correct Answer: C) Dialysis. ← PreviousNext →Related QuizzesClass 10 Science Chapter 6 Life Processes Quiz 1Class 10 Science Chapter 6 Life Processes Quiz 2Class 10 Science Chapter 6 Life Processes Quiz 3Class 10 Science Chapter 6 Life Processes Quiz 5Class 10 Science Chapter 6 Life Processes Quiz 6Class 10 Science Chapter 6 Life Processes Quiz 7Class 10 Science Chapter 6 Life Processes Quiz 8Class 10 Science Chapter 6 Life Processes Quiz 9Class 10 Science Chapter 6 Life Processes Quiz 10Class 10 Science Chapter 6 Life Processes Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books