This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 6 Life Processes – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 6 Life Processes Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. To be discharged in the form of a steam of water from the leaves of the plant A) Syrian action. B) Trans Location. C) Root pressure. D) Village pressure. Show Answer Correct Answer: A) Syrian action. 2. Examples of actions of life A) Nutrition. B) Breathing action. C) Examination work. D) High insertion of all. Show Answer Correct Answer: D) High insertion of all. 3. In which part of the alimentary canal food is finally digested? A) Large intestine. B) Stomach. C) Small intestine. D) Mouth Cavity. Show Answer Correct Answer: C) Small intestine. 4. Aerobic respiration is different from anaerobic respiration in that aerobic respiration needs ..... A) Chlorophyll. B) Carbon dioxide. C) Glucose. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 5. ..... is the final product of glycolysis. A) Carbon dioxide. B) ATP. C) Pyruvic acid. D) Acetyl coA. Show Answer Correct Answer: C) Pyruvic acid. 6. Which part of the plant takes in carbon dioxide from the air for photosynthesis? A) Root hairs. B) Stomata. C) Leaf veins. D) Sepals. Show Answer Correct Answer: B) Stomata. 7. When a few drops of iodine solution are added to rice water, the solution turns blue-black in colour. This indicates that rice water contains: A) Fats. B) Starch. C) Complex protein. D) Simple protein. Show Answer Correct Answer: B) Starch. 8. 10) Movement of the synthesized products from the leaves to the roots and other parts of a plant's body takes place through the phloem. This process is known as: A) Translocation. B) Transpiration. C) Transportation. D) Excretion. Show Answer Correct Answer: A) Translocation. 9. What is the function of the respiratory system A) Take in O2 only. B) Remove CO2 only. C) Take in O2 ad remove CO2. D) Make sugar. Show Answer Correct Answer: C) Take in O2 ad remove CO2. 10. What are the products of photosynthesis? A) Carbon dioxide and water. B) Carbon dioxide and oxygen. C) Glucose and oxygen. D) Glucose and water. Show Answer Correct Answer: C) Glucose and oxygen. 11. What are the raw materials of photosynthesis? A) Oxygen and carbon dioxide. B) Oxygen and glucose. C) Carbon dioxide and water. D) Water and glucose. Show Answer Correct Answer: C) Carbon dioxide and water. 12. The Human respiratory system exists in: A) Abdominal cavity. B) Thoracic cavity. C) Pleural cavity. D) None of the above. Show Answer Correct Answer: B) Thoracic cavity. 13. Scientist discovered and classified animals into two groups which is Vertebrates and Invertebrates. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. Process where food is broken down to release chemical energy. Occurs in the mitochondria. A) Cellular Respiration. B) Photosynthesis. C) Active Transport. D) Passive Transport. Show Answer Correct Answer: A) Cellular Respiration. 15. If salivary amylase is lacking in saliva, which of the event in mouth will be affected A) Proteins breaking down into amino acids. B) Starch breaking down into sugars. C) Fats breaking down into fatty acids and glycerol. D) Absorption of vitamins. Show Answer Correct Answer: B) Starch breaking down into sugars. 16. Which out of them is the raw material for photosynthesis? A) Carbon Dioxide. B) Water. C) Oxygen. D) All of the above. Show Answer Correct Answer: D) All of the above. 17. The ..... is the most photosynthetic part of a plant. A) Leaf. B) Flower. C) Roots. D) Stem. Show Answer Correct Answer: A) Leaf. 18. Which of the following is correct:The role of nasal cavity in human respiratory system (i) Filtration of inhaled air. (ii) Removal of germs and dust.(iii) Moistening of the inhaled air. A) (I) & (II). B) (ii) & (iii). C) All of these. D) None of these. Show Answer Correct Answer: B) (ii) & (iii). 19. What is cellular respiration? A) The breakdown of glucose to release ATP. B) The breakdown of glucose to release NADH. C) The breakdown of glucose to release FADH. D) The breakdown of glucose to release carbon. Show Answer Correct Answer: A) The breakdown of glucose to release ATP. 20. The lamina is broad to increase surface area for maximum absorption of light energy. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. Assertion (A):The excretory unit of kidney is nephron. Reason(R):It carries out filtration, selective absorption and tubular secretion to form urine in kidney. A) Both assertion (A) and reason(R)are true and reason(R)is the correct explanation of assertion(A). B) Both assertion (A) and reason(R) are true but reason (R) is not the correct explanation of assertion (A). C) Assertion (A) is true but reason(R) is false. D) Assertion (A) is false but reason (R)is true. Show Answer Correct Answer: A) Both assertion (A) and reason(R)are true and reason(R)is the correct explanation of assertion(A). 22. Which of these parts is not part of the human system extraction A) Kidney. B) Bladder. C) O and Ta. D) Vinikiva. Show Answer Correct Answer: D) Vinikiva. 23. A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates the rice water has A) Complex proteins. B) Simple proteins. C) Starch. D) Fats. Show Answer Correct Answer: A) Complex proteins. 24. The green pigment used in photosynthesis is A) Phytochrome. B) Chlorophyll. C) Hemoglobin. D) None. Show Answer Correct Answer: B) Chlorophyll. 25. Sometimes we get painful cramps in our leg muscles after running for a long time due to the accumulation of: A) Hydrochloric acid. B) Fat. C) Carbon dioxide. D) Lactic acid. Show Answer Correct Answer: D) Lactic acid. 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