This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 6 Life Processes – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 6 Life Processes Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Chlorophyll has a porphyrin ring with ..... at the centre. A) Iron (Fe). B) Chromium (Cr). C) Magnesium (Mg). D) Carbon (C). Show Answer Correct Answer: C) Magnesium (Mg). 2. How many circuits are there in human circulatory system? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 3. The difference between living and dishonesty A) Physical structure. B) Color. C) Office. D) The acts of life. Show Answer Correct Answer: D) The acts of life. 4. The correct path in urine formation is A) Kidney-ureter-bladder-urethra. B) Bladder-kidney-ureter-urethra. C) Kidney-ureter-urethra-bladder. D) Kidney-bladder-urethra-ureter. Show Answer Correct Answer: A) Kidney-ureter-bladder-urethra. 5. 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. 6. The kidneys in human beings are part of ..... A) Nutrition. B) Respiration. C) Excretion. D) Circulation. Show Answer Correct Answer: C) Excretion. 7. What is the main function of the small intestine in the human digestive system? A) Absorption of nutrients. B) Production of bile. C) Filtration of blood. D) Storage of waste. Show Answer Correct Answer: A) Absorption of nutrients. 8. Assertion:Raw materials needed for photosynthesis are carbon dioxide, water and minerals.Reason:Nutrients provide energy to an organism. A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is not the correct explanation of A. C) A is true but R is false. D) A is false but R is true. Show Answer Correct Answer: B) Both A and R are true but R is not the correct explanation of A. 9. Roots of the plants absorb water from the soil through the process of: A) Diffusion. B) Transpiration. C) Osmosis. D) None of these. Show Answer Correct Answer: C) Osmosis. 10. How many pairs of salivary glands are found inhumans? A) Two. B) Three. C) Six. D) Four. Show Answer Correct Answer: B) Three. 11. Which is the correct sequence for the mechanism of digestion? A) Digestion, Ingestion, Absorption, Assimilation and Egestion. B) Ingestion, Digestion, Absorption, Assimilation and Egestion. C) Digestion, Assimilation, Egestion, Absorption and Assimilation. D) Absorption, Assimilation, Digestion, Ingestion and Egestion. Show Answer Correct Answer: B) Ingestion, Digestion, Absorption, Assimilation and Egestion. 12. The exit of unabsorbed food material is regulated by A) Liver. B) Anus. C) Small intestine. D) Anal sphincter. Show Answer Correct Answer: D) Anal sphincter. 13. Which of the following structures is involved in gaseous exchange in woody stem of a plant? A) Stomata. B) (a) Lenticel. C) (c) Guard cell. D) None of the above. Show Answer Correct Answer: C) (c) Guard cell. 14. The mode of nutrition in Cuscuta A) Saprophytic. B) Parasitic. C) Holozoic. D) Autotrohpic. Show Answer Correct Answer: B) Parasitic. 15. In anaerobic respiration the amount of ATP produced overall is A) 2 ATP. B) 38 ATP. C) 36 ATP. D) 40 ATP. Show Answer Correct Answer: B) 38 ATP. 16. All producers show A) Heterotrophic nutrition. B) Autotrophic nutrition. C) Holozoic nutrition. D) Both A and B. Show Answer Correct Answer: B) Autotrophic nutrition. 17. Muscular structure that helps to expand and contract the lungs, forcing air in and out A) Pharynx. B) Nasal cavity. C) Alveoli. D) Diaphragm. Show Answer Correct Answer: D) Diaphragm. 18. The process of transpiration in plants helps in: A) Opening of stomata. B) Absorption of CO2 from atmosphere. C) Upward conduction of water and minerals. D) Absorption of O2 from atmosphere. Show Answer Correct Answer: C) Upward conduction of water and minerals. 19. Where is the dirty blood in our body filtered? A) Heart. B) Lungs. C) Ureter. D) Kidneys. Show Answer Correct Answer: D) Kidneys. 20. Assertion:Lungs become empty after the forceful expiration.Reason:The forcefully exhaled air is called the residual volume of air. A) Both A and R are true and R is the correct explanation of the A. B) Both A and R are true but R is not the correct explanation of the A. C) A is true but R is false. D) Both A and R are false. Show Answer Correct Answer: D) Both A and R are false. 21. What are the products obtained by anaerobic respiration in muscle cells? A) Lactic acid + Energy. B) Carbon dioxide + Water + Energy. C) Ethanol + Carbon dioxide + Energy. D) Pyruvate. Show Answer Correct Answer: A) Lactic acid + Energy. 22. When air is blown from mouth into a test-tube containing lime water, the lime water turned milky due to the presence A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) Water vapour. Show Answer Correct Answer: B) Carbon dioxide. 23. Teeth are covered with a thin coating of A) Dentine. B) Crown. C) Enamel. D) Cementum. Show Answer Correct Answer: C) Enamel. 24. Air that deliver from bronchioles are exchanged here. It is tiny air sacs and looks like grape. A) Lung. B) Nostril. C) Alveolus. D) Trachea. Show Answer Correct Answer: C) Alveolus. 25. The heart chamber having the thickest muscular wall is A) Left atrium. B) Right atrium. C) Right ventricle. D) Left ventricle. Show Answer Correct Answer: D) Left ventricle. ← 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 4Class 10 Science Chapter 6 Life Processes Quiz 5Class 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