This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 6 Life Processes – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 6 Life Processes Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Raw material participating in the compilation A) Co2, and H2O. B) C6H12O6 and O2. C) Co2 and O2. D) C6H12O6 and H2O. Show Answer Correct Answer: A) Co2, and H2O. 2. Waste products are eliminated during perspiration. A) Circulation. B) Homeostasis. C) Excretion. D) Metabolism. Show Answer Correct Answer: C) Excretion. 3. Passage of inhaled air in human beings A) Trachea-lungs-larynx-pharynx-alveoli. B) Nose-larynx-pharynx-bronchus-alveoli-bronchioles. C) Nostril-pharynx-larynx-trachea-bronchi-bronchioles-alveoli. D) Nose-mouth-lungs. Show Answer Correct Answer: C) Nostril-pharynx-larynx-trachea-bronchi-bronchioles-alveoli. 4. Raw materials used in the autotrophic mode of nutrition is: A) Glucose, Starch, Fructose. B) Protein, Fats. C) Carbon dioxide, water. D) Hydrogen, Oxygen. Show Answer Correct Answer: C) Carbon dioxide, water. 5. Assertion:in the daytime, CO2 generated during respiration is used up forphotosynthesis.Reason:There is no CO2 release during day. 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: A) Both A and R are true and R is the correct explanation of A. 6. Guard cells are usually ..... A) Rectangular in shape. B) Pear-shaped. C) Spherical. D) Kidney shaped. Show Answer Correct Answer: D) Kidney shaped. 7. Bile is produced by ..... , stored in ..... , released by ..... A) Liver; duodenum; bile duct. B) Liver; gall bladder; bile duct. C) Gall bladder; liver; bile duct. D) Gall bladder; duodenum; bile duct. Show Answer Correct Answer: B) Liver; gall bladder; bile duct. 8. Passage of urine occur through: A) Kidney $\rightarrow$ urinary bladder $\rightarrow$ urethra $\rightarrow$ ureter. B) Urinary bladder $\rightarrow$ ureter $\rightarrow$ kidney $\rightarrow$ urethra. C) Kidney $\rightarrow$ ureter $\rightarrow$ urethra $\rightarrow$ urinary bladder. D) Kidney $\rightarrow$ ureter $\rightarrow$ urinary bladder $\rightarrow$ urethra. Show Answer Correct Answer: D) Kidney $\rightarrow$ ureter $\rightarrow$ urinary bladder $\rightarrow$ urethra. 9. The metal ion present in haemoglobin is: A) Ca. B) Mg. C) Na. D) Fe. Show Answer Correct Answer: D) Fe. 10. How many boxes of the human heart are A) 2. B) 4. C) 7. D) 8. Show Answer Correct Answer: B) 4. 11. Conduction of water in plants mainly occur through A) Tracheids. B) Companion cells. C) Sieve tubes. D) Stomata. Show Answer Correct Answer: A) Tracheids. 12. In amoeba, food is digested in the: A) Food vacuole. B) Mitochondria. C) Pseudopodia. D) Chloroplast. Show Answer Correct Answer: A) Food vacuole. 13. Which of the following is not related to vegetative propagation? A) Seed. B) Root. C) Stem. D) Leaf. Show Answer Correct Answer: A) Seed. 14. Identify the correct path of urine in the human body. A) Kidney $\rightarrow$ urinary bladder $\rightarrow$ urethra $\rightarrow$ ureter. B) Urinary bladder $\rightarrow$ ureter $\rightarrow$ kidney $\rightarrow$ urethra. C) Kidney $\rightarrow$ ureter $\rightarrow$ urethra $\rightarrow$ urinary bladder. D) Kidney $\rightarrow$ ureter $\rightarrow$ urinary bladder $\rightarrow$ urethra. Show Answer Correct Answer: D) Kidney $\rightarrow$ ureter $\rightarrow$ urinary bladder $\rightarrow$ urethra. 15. Only partial breakdown of glucose molecule (C$_{6}$H$_{12}$O$_{6}$) takes place in- A) Active respiration. B) Passive respiration. C) Anaerobic respiration. D) Aerobic respiration. Show Answer Correct Answer: C) Anaerobic respiration. 16. Instrument used to measure blood pressure is A) Barometer. B) Thermometer. C) Anemometer. D) Sphygmomanometer. Show Answer Correct Answer: D) Sphygmomanometer. 17. The energy carrier that the cell uses to power its day to day activities is A) ATP. B) NADH. C) Fadh $ _ {2} $. D) Glucose. Show Answer Correct Answer: A) ATP. 18. In unicellular organisms like amoeba gaseous exchange takes place through the process of ..... A) Osmosis. B) Transportation. C) Diffusion. D) Elimination. Show Answer Correct Answer: C) Diffusion. 19. Nitrogenous waste are formed by the breakdown of ..... A) Ammonia. B) Fat. C) Aminoacids. D) Carbohydrates. Show Answer Correct Answer: C) Aminoacids. 20. A plant is kept in dark cupboard for 48 hours before conducting any experiment on photosynthesis to A) Remove chlorophyll from the leaves. B) Remove starch from the plant. C) Ensure that no photosynthesis occurs. D) Ensure that leaves are free of starch. Show Answer Correct Answer: D) Ensure that leaves are free of starch. 21. What is the word equation for aerobic respiration in plants? A) Carbon dioxide + water $\rightarrow$ glucose + oxygen. B) Glucose + carbon dioxide $\rightarrow$ water + oxygen. C) Glucose + oxygen $\rightarrow$ carbon dioxide + water. D) None of the above. Show Answer Correct Answer: A) Carbon dioxide + water $\rightarrow$ glucose + oxygen. 22. Bile juice is secreted by A) STOMACH. B) PANCREAS. C) SMALL INTESTINE. D) LIVER. Show Answer Correct Answer: D) LIVER. 23. The substance in plants and animals that act as an energy currency. A) DNA. B) RNA. C) ADP. D) ATP. Show Answer Correct Answer: D) ATP. 24. Oxygenated blood reaches heart by A) Pulmonary artery. B) Aorta. C) Vena cava. D) Pulmonary vein. Show Answer Correct Answer: D) Pulmonary vein. 25. The autotrophic mode of nutrition requires A) Carbon dioxide and water. B) Chlorophyll. C) Sunlight. D) All of the above. Show Answer Correct Answer: D) All of the above. ← 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 6Class 10 Science Chapter 6 Life Processes Quiz 7Class 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