This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Science > Life Processes > Class 10 Science Chapter 6 Life Processes – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 6 Life Processes Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. During vigorous physical exercise, lactic acid is formedfrom glucose inside the muscle cells because A) There is lack of oxygen. B) There is lack of water. C) There is excess of carbon dioxide. D) None of the above. Show Answer Correct Answer: A) There is lack of oxygen. 2. Mode of nutrition where an organism derives its food from the body of another living organism without killing it: A) Heterotrophic nutrition. B) Parasitic nutrition. C) Holozoic nutriton. D) Saprophytic nutrtion. Show Answer Correct Answer: B) Parasitic nutrition. 3. Anazim that turns Starch in simple sugar A) Lipase. B) Pepsin. C) Amylase. D) Trypsin. Show Answer Correct Answer: C) Amylase. 4. Which of the following events in the mouth cavity will be affected if salivary amylase is lacking in the saliva? A) Starch breaking down into sugars. B) Proteins breaking down into amino acids. C) Absorption of vitamins. D) Fats breaking down into fatty acids and glycerol. Show Answer Correct Answer: A) Starch breaking down into sugars. 5. Which action occurs during inhalation? A) Rib cage upwards. B) Air going out. C) Intercoastal muscle relaxes. D) DEALER. Show Answer Correct Answer: A) Rib cage upwards. 6. The excretory unit of the human excretory system is known as: A) Nephron. B) Kidneys. C) Neuron. D) Nephridia. Show Answer Correct Answer: A) Nephron. 7. The process of formation of ammonia in the liver from excess of amino acids is called A) Detoxification. B) Egestion. C) Deamination. D) Translation. Show Answer Correct Answer: C) Deamination. 8. Name the glands associated with the Human Digestive System? A) Only salivary glands and pancreas. B) Only salivary glands and liver. C) Only liver and pancreas. D) Salivary Glands, Liver and Pancreas. Show Answer Correct Answer: D) Salivary Glands, Liver and Pancreas. 9. ..... artery carries deoxygenated blood. A) Pulmonary. B) Renal. C) Aortic. D) Inferior. Show Answer Correct Answer: A) Pulmonary. 10. Pancreas pour secretions into A) Large intestine. B) Oesophagus. C) Duodenum. D) Stomach. Show Answer Correct Answer: C) Duodenum. 11. Amoeba captures its food with the help of ..... A) Pseudopodia. B) Claws. C) Cillia. D) Tentacles. Show Answer Correct Answer: A) Pseudopodia. 12. Which vein brings back clean blood from lungs to heart A) Vena cava. B) Aarta. C) Pulmonary artery. D) Pulmonary vein. Show Answer Correct Answer: D) Pulmonary vein. 13. What is the ultimate ORIGINAL source of energy for living things A) Carbon Dioxide. B) Sun. C) Sugar. D) Moon. Show Answer Correct Answer: B) Sun. 14. Chlorophyll pigment is located in which organelle of a cell? A) Chloroplast. B) Mitochondria. C) Plastid. D) Vacuole. Show Answer Correct Answer: A) Chloroplast. 15. The xylem in plants are responsible for A) (d) transport of oxygen. B) (c) transport of amino acids. C) (b) transport of food. D) Transport of water. Show Answer Correct Answer: D) Transport of water. 16. Drains that take blood to different organs from the heart A) Waste. B) Vein. C) Artery. D) Valve. Show Answer Correct Answer: C) Artery. 17. Which process converts light energy to chemical energy? A) Respiration. B) Photosynthesis. C) Transpiration. D) Transportation of water and minerals. Show Answer Correct Answer: B) Photosynthesis. 18. How is food transported to the food vacuole of paramecium? A) Food vacuole directly captures the food. B) By contractile vacuole. C) By movement of cilia. D) By pseudopodia. Show Answer Correct Answer: C) By movement of cilia. 19. A:The length of the small intestine in cows is longer than in tigers.R:Cellulose digestion takes lesser time than the digestion of flesh. 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) A is false but R is true. Show Answer Correct Answer: C) A is true but R is false. 20. Temporary finger like extensions on amoeba are called A) CELL MEMBRANE. B) CELL WALL. C) Pseudopodia. D) Cillia. Show Answer Correct Answer: C) Pseudopodia. 21. The mode of nutrition found in fungi is Parasitic Nutrition A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 22. Which of the following statement(s) is (are) true about respiration? A) During inhalation, ribs move inward and diaphragm is raised. B) In the alveoli, exchange of gases takes place i.e., oxygen from alveolar air diffuses into blood. C) Carbon dioxide from alveolar air sacs into blood. D) Haemoglobin has greater affinity for carbon dioxide than oxygen Alveoli does not help in increasing surface area for exchange of gases. Show Answer Correct Answer: B) In the alveoli, exchange of gases takes place i.e., oxygen from alveolar air diffuses into blood. 23. What are the temporary projections made in amoeba called? A) Walking legs. B) Limbs. C) Pseudopodia. D) None of these. Show Answer Correct Answer: C) Pseudopodia. 24. Lymph does not comprise of A) Nitrogenous Waste. B) Red Blood Corpuscles. C) Lymphocytes. D) Leucocytes. Show Answer Correct Answer: B) Red Blood Corpuscles. 25. Glycolysis takes place in the ..... of the cell. A) Cytoplasm. B) Golgi complex. C) Ribosomes. D) Mitochondria. Show Answer Correct Answer: A) Cytoplasm. 26. Which is NOT a respiratory structure found in animals? A) Lungs. B) Fur. C) Skin. D) Gills. Show Answer Correct Answer: B) Fur. 27. What is called the process of intake of nutrients and utilization for growth and development ..... ? A) Nutrients. B) Nutrition. C) Life process. D) None of the above. Show Answer Correct Answer: B) Nutrition. 28. The breakdown of pyruvate to give carbon di-oxide, water and energy takes place in A) Cytoplasm. B) Nucleus. C) Chloroplast. D) Mitochondria. Show Answer Correct Answer: D) Mitochondria. 29. What are the products obtained by anaerobic respiration in plants? A) Ethanol + Carbon dioxide + Energy. B) Lactic acid + Energy. C) Carbon dioxide + Water + Energy. D) Pyruvate. Show Answer Correct Answer: A) Ethanol + Carbon dioxide + Energy. 30. Bile is produced in A) Gall bladder. B) Pancreas. C) Liver. D) Duodenum. Show Answer Correct Answer: C) Liver. 31. Choose the correct path of urine in our body A) Kidney $\rightarrow$ urinary bladder $\rightarrow$ urethra $\rightarrow$ ureter. B) Urinary bladder $\rightarrow$ kidney $\rightarrow$ ureter $\rightarrow$ urethra. C) Kidney $\rightarrow$ ureters $\rightarrow$ urinary bladder $\rightarrow$ urethra. D) Kidney $\rightarrow$ ureter $\rightarrow$ urethra $\rightarrow$ urinary bladder. Show Answer Correct Answer: C) Kidney $\rightarrow$ ureters $\rightarrow$ urinary bladder $\rightarrow$ urethra. 32. Digestion of starch starts from: A) Oesophagus. B) Intestine. C) Mouth. D) Stomach. Show Answer Correct Answer: C) Mouth. 33. A flap of tissue that prevents blood from flowing backward A) Valve. B) Atrium. C) Aorta. D) Septum. Show Answer Correct Answer: A) Valve. 34. Which part of the alimentary canal will absorb the digested food A) Stomach. B) Large intestine. C) Small intestine. D) Anus. Show Answer Correct Answer: C) Small intestine. 35. Where is Mesophyll present? A) Upper Epidermis. B) Lower Epidermis. C) Both (a) and (b). D) Between Upper and Lower Epidermis. Show Answer Correct Answer: D) Between Upper and Lower Epidermis. 36. Blood consist of what fluid medium? A) LYMPH. B) PLATELETS. C) PLASMA. D) ALL OF THESE. Show Answer Correct Answer: C) PLASMA. 37. 8) Which part of nephron allows the selective re absorption of useful substances like glucose, amino acids, salts and water into the blood capillaries? A) Bowman's capsule. B) Ureter. C) Tubule. D) Glomerulus. Show Answer Correct Answer: C) Tubule. 38. Food prepared in leaves is translocated by the A) Xylem. B) Flam. C) Epidermis. D) Pith. Show Answer Correct Answer: B) Flam. 39. From which structure, the free oxygen gas producedduring photosynthesis is released? A) Guard cell. B) Cortex. C) Epidermis. D) Stomata. Show Answer Correct Answer: D) Stomata. 40. Diastolic pressure of a healthy adult human being A) 120 mm of Hg. B) 80 mm of atm. C) 80 mm of Hg. D) 120 mm of atm. Show Answer Correct Answer: C) 80 mm of Hg. 41. Which blood vessel takes blood away from the kidney? A) Afferent Arteriole. B) Renal Portal Vein. C) Renal Vein. D) Efferent Arteriole. Show Answer Correct Answer: C) Renal Vein. 42. The process that involves oxidation of food to release energy is known as ..... A) Breathing. B) Circulation. C) Respiration. D) Excretion. Show Answer Correct Answer: C) Respiration. 43. The small intestine is coiled to increase the surface area. What benefit does it get from the high surface area? A) Microorganism gets killed due to longer passage. B) Increases rate of absorption of food. C) Both are true. D) None of these. Show Answer Correct Answer: B) Increases rate of absorption of food. 44. What causes the narrowing of blood vessels due to fatty deposits on the inside of the blood vessel? A) Artherosclerosis. B) Artheritis. C) All the above. D) None of the above. Show Answer Correct Answer: A) Artherosclerosis. 45. A:Walls of the intestine have numerous villi.R:These villi increase the surface area of digestion. A) Both A and R are true but 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) A is false but R is true. Show Answer Correct Answer: C) A is true but R is false. 46. Epiglottis is the structure that opens or closes the trachea. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 47. The word "pseudopodia" means: A) Small cell. B) False foot. C) Fake eye. D) First animal. Show Answer Correct Answer: B) False foot. 48. Apart from the plant which microorganism also do photosynthesis: A) Algae and cyanobacteria. B) Fungi. C) Paramecium. D) Amoeba. Show Answer Correct Answer: A) Algae and cyanobacteria. 49. Glomerulus and Bowman's capsule constitute A) Ureters. B) Malphigian capsule. C) Collecting tubule. D) Collecting duct. Show Answer Correct Answer: B) Malphigian capsule. 50. Digestion of food in amoeba occurs in A) Nucleus. B) Cytoplasm. C) Food vacuole. D) None. Show Answer Correct Answer: C) Food vacuole. 51. The form of energy used in respiration is- A) Radiant energy. B) Electrical energy. C) Mechanical energy. D) Chemical energy. Show Answer Correct Answer: D) Chemical energy. 52. Digestion starts from A) Stomach. B) Small intestine. C) Oesophagus. D) Buccal cavity. Show Answer Correct Answer: D) Buccal cavity. 53. During deficiency of oxygen pyruvate is converted into lactic acid in A) Cytoplasm. B) Mitochondria. C) Nucleus. D) Chloroplast. Show Answer Correct Answer: A) Cytoplasm. 54. Which part of alimentary canal receives bile from liver A) Stomach. B) Large Intestine. C) Oesophagus. D) Small Intestine. Show Answer Correct Answer: D) Small Intestine. 55. Kind of nutrition in which the organisms feed on dead and decaying organic matter is ..... A) Saprophytic. B) Parasitic. C) Autotrophic. D) Holozoic. Show Answer Correct Answer: A) Saprophytic. 56. Blood is pumped from the heart to the entire body by A) Pulmonary vein. B) Pulmonary artery. C) Aarta. D) Vena cava. Show Answer Correct Answer: C) Aarta. 57. Why are plants considered autotrophs A) They make their own food. B) They provide food for others. C) All the above. D) None of the above. Show Answer Correct Answer: A) They make their own food. 58. In which order do these events occur in human nutrition? A) Digestion '' ingestion '' assimilation '' absorption. B) Digestion '' ingestion '' absorption '' assimilation. C) Ingestion '' digestion '' assimilation '' absorption. D) Ingestion '' digestion '' absorption '' assimilation. Show Answer Correct Answer: D) Ingestion '' digestion '' absorption '' assimilation. 59. Which cell organelle is involved in breakdown ofglucose to produce energy for metabolic activities? A) Mitochondria. B) Golgi body. C) Chloroplast. D) Endoplasmic reticulum. Show Answer Correct Answer: A) Mitochondria. 60. Which part of nephron allows the selective reabsorption of useful substances like glucose, amino acids, salts and water into the blood capillaries? A) Tubule. B) Glomerulus. C) Ureter. D) Bowman's capsule. Show Answer Correct Answer: A) Tubule. ← PreviousNext →Related QuizzesScience QuizzesClass 10 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 6 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books