This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 6 Life Processes – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 6 Life Processes Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Digestion of food in amoeba occurs in A) Nucleus. B) Cytoplasm. C) Food vacuole. D) None. Show Answer Correct Answer: C) Food vacuole. 2. The form of energy used in respiration is- A) Electrical energy. B) Chemical energy. C) Mechanical energy. D) Radiant energy. Show Answer Correct Answer: B) Chemical energy. 3. Digestion starts from A) Stomach. B) Small intestine. C) Oesophagus. D) Buccal cavity. Show Answer Correct Answer: D) Buccal cavity. 4. During deficiency of oxygen pyruvate is converted into lactic acid in A) Mitochondria. B) Nucleus. C) Chloroplast. D) Cytoplasm. Show Answer Correct Answer: D) Cytoplasm. 5. 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. 6. Kind of nutrition in which the organisms feed on dead and decaying organic matter is ..... A) Holozoic. B) Saprophytic. C) Parasitic. D) Autotrophic. Show Answer Correct Answer: B) Saprophytic. 7. Blood is pumped from the heart to the entire body by A) Aarta. B) Pulmonary artery. C) Pulmonary vein. D) Vena cava. Show Answer Correct Answer: A) Aarta. 8. 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. 9. In which order do these events occur in human nutrition? A) Digestion '' ingestion '' absorption '' assimilation. B) Digestion '' ingestion '' assimilation '' absorption. C) Ingestion '' digestion '' absorption '' assimilation. D) Ingestion '' digestion '' assimilation '' absorption. Show Answer Correct Answer: C) Ingestion '' digestion '' absorption '' assimilation. 10. Which cell organelle is involved in breakdown ofglucose to produce energy for metabolic activities? A) Mitochondria. B) Chloroplast. C) Endoplasmic reticulum. D) Golgi body. Show Answer Correct Answer: A) Mitochondria. 11. 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) Bowman's capsule. D) Ureter. Show Answer Correct Answer: A) Tubule. 12. Chamber of the heart with thickest wall A) Left Atrium. B) Left Ventricle. C) Right Atrium. D) Right Ventricle. Show Answer Correct Answer: B) Left Ventricle. 13. What is the pigment in chloroplasts that performs photosynthesis? A) Chlorosynthesis. B) Chlorophyll. C) Chloroplast. D) Green. Show Answer Correct Answer: B) Chlorophyll. 14. The breakdown of pyruvate to give carbon-di-oxide, water and energy takes place in: A) Cytoplasm. B) Mitochondria. C) Chloroplast. D) Nucleus. Show Answer Correct Answer: B) Mitochondria. 15. Assertion:Herbivores have longer small intestine as compared to Carnivores Reason:Food takes more time to digest in Carnivore 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: C) Assertion (A) is true but reason(R) is false. 16. Which of the following is a product of fermentation? A) Methanol. B) Oxygen. C) Ethanol. D) Lactic acid. Show Answer Correct Answer: C) Ethanol. 17. An enzyme 'X' that converts starch to simple sugars is also the first enzyme to mix with food in the digestive tract. Identify 'X' A) Pepsin. B) Amylase. C) Lipase. D) None of these. Show Answer Correct Answer: B) Amylase. 18. Plants need ..... for photosynthesis A) Oxygen. B) Soil. C) Carbon dioxide. D) Sugar. Show Answer Correct Answer: C) Carbon dioxide. 19. A blood vessel which pumps the blood from the heart to the entire body: A) Artery. B) Capillary. C) Vein. D) Haemoglobin. Show Answer Correct Answer: A) Artery. 20. Which of these reactions occur in photosynthesis? A) Carbon dioxide is reduced and water is oxidised. B) Water is reduced and carbon dioxide is oxidised. C) Carbon dioxide and water are oxidised. D) Carbon dioxide and water are reduced. Show Answer Correct Answer: D) Carbon dioxide and water are reduced. 21. What could be the possible explanation for the evolution of a four-chambered heart in mammals as opposed to a two-chambered heart in fishes? A) In fishes oxygenation of blood takes place in heart. B) Fishes have efficient gills. C) Fishes can store more energy than mammals. D) Fishes do not require energy to maintain their body temperature. Show Answer Correct Answer: D) Fishes do not require energy to maintain their body temperature. 22. The correct order of steps in nutrition in human beings is A) Ingestion-digestion-assimilation-absorption-egestion. B) Ingestion-digestion-absorption-assimilation-egestion. C) Ingestion-absorption-digestion-egestion-assimilation. D) Ingestion-assimilation-absorption-digestion-egeston. Show Answer Correct Answer: B) Ingestion-digestion-absorption-assimilation-egestion. 23. What prevents the back flow of blood in heart chambers A) Septum. B) Thick wall. C) Valves. D) Blood pressure. Show Answer Correct Answer: C) Valves. 24. The inner lining of the stomach is protected by one of the following from hydrochloric acid. Choose the correct one A) Mucus. B) Salivary amylase. C) Pepsin. D) Bile. Show Answer Correct Answer: A) Mucus. 25. Which of the following organisms have single circulation? A) Fishes. B) Mammals. C) Birds. D) Reptiles. Show Answer Correct Answer: A) Fishes. ← 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 8Class 10 Science Chapter 6 Life Processes Quiz 9Class 10 Science Chapter 6 Life Processes Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books