This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 6 Life Processes – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 6 Life Processes Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Humans have how many chambers in heart A) 4. B) 2. C) 3. D) 1. Show Answer Correct Answer: A) 4. 2. Diabetic people need to- A) Increase water intake. B) Reduce water intake. C) Eliminate any physical activity. D) Increase sweet intake. Show Answer Correct Answer: B) Reduce water intake. 3. Respiratory pigment in human body is A) CHLOROPHYLL. B) WATER. C) BLOOD. D) HAEMOGLOBIN. Show Answer Correct Answer: D) HAEMOGLOBIN. 4. Name the tube which connects the kidneys to the urinary bladder. A) Urethra. B) Nephron. C) Tubule. D) Ureter. Show Answer Correct Answer: D) Ureter. 5. THE FILTERATION UNIT OF KIDNEYS ARE CALLED ..... A) URETER. B) URETHRA. C) NEPHRON. D) NEURON. Show Answer Correct Answer: C) NEPHRON. 6. Which among of the following substances are reabsorbed in the nephron? A) Urea, Uric acid, Amino acid. B) Glucose, Amino acids, Salts. C) Glucose, Urea, Creatinine. D) KCl, Urea, Glucose. Show Answer Correct Answer: B) Glucose, Amino acids, Salts. 7. In which part of the heart does the aorta originate? A) Left atrium. B) Right atrium. C) Left ventricle. D) Right ventricle. Show Answer Correct Answer: C) Left ventricle. 8. Hydrochloric acid is secreted by A) Pancreas. B) Small intestine. C) Liver. D) Gastric glands of the stomach. Show Answer Correct Answer: D) Gastric glands of the stomach. 9. Clusters of tiny air sacs that allow the exchange of oxygen and carbon dioxide A) Pharynx. B) Diaphragm. C) Alveoli. D) Lungs. Show Answer Correct Answer: C) Alveoli. 10. The main nitrogen-containing waste excreted in urine by humans is A) AMMONIA. B) UREA. C) URIC ACID. D) NUCLEOTIDE. Show Answer Correct Answer: B) UREA. 11. Name the fluid part of blood A) Water. B) RBC. C) Plasma. D) Platelets. Show Answer Correct Answer: C) Plasma. 12. Raw materials required in the autotrophic mode of nutrition involves:i. Carbon dioxide and waterii. Chlorophylliii. Nitrogeniv. Sunlight A) (i), (ii) and (iii). B) (i) and (ii). C) (i), (ii) and (iv). D) All (i), (ii), (iii) and (iv). Show Answer Correct Answer: C) (i), (ii) and (iv). 13. The excretory unit in the human excretory system: A) Kidney. B) Neuron. C) Nephron. D) Nephridia. Show Answer Correct Answer: C) Nephron. 14. Name the layer that protects the stomach cells from acid A) Villi. B) Pepsin. C) Gastric lining. D) Mucus. Show Answer Correct Answer: D) Mucus. 15. Which Of The Following Statement Is Or Are Incorrect? A) All the living organisms need energy to perform various life processes. B) Energy is not required by an organism during sleep. C) Food is a kind of will which provides energy to all living organisms. D) Our body gets longest size in in early morning in the bed. Show Answer Correct Answer: B) Energy is not required by an organism during sleep. 16. Which of the following statements about the autotrophs is incorrect? A) They synthesize carbohydrates from carbon dioxide and water in the presence of sunlight and chlorophyll. B) They store carbohydrates in the form of starch. C) They constitute the first trophic level in food chains. D) They convert carbon dioxide and water into carbohydrates in the absence of sunlight. Show Answer Correct Answer: D) They convert carbon dioxide and water into carbohydrates in the absence of sunlight. 17. Villi present on the internal wall of intestine help inthe A) Emulsification of fats. B) Breakdown of proteins. C) Absorption of digested food. D) Digestion of carbohydrates. Show Answer Correct Answer: C) Absorption of digested food. 18. Normal systolic pressure in humans is- A) 80mmHg. B) 120mmHg. C) 150mmHg. D) 40mmHg. Show Answer Correct Answer: B) 120mmHg. 19. The contraction and expansion movement of the walls of the food pipe is called: A) Translocation. B) Transpiration. C) Peristaltic movement. D) Digestion. Show Answer Correct Answer: C) Peristaltic movement. 20. The process of conversion of glucose into pyruvic acidoccurs in A) Mitochondria. B) Cytoplasm. C) Outside the cell. D) Chloroplast. Show Answer Correct Answer: B) Cytoplasm. 21. In the process of respiration ..... A) ADP is converted into ATP. B) Glucose is converted into carbondioxide. C) Glucose is converted into carbondioxide and water which releases energy. D) Pyruvic acid is converted into ATP. Show Answer Correct Answer: C) Glucose is converted into carbondioxide and water which releases energy. 22. Carbohydrates in the plants are stored in the form of A) Glycogen. B) Starch. C) Glucose. D) Maltose. Show Answer Correct Answer: B) Starch. 23. It is the site of gaseous exchange in human lungs. A) Villi. B) Alveoli. C) Trachea. D) Larynx. Show Answer Correct Answer: B) Alveoli. 24. Which region of the alimentary canal absorbs the digested food? A) Stomach. B) Small intestine. C) Large intestine. D) Liver. Show Answer Correct Answer: B) Small intestine. 25. The enzymes pepsin and trypsin are secreted respectively by: A) Stomach and pancreas. B) Salivary gland and stomach. C) Liver and pancreas. D) Liver and salivary gland. Show Answer Correct Answer: A) Stomach and pancreas. ← 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 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