Q1. How many chambers does the human heart have?
Q2. Which component of blood transports oxygen?
Q3. Which blood vessels carry blood away from the heart?
Q4. Veins have valves to:
Q5. The normal resting heartbeat rate in a healthy adult is approximately:
Q6. Which blood group is known as the universal donor?
Q7. Which blood group is known as the universal recipient?
Q8. Xylem in plants transports:
Q9. Phloem in plants transports:
Q10. Which cells of xylem are dead?
Q11. The process by which plants lose water through stomata is called:
Q12. The movement of water from higher concentration to lower concentration through a semipermeable membrane is called:
Q13. Which organ filters blood and removes waste in the form of urine?
Q14. The tiny filtering units inside the kidneys are called:
Q15. The artificial process of filtering blood when kidneys fail is called:
Q16. Which of the following is a function of White Blood Cells (WBCs)?
Q17. Platelets help in:
Q18. The instrument used to listen to the heartbeat is called:
Q19. Which part of the heart has the thickest wall?
Q20. Plants store waste products as:
Q21. Sweat contains:
