NEET Biology: Body Fluids and Circulation — Practice Set 5

Q1. Which of the following statements about heart valves is incorrect?

Q2. Which of the following statements about erythropoiesis is correct?

Q3. Which type of WBCs produces histamine during allergic reactions?

Q4. Which blood cells are responsible for antibody production?

Q5. Which structure initiates the contraction of the heart?

Q6. Which of the following statements about red blood cells (RBCs) is incorrect?

Q7. Which of the following is responsible for maintaining the pH of blood?

Q8. Which of the following blood components is involved in antigen-antibody reactions?

Q9. Which of the following is correct about cardiac output?

Q10. Which of the following is correct about the function of the atrioventricular (AV) valves?

Biology — Body Fluids and Circulation

Set 5 of 19

15:00

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Which of the following statements about heart valves is incorrect?