Chapter Exam

Chapter 7: Body Fluids and Circulation — Online MCQ Test

Q: Which component of blood is mainly responsible for transporting oxygen?

Answer: B. Red blood cells — Red blood cells contain haemoglobin, which binds and transports oxygen throughout the body.

Q: Which blood group is considered the universal donor in the ABO system?

Answer: D. O — Blood group O has neither A nor B antigens on red blood cells, so it can be donated to most ABO groups.

Q: The human heart has how many chambers?

Answer: C. Four — The human heart has four chambers: two atria and two ventricles.

Q: A patient has blood group B. Which of the following donor blood groups would cause agglutination if transfused without matching?

Answer: C. A only — A person with blood group B has anti-A antibodies, so blood group A will cause agglutination.

ZOOLOGY · CLASS 11th · Tamil Nadu State Board

Practice Chapter 7: Body Fluids and Circulation with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 11th ZOOLOGY. This chapter covers: This chapter covers blood composition blood groups clotting mechanisms and human heart anatomy. Students study cardiac cycle double circulation ECG principles cardiac output regula.... AI-generated questions from basic to board-exam level, with instant results and explanations.

Questions

20m

Time Limit

Attempts Left

10 random questions from this chapter (mixed difficulty)
Questions you've seen before won't repeat until the pool resets
You have 20 minutes — exam auto-submits when time is up
Maximum 3 attempts per chapter
Results and explanations shown immediately after submission

New here? Register free — includes 3 free chapter exams.

Chapter 7: Body Fluids and Circulation — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 11th ZOOLOGY — Chapter 7: Body Fluids and Circulation, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which component of blood is mainly responsible for transporting oxygen?

A. Plasma
B. Red blood cells ✓
C. White blood cells
D. Platelets

Answer: B. Red blood cells
Red blood cells contain haemoglobin, which binds and transports oxygen throughout the body.

Which blood group is considered the universal donor in the ABO system?

A. A
B. B
C. AB
D. O ✓

Answer: D. O
Blood group O has neither A nor B antigens on red blood cells, so it can be donated to most ABO groups.

The human heart has how many chambers?

A. Two
B. Three
C. Four ✓
D. Five

Answer: C. Four
The human heart has four chambers: two atria and two ventricles.

A patient has blood group B. Which of the following donor blood groups would cause agglutination if transfused without matching?

A. B only
B. O only
C. A only ✓
D. O and B

Answer: C. A only
A person with blood group B has anti-A antibodies, so blood group A will cause agglutination.

Which statement about the human heart is correct?

A. The right ventricle pumps blood into the aorta
B. The left atrium receives blood from the pulmonary veins ✓
C. The tricuspid valve is located between the left atrium and left ventricle
D. The pulmonary artery carries oxygenated blood to the body

Answer: B. The left atrium receives blood from the pulmonary veins
The left atrium receives oxygenated blood from the lungs through the pulmonary veins. The other options describe incorrect chamber or vessel relationships.