PRACTICE QUESTION ON HEART
AND ITS CIRCULATION
FOR GRADE 9 BIOLOGY IMPORTANT QUESTION WITH ANSWERS
✅ MCQs
1. The human heart has:
a) 2 chambers
✅
b) 3 chambers
c) 4 chambers
d) 5 chambers
2. The blood vessels that carry blood away from the heart are:
a) Veins
✅
b) Capillaries
c) Arteries
d) Nerves
3. The main function of the heart is to:
✅
a) Digest food
b) Pump blood
c) Control brain
d) Store oxygen
4. Which blood is rich in oxygen?
✅
a) Deoxygenated blood
b) Oxygenated blood
c) Mixed blood
d) None
5. The red color of blood is due to:
a) Plasma
✅
b) Platelets
c) Hemoglobin
d) Water
AND ITS CIRCULATION
FOR GRADE 9 BIOLOGY IMPORTANT QUESTION WITH ANSWERS
✅ MCQs
1. The human heart has:
a) 2 chambers
✅
b) 3 chambers
c) 4 chambers
d) 5 chambers
2. The blood vessels that carry blood away from the heart are:
a) Veins
✅
b) Capillaries
c) Arteries
d) Nerves
3. The main function of the heart is to:
✅
a) Digest food
b) Pump blood
c) Control brain
d) Store oxygen
4. Which blood is rich in oxygen?
✅
a) Deoxygenated blood
b) Oxygenated blood
c) Mixed blood
d) None
5. The red color of blood is due to:
a) Plasma
✅
b) Platelets
c) Hemoglobin
d) Water
