NEET Biology MCQ on Animal Circulatory System with Answers by Expert Teacher. Every Objective Questions is Important and Common for NEET-UG Exam.
1) Which of the following are components of animal circulatory system?
A) Blood B) Heart C) Vessel D) All of these.
Answer: Answer is D, animal circulatory system is composed of 3 components such as blood, heart and vessels.
2) Animal heart is made up of ——— chambers.
A) 2 B) 3 C) 4 D) 5
Answer: Answer is C, animal heart is made up of 4 chambers.
3) Which of the following are chambers of heart?
A) Atrium B) Ventricle C) Both of these D) None of these.
Answer: Answer is C, animal heart is made up of 2 atrium and 2 ventricles.
3) Deoxygenated blood enters into heart by ——–.
A) Aorta B) Superior vena cave C) Pulmonary artery D) Pulmonary vein
Answer: Answer is B, Deoxygenated blood enters into heart by Superior vena cava and will enter into right atrium.
4) Oxygenated blood is present in which part of the heart?
A) Right atrium and ventricle B) Left atrium and ventricle C) Both of these D) None of these.
Answer: Answer is B, Oxygenated blood is present in left part of the heart and deoxygenated blood is present in right part of the heart.
5) When veins get fused together is called as ——.
A) Aorta B) Vena cava C) Capillary D) None of these.
Answer: Answer is B, on fusion of veins, formation of vena cava occurs.
6) Tricuspid valve is present in between ———.
A) Right atrium and ventricle B) Left atrium and ventricle C) Both of these D) None of these.
Answer: Answer is A, tricuspid valve is present in right part of the heart.
7) Bicuspid valve is present in between ———.
A) Right atrium and ventricle B) Left atrium and ventricle C) Both of these D) None of these.
Answer: Answer is B, bicuspid valve is present in left part of the heart.
8) Mitral valve is also called as :
A) Tricuspid valve B) Bicuspid valve C) Semilunar valve D) None of these.
Answer: Answer is B, for bicuspid valve synonym used is mitral valve.
9) Which of the following circulation are takes place in circulatory system?
A) Pulmonary circulation B) Systemic circulation C) Both of these D) None of these.
Answer: Answer is C, Pulmonary circulation and Systemic circulation are takes place in circulatory system.
10) ——— carries the blood from heart to lungs tissues.
A) Aorta B) Vena cava C) Capillary D) Pulmonary artery.
Answer: Answer is D, Pulmonary artery carries the blood from heart to lungs tissues.