NEET-UG SERIES Biology
Circulatory System
4 previous year questions.
Volume: 4 Ques
Yield: Medium
High-Yield Trend
1
2025 2
2024 1
2013 Chapter Questions 4 MCQs
01
PYQ 2013
medium
biology ID: neet-ug-
Figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its function/s.
1
A - Pulmonary vein - takes impure blood from body parts, PO2 = 60 mm Hg
2
B - Pulmonary artery - takes blood from heart to lungs, PO2 = 90 mm Hg
3
C-Vena Cava - takes blood from body parts to right auricle, PCO2 = 45 mm Hg
4
D-Dorsal aorta - takes blood from heart to body parts, PO2 = 95 mm Hg
02
PYQ 2024
medium
biology ID: neet-ug-
‘Lub’ sound of Heart is caused by the___________.
1
closure of the semilunar values
2
opening of tricuspid and bicuspid values
3
opening of the semilunar valves
4
closure of the tricuspid and bicuspid valves
03
PYQ 2024
medium
biology ID: neet-ug-
Open Circulatory system is present in:
1
Palaemon, Nereis, Balanoglossus
2
Hirudinaria, Bombyx, Salpa
3
Anopheles, Limax, Limulus
4
Pheretima, Musca, Pila
04
PYQ 2025
medium
biology ID: neet-ug-
In frog, the Renal portal system is a special venous connection that acts to link:
1
Liver and kidney
2
Kidney and intestine
3
Kidney and lower part of body
4
Liver and intestine
About Circulatory System - NEET-UG
Circulatory System is a vital chapter for NEET-UG aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Circulatory System PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Circulatory System carry the most weight. Then, tackle the questions iteratively to solidify your understanding.