Skip to content
RRB PYQ
RRB PYQ
  • Home
  • General Science
    • Physics
    • Chesmistry
    • Biology
Practice PYQs
Curated PYQ Collection

Blood Circulatory System

Showing 127 questions & PYQs organized by topics.

Blood Circulatory System

Biology

View All 1019 Topics →
Human Body 10 Topics
01 The largest corpuscles in human blood are _____.
RRB PYQ MCQ
02 The average weight of an adult human heart is about:
RRB PYQ MCQ
03 Which of the following does not refer to cholesterol?
RRB PYQ MCQ
04 _____ does not have collagen.
RRB PYQ MCQ
05 _____ tissue changes the diameter of the blood vessel.
RRB PYQ MCQ
06 Which of the following organs of the human body has the sinoatrial…
RRB PYQ MCQ
07 Which of the following metals is present in haemoglobin?
RRB PYQ MCQ
08 _____ is the part of blood that contains 92% water, while the…
RRB PYQ MCQ
09 Who discovered the A, B and O blood group system?
RRB PYQ MCQ
10 Cardiac muscle cells are:
RRB PYQ MCQ
Older posts
Newer posts
← Previous Page1 … Page4 Page5 Page6 … Page13 Next →
© 2026 rrbjepyq.in • Built with GeneratePress
RRB PYQ
Practice. Learn. Improve.

Your dedicated platform for RRB Previous Year Questions, topic-wise practice, exam-wise preparation, and detailed explanations.

Quick Links

  • Home
  • RRB Exams
  • Subjects
  • Topics
  • PYQ Questions
  • Practice Tests

Important Links

  • About Us
  • Contact Us
  • Privacy Policy
  • Terms & Conditions
  • Disclaimer
  • Sitemap

© 2026 RRB PYQ. All rights reserved.

Built for Railway Exam Aspirants.