Class 11 · Body Fluids and Circulation

Blood Grouping Systems and Classification — NEET Biology

📚 Practice Concept
📖 NCERT Source

As you know, blood of human beings differ in certain aspects though it appears to be similar. Various types of grouping of blood has been done. Two such groupings – the ABO and Rh – are widely used all over the world.

NCERT Biology · Class 11 · Chapter 15 · Paragraph 10
Practice This Concept
QuestionPractice Question

Assertion (A): The Rh blood group system is named after Rhesus monkeys. Reason (R): The Rh antigen was first discovered in human blood and later found to be absent in Rhesus monkeys.

📖 Solution & NCERT Explanation
View solution & NCERT explanation

Correct answer: C If assertion is true but reason is false.

NCERT states “the Rh antigen similar to one present in Rhesus monkeys (hence Rh)” confirming the naming origin (Assertion true). However, the Reason is false - NCERT indicates the antigen was found to be similar to one present IN Rhesus monkeys, not absent from them.

❓ Frequently Asked Questions
What does NCERT say about As you know blood?
As you know, blood of human beings differ in certain aspects though it appears to be similar. Various types of grouping of blood has been done.
Has this concept appeared in NEET?
Practice this NCERT concept with questions on MedicNEET.
Which chapter is this from?
Body Fluids and Circulation, Class 11 NCERT Biology.

Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.

176/180
of the ReNEET 2026 paper (all subjects) was already in the MedicNEET question bank

MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.

176 of 180 ReNEET 2026 questions traced to MedicNEET17,000+ Biology questionsHindi + English
Free to start · Hindi + English · 43,000+ questions · NEET 2026 pattern
Related Concepts from Body Fluids and Circulation
📘Practice all 27 NEET PYQs from Body Fluids and Circulation🔍See full Body Fluids and Circulation PYQ Analysis