Class 11 · Body Fluids and Circulation

Formed Elements and Blood Composition — NEET Biology

🔥 Predicted for NEET 2027
📖 NCERT Source

Erythrocytes, leucocytes and platelets are collectively called formed elements and they constitute nearly 45 per cent of the blood.

NCERT Biology · Class 11 · Chapter 15 · Paragraph 5
Why This May Be Tested in NEET 2027

Adjacent to a frequently-asked paragraph in the same chapter.

Practice This Concept
QuestionPredicted for NEET 2027

What percentage of blood volume is constituted by formed elements?

📖 Solution & NCERT Explanation
View solution & NCERT explanation

Correct answer: B B 45%

Formed elements contribute about 45% of total blood volume.

❓ Frequently Asked Questions
What does NCERT say about Erythrocytes leucocytes and platelets?
Erythrocytes, leucocytes and platelets are collectively called formed elements and they constitute nearly 45 per cent of the blood.
Has this concept appeared in NEET?
High probability for NEET 2027. Adjacent to a frequently-asked paragraph in the same chapter.
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
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