NEET 2011 · Class 11
Body Fluids and Circulation
A person with unknown blood group under ABO system has suffered much blood loss in an accident and needs immediate blood transfusion. His friend, who has a valid certificate of his own blood type, offers to donate blood without delay. What would have been the blood group of the donor friend?
- (A)Type B
- (B)Type AB
- (C)Type O
- (D)Type A
The NCERT line that answers it
Verbatim lineFrom the above mentioned table it is evident that group 'O' blood can be donated to persons with any other blood group and hence 'O' group individuals are called 'universal donors'.
- Chapter
- Body Fluids and Circulation
- Section
- 15.1.3 Blood Groups
- Page
- 2
- Words matched
- 31 of 31
The answer appears as a continuous sentence in NCERT. This is that sentence.
How this line gives the answer
5, emb=1.0, combined=0.8). Verified: high — The span explicitly states that group 'O' blood can be donated to persons with any other blood group, which directly answers the MCQ about which blood type can safely donate to an unknown recipient.
We did this for 1,565 questions.
Every one traced to the exact sentence in NCERT that answers it, including 90% of the 2026 paper. Sit a mock on the real NEET 2027 computer interface and every mark you drop comes back with its line attached.
Question text is reproduced from the published NEET 2011 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.