CBSE · Class 11 · Biology · Body Fluids and CirculationWhich blood group is known as the universal donor?
Step-by-Step Solution
Blood group O negative (or O) lacks both A and B antigens on RBCs, making it the universal donor.
Detailed Options Breakdown
Option : AB
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Body Fluids and Circulation.
Option 1: O (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: A
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Body Fluids and Circulation.
Option 3: B
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Body Fluids and Circulation.
💡 Study Guide: This question tests core syllabus concepts from Body Fluids and Circulation. For formulas, key summaries, and mock exam reference guides, read the full Body Fluids and Circulation Revision Notes.