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#blood

6 public questions tagged with this topic.

ZOOLOGY

Which of the following is incorrect about hemoglobin?

Hemoglobin contains **iron**, which binds to oxygen for transport in the blood. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Zoology section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Zoology portion (Latest NCERT Textbooks for Academic Session 2026-27 - Rationalized Edition for Class XI and XII), Topic: Structural organization, physiology, human health and related concepts as per latest syllabus.

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pH and Buffer

Which of the following buffers is most important in human blood?

Phosphate buffer is the scientifically accurate answer to this question. Within the study of pH and Buffer, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of Phosphate buffer directly address what is being asked. Among the other options, Carbonate buffer, Acetate buffer, and Borate buffer do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.

Ref: Lehninger Principles of Biochemistry, Nelson & Cox, 8th Ed., Ch. 2

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