Haldane effect explains increased CO2 transport when hemoglobin is:
Answer: B) Deoxygenated. For Respiratory System; Exchange of Gases, once you lock onto the key mechanism or definition, Deoxygenated is the clear fit. If you restate the concept in your own words, Deoxygenated is the option that correctly names the structure, process, or principle asked for in Respiratory System; Exchange of Gases. So Deoxygenated is the clean, accurate selection. If a similar stem appears later, start from the same core fact and you will land on the same kind of answer. In class notes, highlight this same phrase next to the related diagram so the wording and the picture reinforce each other.
Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.