What mainly transports oxygen in blood?
Answer and explanation
Correct answer: Haemoglobin
The governing concept is transport by blood. Haemoglobin, the iron-containing pigment in red blood cells, combines reversibly with oxygen in the lungs to form oxyhaemoglobin. It then releases oxygen in body tissues where it is needed. Plasma carries a small amount of dissolved oxygen, but it is not the main carrier; bile and saliva have digestive roles. Therefore option A is correct.
Frequently asked questions
What is the correct answer to this question?
Haemoglobin
Why is this the correct answer?
The governing concept is transport by blood. Haemoglobin, the iron-containing pigment in red blood cells, combines reversibly with oxygen in the lungs to form oxyhaemoglobin. It then releases oxygen in body tissues where it is needed. Plasma carries a small amount of dissolved oxygen, but it is not the main carrier; bile and saliva have digestive roles. Therefore option A is correct.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Life Processes.
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