Biology
Which one of the following statements regarding haemoglobin is correct?

Haemoglobin of RBC can carry only carbon dioxide
Haemoglobin of RBC can carry both oxygen and carbon dioxide
Haemoglobin is only used for blood clotting and not for carrying gases
Haemoglobin present in RBC can carry only oxygen but not carbon dioxide

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Biology
Assertion (A): In human body liver has an important role in fat digestion.Reason (R) : Liver produces two important fat digesting enzymes.Codes

A is false but R is true
A is true R is false
Both A and R are individually true, but R is not the correct explanation of A
Both A and R are individually true and R is the correct explanation of A

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