Match List-I with List-II and select the correct answer using the code given below the Lists :List-I
(Biological Molecule)List-II
(Function/Property)A. Insulin 1. Monomer units of proteins B. Haemoglobin 2. High concentration linked to circulatory system diseases C. Amino acids 3. Carries oxygen D. Cholesterol 4. Controls the concentration of glucose in blood
A-4, B-3, C-1, D-2
Each biological molecule is matched to its function on the basis of what it does in the body.
| List-I | Molecule | List-II Match | Reason |
|---|---|---|---|
| A | Insulin | 4. Controls the concentration of glucose in blood | Insulin is a pancreatic hormone that lowers blood glucose by promoting its uptake and storage. |
| B | Haemoglobin | 3. Carries oxygen | Haemoglobin is the iron-containing protein in red blood cells that binds and transports oxygen. |
| C | Amino acids | 1. Monomer units of proteins | Proteins are polymers built from amino acid monomers linked by peptide bonds. |
| D | Cholesterol | 2. High concentration linked to circulatory system diseases | Excess cholesterol deposits in artery walls (atherosclerosis), raising the risk of heart and blood vessel disease. |
Hence, the correct matching is A-4, B-3, C-1, D-2.
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