Question:

Which hormone tends to increase the blood glucose level in human?

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Insulin decreases blood sugar level, whereas glucagon increases blood sugar level.
Updated On: Jun 15, 2026
  • Insulin
  • Glucagon
  • Epinephrine
  • Estrogen
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The Correct Option is B

Solution and Explanation

Step 1: Understand blood glucose regulation.
Blood glucose level in the human body is controlled mainly by the hormones insulin and glucagon secreted by the pancreas.

Step 2: Analyze the role of insulin.
Insulin lowers blood glucose level by promoting the conversion of glucose into glycogen in the liver and muscles.
Therefore, insulin decreases blood sugar level.

Step 3: Analyze the role of glucagon.
Glucagon increases blood glucose level by stimulating the breakdown of glycogen into glucose in the liver.
This process is called glycogenolysis.
Hence, glucagon raises blood sugar level.

Step 4: Analyze the remaining options.
Epinephrine can temporarily increase blood sugar during stress, but the principal hormone responsible for increasing blood glucose level is glucagon.
Estrogen is mainly involved in regulation of female reproductive functions and does not primarily regulate blood glucose.

Step 5: Final conclusion.
Hence, the hormone that tends to increase blood glucose level is
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