Biology

Answer: C

Explanation:

Correct option: In Type 1 diabetes, the pancreas fails to produce insulin.
Insulin is necessary for cells to take in glucose from the bloodstream.
Without sufficient insulin, glucose accumulates in the blood, causing hyperglycemia.
The body tries to get rid of the excess glucose through urine, leading to frequent urination (polyuria).
As a large amount of water is lost in the process, it results in increased thirst (polydipsia). Also, since cells cannot use glucose for energy, the body starts breaking down fat and muscle for energy, causing unexplained weight loss.

Incorrect options:

Hypothyroidism (A) is characterized by a slow - down...