Diabetes mellitus is mainly caused by:

Question

Accepted Answer

D. {'text': 'Insufficient insulin from pancreas'}

1. Insulin lowers blood sugar by storing glucose as glycogen.
2. If the pancreas cannot make **enough insulin**, blood glucose remains high.
3. The disease that results is diabetes mellitus.
4. Excess insulin causes hypoglycaemia, not diabetes; thyroxine and adrenaline have different roles.
_Source: Selina Concise ICSE Class 8 Biology Ch 5 "Endocrine System and Adolescence", Hormone-related disorders_

Answer

{'text': 'Too much insulin in the blood'}

Answer

{'text': 'Excess thyroxine from thyroid'}

Answer

{'text': 'Too much adrenaline from adrenal'}