Chemical Coordination – Feedback Mechanisms, Hormonal Disorders

Grade 11 Biology — Chemical Coordination – Feedback Mechanisms, Hormonal Disorders: 25 practice questions with instant scoring and explanations.

1. Homeostasis refers to
2. Most hormonal systems are regulated by
3. Negative feedback in thyroid axis: high T3/T4
4. Example of positive feedback is
5. Blood glucose is lowered by
6. Blood glucose is raised by all EXCEPT
7. Type 1 diabetes mellitus is due to
8. Type 2 diabetes is mainly due to
9. Cushing syndrome is due to excess
10. Addison's disease is due to deficiency of
11. Hyperthyroidism commonly presents as
12. Hypothyroidism in adults is called
13. Excess parathormone causes
14. Hypoparathyroidism leads to
15. Diabetes insipidus is due to deficiency of
16. SIADH leads to
17. Pheochromocytoma is a tumour of
18. Gigantism is caused by excess
19. Acromegaly arises when GH excess occurs
20. Goitre can result from
21. Pancreatic hormone somatostatin is secreted by
22. Target tissue hormone response depends on
23. Steroid hormones bind to
24. Peptide hormones typically act via
25. Melatonin regulates