NCERT Biology Class 11, Chapter 19

Endocrine system and hormones MCQs for NEET-UG Biology

Revise this NCERT area with concise 4-option MCQs. Explanations are visible on each question page so students and search engines can read the learning value clearly.

What to revise before practicing

Focus on NCERT definitions, process order, examples, and common distractors. For NEET-UG, this topic should be practiced through direct concept checks and short reasoning questions rather than postgraduate clinical case framing.

Q1 • NCERT Biology Class 11, Chapter 19

Which hormone is not regulated by the adenohypophysis?

Q2 • NCERT Biology Class 11, Chapter 19

Which of the following is not related to ACTH secretion regulation?

Q3 • NCERT Biology Class 11, Chapter 19

Which of the following is the location where melatonin is synthesized and secreted?

Q4 • NCERT Biology Class 11, Chapter 19

Which of the following hormones can pass through the cell membrane and bind to nuclear receptors to exert its effect?

Q5 • NCERT Biology Class 11, Chapter 19

Which hormone is crucial for brain development in fetuses and newborns?

Q6 • NCERT Biology Class 11, Chapter 19

Which one belongs to the tyrosine kinase receptor?