Pancreas — NEET Biology Questions

Practice 30 questions on Pancreas from Chemical coordination and integration (NCERT Class 11, Chapter 19). Free samples below — get all 30 in the app.

30 Questions Chemical coordination and integration Class 11

Sample Questions — Pancreas

Try 5 questions below from Pancreas. Get all 30 in the MedicNEET app.

MCQ
What percentage of pancreatic tissue is represented by islets of Langerhans?
  • A. 10–20%
  • B. 5–6%
  • C. 50%
  • D. 1–2%
✅ Correct Answer: D
Despite being only 1–2% of the tissue, islets are essential for endocrine function.
MCQ
In pancreatic islets, a region marked 'B' was shaded. Which function may be directly attributed to this region out of the given options?
  • A. Stimulates gluconeogenesis
  • B. Produces insulin
  • C. Breaks down glycogen
  • D. Promotes ketone excretion
✅ Correct Answer: B
Region 'B' refers to β-cells of the islets.
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MCQ
Which of the following is a hyperglycemic hormone?
  • A. Insulin
  • B. TSH
  • C. Glucagon
  • D. Oxytocin
✅ Correct Answer: C
Glucagon raises blood glucose, hence hyperglycemic.
MCQ
How do α-cells and β-cells functionally differ?
  • A. α-cells secrete glucagon, β-cells secrete insulin
  • B. α-cells reduce glucose, β-cells increase glucose
  • C. Both store insulin
  • D. Both secrete the same hormone
✅ Correct Answer: A
They perform opposite roles in blood glucose regulation.
MCQ
Identify the correct statements: 1. Glucagon promotes hyperglycemia 2. Insulin stimulates glycogenesis 3. Diabetes mellitus is caused by prolonged hypoglycemia 4. β-cells secrete insulin
  • A. 1, 2, and 4 only
  • B. 1, 3, and 4 only
  • C. 2 and 3 only
  • D. All of the above
✅ Correct Answer: A
Statement 3 is incorrect; diabetes results from hyperglycemia.

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