NEET Biology: Chemical Coordination and Integration — MCQ Test 10

Q6. Which of the following is a correct statement regarding aldosterone?

Q7. Which of the following statements about oxytocin is correct?

Q8. Which hormone is primarily responsible for maintaining sodium and potassium balance?

Q9. Which hormone promotes the uptake of glucose by cells and lowers blood sugar levels?

Q10. Which hormone is secreted by the pancreas and inhibits both insulin and glucagon secretion?

NEET Biology — Chemical Coordination and Integration

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Which of the following statements about the endocrine system is incorrect?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Biology preparation, focusing specifically on the chapter Chemical Coordination and Integration. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Following, Statements, Endocrine, Incorrect, Hormones, and Regulating.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. Which of the following statements about the endocrine system is incorrect?

  • A. Endocrine glands are ductless and release hormones into the bloodstream.
  • B. Hormones act on specific target cells with receptors for them.
  • C. Hormones always act immediately upon secretion.
  • D. The hypothalamus controls endocrine functions via releasing and inhibiting hormones.

Q2. Which of the following hormones plays a role in regulating biological rhythms?

  • A. Melatonin
  • B. Thyroxine
  • C. Insulin
  • D. Aldosterone

Q3. Which of the following statements about calcitonin is correct?

  • A. Calcitonin increases blood calcium levels.
  • B. Calcitonin is secreted by the parathyroid gland.
  • C. Calcitonin inhibits bone resorption.
  • D. Calcitonin is secreted in response to low blood calcium levels.

Q4. The adrenal medulla secretes which of the following hormones?

  • A. Cortisol and Aldosterone
  • B. Epinephrine and Norepinephrine
  • C. Insulin and Glucagon
  • D. Thyroxine and Calcitonin

Q5. Which of the following statements about the posterior pituitary is incorrect?

  • A. The posterior pituitary stores and releases ADH and oxytocin.
  • B. The posterior pituitary synthesizes its own hormones.
  • C. The posterior pituitary is connected to the hypothalamus.
  • D. The posterior pituitary releases hormones into the bloodstream.

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