Endocrine glands and hormones β€” NEET Biology Questions

Practice 31 questions on Endocrine glands and hormones from Chemical coordination and integration (NCERT Class 11, Chapter 19). Free samples below β€” get all 31 in the app.

31 Questions Chemical coordination and integration Class 11

Sample Questions β€” Endocrine glands and hormones

Try 5 questions below from Endocrine glands and hormones. Get all 31 in the MedicNEET app.

MCQ
Which of the following organs has hormone-producing cells but is not a major endocrine gland?
  • A. Kidney
  • B. Pituitary
  • C. Pineal
  • D. Testis
βœ… Correct Answer: A
Kidney produces hormones like erythropoietin but is not classified as a major endocrine gland. Trap: Option b, c, d are all primary endocrine organs.
MCQ
What does the joint coordination by neural and endocrine systems imply?
  • A. Only neural system is functional
  • B. Hormones always override neurons
  • C. Hormonal system acts first, then neural
  • D. Both systems are interdependent for body regulation
βœ… Correct Answer: D
Neural and endocrine systems together manage physiological processes. One system does not override the otherβ€”they complement each other.
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MCQ
Assertion (A): Liver and kidney are considered part of the endocrine system. Reason (R): They produce hormones despite not being classical endocrine glands.
  • A. Both A and R are true, and R is the correct explanation of A
  • B. Both A and R are true, but R is not the correct explanation of A
  • C. A is true, but R is false
  • D. A is false, but R is true
βœ… Correct Answer: A
- These organs secrete hormones like erythropoietin (kidney) and somatomedins (liver).
MCQ
Identify the correct characteristic of all hormones based on modern definition:
  • A. All nutrient-rich chemicals
  • B. They act as extracellular messengers and are produced in trace amounts
  • C. They are released by ducted glands only
  • D. They act as intercellular messengers and are produced in trace amounts
βœ… Correct Answer: D
The NCERT defines hormones as non-nutrient chemicals produced in trace amounts, functioning as messengers. Traps include 'nutrient' (A) and 'ducted glands' (C) which apply to exocrine, not endocrine.
MCQ
What type of coordination is jointly regulated by the neural and endocrine systems?
  • A. Mechanical
  • B. Muscular
  • C. Physiological
  • D. Digestive
βœ… Correct Answer: C
Both systems regulate physiological functions such as metabolism, growth, and reproduction.

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