Endocrine System MCQs | Endocrine System GK Multiple Choice Questions with Answers

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Questions
1 Chemical messengers secreted by ductless glands are called___________
A Platelets
B Plasma
C FEMA act
D Hormones

Answer: Hormones
2 Name the gland, which releases Neurohormone.
A Pancreas
B Thyroid
C Pituitary
D Hypothalamus

Answer: Hypothalamus
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3 Which of the following is protein based hormone?
A Oxytocin
B Insulin
C TSH
D Antidiuretic hormone

Answer: Insulin
4 Name the hormone which is synthesized from histidine amino acid?
A Dopamine
B Norepinephrine
C Epinephrine
D Histamine

Answer: Histamine
5 What is the precursor of steroid hormone?
A Protein
B Cholesterol
C Carbohydrate
D Lipid

Answer: Cholesterol
6 Which of the following is a fat soluble hormone?
A Amine hormone
B Peptide hormone
C Thyroid hormone
D Protein hormone

Answer: Thyroid hormone
7 Which of these statements is INCORRECT regarding the function of hormones?
A Reproduction and sexual differentiation
B Maintenance of internal environment
C Maintain body temperature
D Development and growth

Answer: Maintain body temperature
8 Which of the following is NOT an endocrine gland?
A Hypothalamus
B Pituitary
C Parathyroid
D Pancreas

Answer: Hypothalamus
9 Find out, which is NOT the precursor of the hormone?
A Amino acids
B Cholesterol
C Phospholipids
D Proteins

Answer: Cholesterol
10 Mark the one, which is not inhibited by the effect of somatostatin.
A GH
B TSH
C Glucagon
D Dopamine

Answer: Dopamine
11 Which of the following is Growth hormone inhibiting hormone?
A FSH
B TRH
C GHRH
D Somatostatin

Answer: Somatostatin
12 Name the hormone, which is released by the posterior pituitary.
A Oxytocin
B TSH
C ICSH
D Prolactin

Answer: Oxytocin
13 Which of these is true about the endocrine system?
A secretes hormones that are transported to target cells by blood
B causes changes in metabolic activities
C effects are prolonged
D All of the above are true

Answer: All of the above are true
14 In the pancreas, which are the cells that secrete insulin, decrease the blood levels of glucose.
A delta
B alpha
C beta
D beta

Answer: beta
15 Which of the following endocrine gland is responsible for the body's circadian rhythm?
A Thymus gland
B Pineal gland
C Parathyroid gland
D Pituitary gland

Answer: Pineal gland
16 Endocrine glands differ from exocrine glands in that:
A Endocrine glands are all interconnected; whereas exocrine glands act completely independently
B Endocrine glands release hormones, whereas exocrine glands release waste
C Endocrine glands are formed by epithelial tissue, but exocrine glands are primarily connective tissue
D Endocrine glands are ductless and exocrine glands release secretions at the body's surface or into ducts

Answer: Endocrine glands are ductless and exocrine glands release secretions at the body's surface or into ducts
17 The primary target of the releasing and inhibiting hormones of the hypothalamus is the:
A Liver and adipose tissue
B Gonads
C Anterior pituitary
D Bone marrow

Answer: Anterior pituitary
18 The secretions from which of these glands differs between males and females?
A Adrenal
B Parathyroid
C Pancreas
D Gonadal

Answer: Gonadal
19 Calcium level in the blood is regulated by the:
A Thyroid
B Parathyroid
C Posterior pituitary
D Both [A] and [B]

Answer: Both [A] and [B]
20 All of the following are hormones of the anterior pituitary except:
A Human growth hormone (GH)
B Follicle-stimulating hormone (FSH)
C Parathyroid hormone(PTH)
D Thyroid-stimulating hormone (TSH)

Answer: Parathyroid hormone(PTH)
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