Which of the following statements about vasopressin (ADH) is incorrect?
Vasopressin is secreted by the posterior pituitary, not the anterior pituitary.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Endocrine Disorders
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Which condition is caused by the deficiency of insulin?
Insulin deficiency leads to diabetes mellitus, characterized by high blood glucose levels and glucose excretion in urine.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Endocrine Disorders
Which of the following is an incorrect statement about growth hormone (GH)?
GH deficiency in childhood leads to dwarfism, not gigantism. GH excess causes gigantism.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Endocrine Disorders
Which hormone is responsible for the regulation of blood pressure by promoting sodium excretion?
ANF, secreted by the heart, lowers blood pressure by promoting sodium excretion and vasodilation.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Endocrine Disorders
Which disorder is caused by the hypersecretion of thyroid hormones?
Graves’ disease is caused by the excessive secretion of thyroid hormones, leading to increased metabolism and weight loss.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Endocrine Disorders
Which of the following is an incorrect statement regarding vasopressin (ADH)?
ADH deficiency leads to diabetes insipidus, not diabetes mellitus.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Endocrine Disorders
Which hormone deficiency leads to excessive urination and dehydration?
A deficiency of vasopressin (ADH) leads to diabetes insipidus, causing excessive urination and dehydration.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Endocrine Disorders
Which hormone deficiency leads to a condition called diabetes insipidus?
Diabetes insipidus is caused by a deficiency of vasopressin (ADH), leading to excessive urination and dehydration.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Endocrine Disorders
Which of the following statements about growth hormone (GH) is correct?
GH is secreted by the anterior pituitary and promotes protein synthesis and cell growth.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Endocrine Disorders
Which hormone is released by the stomach and stimulates appetite?
Ghrelin, secreted by the stomach, is known as the "hunger hormone" as it stimulates appetite.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Endocrine Disorders
Which disorder is caused by excessive secretion of growth hormone in adulthood?
Acromegaly is caused by excessive secretion of GH in adults, leading to abnormal growth of bones and tissues.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Endocrine Disorders
Which of the following statements about the endocrine system is correct?
Endocrine glands are ductless, and hormones travel through the bloodstream to act on target organs.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Endocrine Disorders