Which of the following is not true about hormones

  • They are intracellular messengers

  • Non- nutrient chemicals

  • Produced in trace amounts

  • released into blood

Which of the following is true about Endocrine glands

  • Ductless glands

  • Secretion is hormones

  • Pour its secretion into lymph and venous blood

  • All of these

Which of the following is incorrect about hormones

  • Highly specific in nature

  • released into blood

  • nutrient chemicals

  • primary messenger

How many of the following organised endocrine glands are present in males?

Pancreas, Thymus, Adrenal, Testes, Kidney, GIT, Heart, Ovary, Pituitary, Thyroid

  • 10

  • 7

  • 6

  • 4

How many of the following organised endocrine glands are present in humans?

Pancreas, Thymus, Adrenal, Testes, Kidney, GIT, Heart, Ovary, Pituitary, Thyroid

  • 10

  • 7

  • 6

  • 4

Which of the following is true about Pancreas

  • Heterocrine gland

  • Composite gland

  • Endodermal in origin

  • All of the above

Which of the following is true about Islet of Langerhans

  • Known as exocrine pancreas

  • 1 to 2% of the pancreatic tissue

  • Secrete proteolytic enzymes

  • secrete steroidal hormones

Which of the following is responsible for hyperglycemia?

  • Glycogenolysis

  • Gluconeogenesis

  • Glycogenesis

  • Both 1 and 2

Which of the following is responsible for hypoglycemia?

  • Glycogenolysis

  • Gluconeogenesis

  • Glycogenesis

  • Both 1 and 2

Which of the following hormone is responsible for hypoglycemia

  • Insulin

  • Glucagon

  • Growth hormone

  • Both 1 and 3

Which of the following hormone is not responsible for hyperglycemia

  • Insulin

  • Glucagon

  • Growth hormone

  • Both 1 and 3

Which of the following hormone stimulates Gluconeogenesis

  • Glucagon

  • Glucocorticoids

  • Insulin

  • Both 1 and 2

The glucose homeostasis in blood is maintained by

  • Insulin

  • Glucagons

  • Both 1 and 2

  • None of these

The condition of prolonged hyperglycemia leads to

  • Diabetes Insipidus

  • Diabetes mellitus

  • Glycosuria

  • Both 2 and 3

Androgens are secreted by

  • Interstitial cells

  • Seminiferous tubules

  • Adrenal cortex

  • Both 1 and 3

Spermatogenesis takes place in

  • Interstitial cells

  • Leydig cells

  • Stromal tissues

  • None of these

Which of the following is not true about testosterone

  • stimulates spermatogenesis

  • influence libido

  • Catabolic effects on protein metabolism

  • responsible for aggressiveness in male

Which of the following is true about testosterone

  • regulate accessory sex organs development

  • stimulate muscular growth

  • responsible for low pitch voice

  • All of the above

Which of the following is a true statement

  • Removal of testis is called castration

  • Gynaecomastia in males may be due to low level of androgens

  • Eunuchoidism is due to failure of testosterone secretion

  • All of the above is correct

Which of the following is an ovarian hormone

  • estrogen

  • Progesterone

  • Inhibin

  • All of these

Which of the following hormone is secreted by Corpus luteum

  • Estrogen

  • Progesterone

  • Both 1 and 2

  • FSH and LH

Which of the following  hormone is called pregnancy hormone

  • Estrogen

  • Progesterone

  • Oxytocin

  • All of the above

Which of the following is true about progesterone

  • Supports pregnancy

  • Stimulates the formation of alveoli in breast

  • stimulates milk secretion

  • All of these

Which of the following is true about estrogen

  • responsible for high pitch of voice

  • regulate female sexual behaviour

  • regulate growth of female secondary sex organs

  • All of these

Which of the following is an amino acid derived hormone?
  • Epinephrine
  • Ecdysone
  • Estradiol
  • Estriol
The amino acid, tryptophan is the precursor for the synthesis of

 
  • thyroxine and tri-iodothyronine
  • estrogen and progesterone
  • cortisol and cortisone
  • melatonin and serotonin

Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?

 (a) Insulin  Glucagon
 (b) Aldosterone  Atrial natriuretic factor
 (c) Relaxin  Inhibin
 (d) Parathormone  Calcitonin

Match the source gland with its respective hormone as well as the function. 

Source
gland		 Hormone Function
(a) Posterior
pituitary		 Vasopressin Stimulates reabsorption
of water in the distal
tubules in the nephron
(b) Corpus
luteum		 Prolactin Supports pregnancy
(c) Thyroid Thyroxine Regulates blood calcium
level
(d) Anterior
pituitary		 Oxytocin Contraction of uterus
muscles during child birth

Which one of the following is an example of negative feedback loop in humans?

Which one of the following not act as a neurotransmitter ?
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Practice Zoology Quiz Questions and Answers