Assertion : Adrenal gland have dual origin. Reason : The aderenal cortex develops from endoderm while adrenal medulla develops from mesoderm.

Assertion : Adrenal gland have dual origin. Reason : The aderenal cortex develops from endoderm while adrenal medulla develops from mesoderm.
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Assertion : Adrenal gland have dual origin. Reason : The aderenal cortex develops from endoderm while ... D. If both Assertion and Reason are false.
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Assertion : Originwise hair are epithelial tissue which are of ectodermal origin. Reason : Epithelial tissue can be formed from mesoderm and endoderm

Description : Assertion : Originwise hair are epithelial tissue which are of ectodermal origin. Reason : Epithelial tissue can be formed from mesoderm and endoderm

Last Answer : Assertion : Originwise hair are epithelial tissue which are of ectodermal origin. Reason : Epithelial ... . If both Assertion & Reason are false.

The nervous system develops from which germ layer? a) ectoderm b) mesoderm c) endoderm d) none of the above

Description : The nervous system develops from which germ layer? a) ectoderm b) mesoderm c) endoderm d) none of the above 

Last Answer : ANSWER: A -- ECTODERM

What are the hormones secreted by Adrenal gland (Adrenal cortex, Adrenal medulla)? What are the chief functions of these hormones. -Biology

Description : What are the hormones secreted by Adrenal gland (Adrenal cortex, Adrenal medulla)? What are the chief functions of these hormones. -Biology

Last Answer : answer:

Figure shows human urinary system with structures labelled A to D. Select option which correctly identifies them and gives their characteristic and/ or functions. (a) C - Medulla - inner zone of kidney and contains complete nephrons. (b) D - Cortex - outer part of kidney and do not contain any part of nephrons. (c) A - Adrenal gland - located at the anterior part of kidney. Secrete catecholamines which stimulate glycogen breakdown. (d) B - Pelvis - broad funnel shaped space inner to hilum, directly connected to loops of Henle

Description : Figure shows human urinary system with structures labelled A to D. Select option which correctly identifies them and gives their characteristic and/ or functions. (a) C - Medulla - inner zone of ... B - Pelvis - broad funnel shaped space inner to hilum, directly connected to loops of Henle

Last Answer : (c) A - Adrenal gland - located at the anterior part of kidney. Secrete catecholamines which stimulate glycogen breakdown.

Which endocrine organ acts like the postganglionic neurons of the sympathetic nervous system? A) thyroid gland B) thymus gland C) adrenal cortex D) adrenal medulla E) islets of Langerhans of the pancreas

Description : Which endocrine organ acts like the postganglionic neurons of the sympathetic nervous system? A) thyroid gland B) thymus gland C) adrenal cortex D) adrenal medulla E) islets of Langerhans of the pancreas

Last Answer : D) adrenal medulla

The controlling or master gland(s) of the body is(are) the A) adrenal medulla and cortex. B) testes and ovaries. C) hypothalamus and anterior pituitary. D) pancreas. E) thyroid and parathyroid.

Description : The controlling or master gland(s) of the body is(are) the A) adrenal medulla and cortex. B) testes and ovaries. C) hypothalamus and anterior pituitary. D) pancreas. E) thyroid and parathyroid.

Last Answer : C) hypothalamus and anterior pituitary.

Excess secretion from this gland can cause a person to be thin, hyperactive, always hungry, & irritable. a) adrenal cortex b) thyroid c) anterior pituitary d) adrenal medulla

Description : Excess secretion from this gland can cause a person to be thin, hyperactive, always hungry, & irritable. a) adrenal cortex b) thyroid c) anterior pituitary d) adrenal medulla

Last Answer : ANSWER: B -- THYROID

Assertion : Adrenal cortex is called the gland for "fight, fright, and flight." Reason : The hormones adrenaline and nor-adrenaline help the body to c

Description : Assertion : Adrenal cortex is called the gland for "fight, fright, and flight." Reason : The hormones adrenaline and nor-adrenaline help the body to c

Last Answer : Assertion : Adrenal cortex is called the gland for "fight, fright, and flight." Reason : The hormones ... . D. If both Assertion and Reason are false.

The following are germ layer origin of tissues a. ectoderm b. mesoderm c. endoderm d. All

Description : The following are germ layer origin of tissues a. ectoderm b. mesoderm c. endoderm d. All

Last Answer : All

Steroid hormones are synthesised in all of the following except (A) Testes (B) Ovaries (C) Adrenal medulla (D) Adrenal cortex

Description : Steroid hormones are synthesised in all of the following except (A) Testes (B) Ovaries (C) Adrenal medulla (D) Adrenal cortex

Last Answer : Answer : A

Pheochromocytomas are tumours of (A) Adrenal cortex (B) Adrenal medulla (C) Pancreas (D) Bone

Description : Pheochromocytomas are tumours of (A) Adrenal cortex (B) Adrenal medulla (C) Pancreas (D) Bone

Last Answer : Answer : B

Catecholamine hormones are synthesized in the (A) Chromaffin cells of adrenal medulla (B) Zona glomerulosa of adrenal cortex (C) Zona fasciculate of adrenal cortex (D) Zona reticularis of adrenal cortex

Description : Catecholamine hormones are synthesized in the (A) Chromaffin cells of adrenal medulla (B) Zona glomerulosa of adrenal cortex (C) Zona fasciculate of adrenal cortex (D) Zona reticularis of adrenal cortex

Last Answer : Answer : A

In human body highest concentration of ascorbic acid is found in (A) Liver (B) Adrenal cortex (C) Adrenal medulla (D) Spleen

Description : In human body highest concentration of ascorbic acid is found in (A) Liver (B) Adrenal cortex (C) Adrenal medulla (D) Spleen

Last Answer : Answer : B

A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro- hormonal control system? (a) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla. (b) Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse. (c) Hypothalamus activates the parasympathetic division of brain. (d) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal cortex.

Description : A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro- hormonal control system? ... brain. (d) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal cortex.

Last Answer : (a) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla.

A fall in glomerular filtration rate (GFR) activates (a) juxtaglomerular cells to release renin (b) adrenal cortex to release aldosterone (c) adrenal medulla to release adrenaline (d) posterior pituitary to release vasopressin.

Description : A fall in glomerular filtration rate (GFR) activates (a) juxtaglomerular cells to release renin (b) adrenal cortex to release aldosterone (c) adrenal medulla to release adrenaline (d) posterior pituitary to release vasopressin.

Last Answer : (a) juxtaglomerular cells to release renin

Cortisol is released from the A) adrenal medulla. B) adrenal cortex. C) thyroid. D) parathyroid. E) posterior pituitary.

Description : Cortisol is released from the A) adrenal medulla. B) adrenal cortex. C) thyroid. D) parathyroid. E) posterior pituitary.

Last Answer : B) adrenal cortex.

A woman with a beard most likely has a malfunctioning A) pancreas. B) pituitary. C) adrenal cortex. D) adrenal medulla. E) thyroid.

Description : A woman with a beard most likely has a malfunctioning A) pancreas. B) pituitary. C) adrenal cortex. D) adrenal medulla. E) thyroid.

Last Answer : C) adrenal cortex.

Which of the following endocrine glands does NOT produce its own hormones but stores hormones produced by the hypothalamus? A) thyroid B) adrenal cortex C) adrenal medulla D) posterior pituitary E) anterior pituitary

Description : Which of the following endocrine glands does NOT produce its own hormones but stores hormones produced by the hypothalamus? A) thyroid B) adrenal cortex C) adrenal medulla D) posterior pituitary E) anterior pituitary

Last Answer : D) posterior pituitary

A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system ? (1) Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal cortex (2) Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal medulla (3) Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse (4) Hypothalamus activates the parasympathetic division of brain

Description : A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system ? (1 ... across the cleft and transmit a nerve impulse (4) Hypothalamus activates the parasympathetic division of brain

Last Answer : (2) Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal medulla

Gonads develop from embryonic (a) ectoderm (b) endoderm (c) mesoderm (d) both mesoderm and endoderm.

Description : Gonads develop from embryonic (a) ectoderm (b) endoderm (c) mesoderm (d) both mesoderm and endoderm.

Last Answer : (c) mesoderm

Eye lens is formed from (a) ectoderm (b) mesoderm (c) endoderm (d) ectoderm and mesoderm.

Description : Eye lens is formed from (a) ectoderm (b) mesoderm (c) endoderm (d) ectoderm and mesoderm.

Last Answer : (a) ectoderm

The amnion of mammalian embryo is derived from (a) ectoderm and mesoderm (b) endoderm and mesoderm (c) mesoderm and trophoblast (d) ectoderm and endoderm

Description : The amnion of mammalian embryo is derived from (a) ectoderm and mesoderm (b) endoderm and mesoderm (c) mesoderm and trophoblast (d) ectoderm and endoderm

Last Answer : (a) ectoderm and mesoderm

Coelom is found between (a) body wall and ectoderm (b) ectoderm and endoderm (c) mesoderm and body wall (endoderm) (d) mesoderm and ectoderm.

Description : Coelom is found between (a) body wall and ectoderm (b) ectoderm and endoderm (c) mesoderm and body wall (endoderm) (d) mesoderm and ectoderm.

Last Answer : (c) mesoderm and body wall (endoderm)

The amnion of mammalian embryo is derived from (1) ectoderm and mesoderm (2) endoderm and mesoderm (3) mesoderm and trophoblast (4) ectoderm and endoderm

Description : The amnion of mammalian embryo is derived from (1) ectoderm and mesoderm (2) endoderm and mesoderm (3) mesoderm and trophoblast (4) ectoderm and endoderm

Last Answer : (1) ectoderm and mesoderm

The part of the brain controlling the anterior pituitary gland secretions is the A) medulla. B) thalamus. C) cerebral cortex. D) hypothalamus. E) cerebellum. Answer: D 21. Which of the following hormones is/are NOT a product of the anterior lobe of the pituitary? A) growth hormone B) antidiuretic hormone C) gonadotropic hormones D) thyroid-stimulating hormone E) adrenocorticotropic hormone

Description : The part of the brain controlling the anterior pituitary gland secretions is the A) medulla. B) thalamus. C) cerebral cortex. D) hypothalamus. E) cerebellum. Answer: D ... B) antidiuretic hormone C) gonadotropic hormones D) thyroid-stimulating hormone E) adrenocorticotropic hormone

Last Answer : B) thalamus.

Calcitonin is synthesised in (A) Parathyroid glands (B) Thyroid gland (C) Pars intermedia of pituitary (D) Adrenal cortex

Description : Calcitonin is synthesised in (A) Parathyroid glands (B) Thyroid gland (C) Pars intermedia of pituitary (D) Adrenal cortex

Last Answer : Answer : B

Cholecystokinin and duocrinin are secreted by (a) adrenal cortex (b) thyroid gland (c) intestine (d) pancreas.

Description : Cholecystokinin and duocrinin are secreted by (a) adrenal cortex (b) thyroid gland (c) intestine (d) pancreas.

Last Answer : (c) intestine

Which one of the following is the matching set of the gland and its secretion (a) Pituitary gland - Thyroxin (b) Salivary gland - Amylase (c) Adrenal cortex - Vasopressin (d) Islets of Langerhens - Secretin

Description : Which one of the following is the matching set of the gland and its secretion (a) Pituitary gland - Thyroxin (b) Salivary gland - Amylase (c) Adrenal cortex - Vasopressin (d) Islets of Langerhens - Secretin

Last Answer : (b) Salivary gland - Amylase

Pick up correct statement about organs with dual origin from embronic layers. 1. Hypophysis 2. Adrenal glands 3. Sence organs 4. Pancreas.

Description : Pick up correct statement about organs with dual origin from embronic layers. 1. Hypophysis 2. Adrenal glands 3. Sence organs 4. Pancreas.

Last Answer : Pick up correct statement about organs with dual origin from embronic layers. 1. Hypophysis 2. Adrenal glands 3. ... C. 2,4 correct D. 1,3 correct.

The blastula develops into the: a) gastrula b) morula c) endoderm d) zygote

Description : The blastula develops into the: a) gastrula b) morula c) endoderm d) zygote

Last Answer : ANSWER: A -- GASTRULA

Which of the following statements is false? (i) Medulla is divided into about renal pyramids (ii) Outer cortex and inner medulla are the two zones in

Description : Which of the following statements is false? (i) Medulla is divided into about renal pyramids (ii) Outer cortex and inner medulla are the two zones in

Last Answer : Which of the following statements is false? (i) Medulla is divided into about renal pyramids (ii) Outer cortex and ... B. ii and iv C. i and iv D. iv

In the human kidney: a. renal plasma flow is normally 660 ml/minute b. blood flow in the cortex is greater than that in the medulla c. resorption of ions and water occurs mainly in the distal convoluted tubules d. anti-diuretic hormone increases water resorption mainly in the distal convoluted tubules

Description : In the human kidney: a. renal plasma flow is normally 660 ml/minute b. blood flow in the cortex is greater than that in the medulla c. resorption of ions and water ... the distal convoluted tubules d. anti-diuretic hormone increases water resorption mainly in the distal convoluted tubules

Last Answer : blood flow in the cortex is greater than that in the medulla

Assertion `:-` In cortical nephrone, the loop of Henle is too short and extends only very little into medulla. Reason `:-` Vasa recta is absent or hig

Description : Assertion `:-` In cortical nephrone, the loop of Henle is too short and extends only very little into medulla. Reason `:-` Vasa recta is absent or hig

Last Answer : Assertion `:-` In cortical nephrone, the loop of Henle is too short and extends only very little into ... . D. If both Assertion & Reason are false.

Pheochromacytoma is a tumor of (A) adrenal medulla (B) bone (C) head of Pancreas (D) pituitary

Description : Pheochromacytoma is a tumor of (A) adrenal medulla (B) bone (C) head of Pancreas (D) pituitary

Last Answer : Answer : A

Epinephrine is synthesised in (A) Chromaffin cells of adrenal medulla (B) Sympathetic ganglia (C) Brain (D) All of these

Description : Epinephrine is synthesised in (A) Chromaffin cells of adrenal medulla (B) Sympathetic ganglia (C) Brain (D) All of these

Last Answer : Answer : D

Mention the hormones secreted by adrenal medulla.

Description : Mention the hormones secreted by adrenal medulla.

Last Answer : Adrenal medulla secretes three hormones adrenaline, nor-adrenaline and dopamine.

The following are true about aldosterone: a. it is secreted by the adrenal medulla b. its secretion is stimulated by decreased blood volume c. it stimulates active reabsorption of sodium in the distal renal tubules. d. it causes increased secretion of potassium by the distal renal tubules.

Description : The following are true about aldosterone: a. it is secreted by the adrenal medulla b. its secretion is stimulated by decreased blood volume c. it stimulates active reabsorption of sodium in the distal renal tubules. d. it causes increased secretion of potassium by the distal renal tubules.

Last Answer : it causes increased secretion of potassium by the distal renal tubules.

Acetylcholine is a neurotransmitter at: a. sweat glands b. the adrenal medulla c. parasympathetic ganglia d. all above

Description : Acetylcholine is a neurotransmitter at: a. sweat glands b. the adrenal medulla c. parasympathetic ganglia d. all above

Last Answer : all above

Select the correct matching of a hormone, its source and function. Hormone Source Function (a) Vasopressin Posterior Increases loss pituitary of water through urine (b) Norepine- Adrenal Increases heart phrine medulla beat, rate of respiration and alterness (c) Glucagon Beta-cells Stimulates of Islets of glycogenolysis Langerhans (d) Prolactin Posterior Regulates growth pituitary of mammary glands and milk formation in females

Description : Select the correct matching of a hormone, its source and function. Hormone Source Function (a) Vasopressin Posterior Increases loss pituitary of water through urine (b) Norepine- Adrenal ... (d) Prolactin Posterior Regulates growth pituitary of mammary glands and milk formation in females

Last Answer : (b) Norepine- Adrenal Increases heart phrine medulla beat, rate of respiration and alterness

Fight-or-flight reactions cause activation of (a) the parathyroid glands, leading to increased metabolic rate (b) the kidney, leading to suppression of renin- angiotensin-aldosterone pathway (c) the adrenal medulla, leading to increased secretion of epinephrine and norepinephrine (d) the pancreas leading to a reduction in the blood sugar levels.

Description : Fight-or-flight reactions cause activation of (a) the parathyroid glands, leading to increased metabolic rate (b) the kidney, leading to suppression of renin- angiotensin-aldosterone pathway (c) ... epinephrine and norepinephrine (d) the pancreas leading to a reduction in the blood sugar levels.

Last Answer : (c) the adrenal medulla, leading to increased secretion of epinephrine and norepinephrine

Which of the following hormones is NOT correctly matched with its description? A) thymosin--aids in production of T cells B) thyroxin--needed for growth and development in vertebrates C) parathyroid hormone--increases level of calcium ions in blood D) cortisol--lowers blood glucose level by removing glucose into tissues E) epinephrine--released by the adrenal medulla under stressful conditions

Description : Which of the following hormones is NOT correctly matched with its description? A) thymosin--aids in production of T cells B) thyroxin--needed for growth and development in vertebrates ... by removing glucose into tissues E) epinephrine--released by the adrenal medulla under stressful conditions

Last Answer : D) cortisol--lowers blood glucose level by removing glucose into tissues E) epinephrine--released by the adrenal medulla under stressful conditions

Angiotensin II causes rise in blood pressure by: A. Direct vasoconstriction B. Releasing adrenaline from adrenal medulla C. Increasing central sympathetic tone D. All of the above

Description : Angiotensin II causes rise in blood pressure by: A. Direct vasoconstriction B. Releasing adrenaline from adrenal medulla C. Increasing central sympathetic tone D. All of the above

Last Answer : D. All of the above

The action of histamine that is not mediated through H1 receptors is: A. Release of EDRF from vascular endothelium resulting in vasodilatation B. Direct action on vascular smooth muscle causing vasodilatation C. Bronchoconstriction D. Release of catecholamines from adrenal medulla

Description : The action of histamine that is not mediated through H1 receptors is: A. Release of EDRF from vascular endothelium resulting in vasodilatation B. Direct action on vascular smooth muscle causing vasodilatation C. Bronchoconstriction D. Release of catecholamines from adrenal medulla

Last Answer : B. Direct action on vascular smooth muscle causing vasodilatation

The major postjunctional cholinergic receptor is of the muscarinic type at the following site: A. Postganglionic parasympathetic B. Adrenal medulla C. Autonomic ganglia D. Neuromuscular junction

Description : The major postjunctional cholinergic receptor is of the muscarinic type at the following site: A. Postganglionic parasympathetic B. Adrenal medulla C. Autonomic ganglia D. Neuromuscular junction

Last Answer : A. Postganglionic parasympathetic

The action of histamine that is not mediated through H1 receptors is: A. Release of EDRF from vascular endothelium resulting in vasodilatation B. Direct action on vascular smooth muscle causing vasodilatation C. Bronchoconstriction D. Release of catecholamines from adrenal medulla

Description : The action of histamine that is not mediated through H1 receptors is: A. Release of EDRF from vascular endothelium resulting in vasodilatation B. Direct action on vascular smooth muscle causing vasodilatation C. Bronchoconstriction D. Release of catecholamines from adrenal medulla

Last Answer : B. Direct action on vascular smooth muscle causing vasodilatation

The major postjunctional cholinergic receptor is of the muscarinic type at the following site: A. Postganglionic parasympathetic B. Adrenal medulla C. Autonomic ganglia D. Neuromuscular junction

Description : The major postjunctional cholinergic receptor is of the muscarinic type at the following site: A. Postganglionic parasympathetic B. Adrenal medulla C. Autonomic ganglia D. Neuromuscular junction

Last Answer : A. Postganglionic parasympathetic

Assertion `:-` Angiotensin II, activates the adrenall cortex to release aldosterone. Reason `:-` Aldosterone causes reabsorption of `Na^(o+)` and wate

Description : Assertion `:-` Angiotensin II, activates the adrenall cortex to release aldosterone. Reason `:-` Aldosterone causes reabsorption of `Na^(o+)` and wate

Last Answer : Assertion `:-` Angiotensin II, activates the adrenall cortex to release aldosterone. Reason `:-` ... D. If both Assertion & Reason are false.

Medulla oblongata develops from

Description : Medulla oblongata develops from

Last Answer : Medulla oblongata develops from A. Ectoderm B. Endoderm C. Mesoderm D. Mesenchyme.

What is the function of the adrenal cortex?

Description : What is the function of the adrenal cortex?

Last Answer : A: The adrenal cortex produces hormones that regulate various functions in the body, including metabolism and immune response.

How is the adrenal cortex involved in the stress response? -Biology

Description : How is the adrenal cortex involved in the stress response? -Biology

Last Answer : answer: