Description : Excretion in Hemichordates takes place by – (1) Glomerulus (2) Pronephron (3) Mesortephron (4) Metanephron
Last Answer : (1) Glomerulus Explanation: The glomerulus functions as an excretory organ in hemichordates. Soluble wastes are collected from the blood by the glomerulus, lying within the proboscis cavity, and excreted from that cavity through a dorsal pore (an opening on the upper side) to the outside.
Description : Assertion : In Balanoglossus, proboscis is involved in excretion Reason : Glomerulus is present in proboscis.
Last Answer : Assertion : In Balanoglossus, proboscis is involved in excretion Reason : Glomerulus is present in ... . If both Assertion and Reason are false.
Description : An important characteristic that Hemichordates share with Chordates is
Last Answer : An important characteristic that Hemichordates share with Chordates is (a) absence of notochord (b) ... gill slits (d) pharynx without gill slits
Description : Important characteristic that hemichordates share with chordates is (a) ventral tubular nerve cord (b) pharynx with gill slits (c) pharynx without gill slits (d) absence of notochord.
Last Answer : (b) pharynx with gill slits
Description : An important characteristic that Hemichordates share with Chordates is : (1) Ventral tubular nerve cord (2) Pharynx with gill slits (3) Pharynx without gill slits (4) Absence of notochord
Last Answer : (2) Pharynx with gill slits
Description : How excretion of gases, water & material takes place in plants?
Last Answer : Removal of Gases: - Green plants give off oxygen as waste in the daytime and carbon dioxide at night. Removal of Water: - Excess water is removed as water vapour by the process of ... ducts and canals present in the body of plants. They trickle out with the damaged parts.
Description : A 53-year-old man presented with hypertension of 150/110 mmHg. He is generally asymptomatic and has no previous medical history of note. He is a smoker of 5 cigarettes daily and drinks ... Adrenocortical adenoma 2) Bartter's syndrome 3) Liddle's syndrome 4) Liquorice ingestion 5) Pheochromocytoma
Last Answer : Answers-1 This patient is most likely to have Conn's syndrome as reflected by the hypokalaemic hypertension. Liquorice ingestion or Liddle's syndrome are again possible causes of ... hypertension (often diastolic hypertension), muscular weakness, paresthesias, headache, polyuria, and polydipsia."
Description : What does Glomerulus and Bowman’s capsule constitute? -Do You Know?
Last Answer : answer:
Last Answer : The glomerulus acts like a filter
Description : Main function of glomerulus is `:-`
Last Answer : Main function of glomerulus is `:-` A. Filtration of blood B. Reabsorption of `H_(2)O` C. Reabsorption of `Na^(+)` D. Concentration of urine
Description : In kidney, glomerulus is involved in
Last Answer : In kidney, glomerulus is involved in A. Reabsorption of salts B. Urine collection C. Urine formation by blood filtration D. Tubular secrection
Description : The filtrate from the glomerulus contains
Last Answer : The filtrate from the glomerulus contains A. Blood without cells and proteins B. Plasma without ... proteins but without cells D. Blood without urea
Last Answer : The filtrate from the glomerulus contains A. Urea and uric acid B. Urea, uric acid and ammonia C. ... and water D. Urea, uric acid, glucose and water
Description : Efferent arteriole emerging from glomerulus forms fine capillary network around renal tubule known as____ capillaries.
Last Answer : Efferent arteriole emerging from glomerulus forms fine capillary network around renal tubule known as____ capillaries.
Description : Ultrafiltration occurs in a glomerulus when
Last Answer : Ultrafiltration occurs in a glomerulus when A. Osmotic pressure exceeds hydrostatic ... hydrostatic pressure exceeds glomerular hydrostatic pressure
Description : In a glomerulus,
Last Answer : In a glomerulus, A. Afferent capillaries are thicker than efferent capillaries B. ... Afferent capillaries are thinner than efferent capillaries
Description : The polysaccharide insulin is (A) Filtered at the glomerulus but neither secreted nor reabsorbed by the tubule (B) Filtered at the glomerulus and secreted by the tubule (C) Filtered at the glomerulus and reabsorbed by the tubule (D) Filtered at the glomerulus, secreted and reabsorbed by the tubule
Last Answer : Answer : A
Description : At normal levels of creatinine in the blood, this metabolite is (A) Filtered at the glomerulus but not secreted nor reabsorbed by the tubule (B) Secreted by the tubule (C) Reabsorbed by the tubule (D) Secreted and reabsorbed by tubule
Description : Which of the following statement(s) is/are true concerning water movement across cell membranes? a. Water moves only actively through cell membrane transport proteins b. For most cells of ... cells such as the glomerulus of the kidney actively transport water to maintain hydrostatic pressure
Last Answer : Answer: b, c The energetics of water transport across cell membranes is simplified by the fact that water moves only passively due to gradients of hydrostatic pressure or water ... water is distributed at equilibrium. Water distribution is determined entirely by solute to solute distribution
Description : The functional unit of the kidney is - (1) neuron (2) glomerulus (3) nephron (4) ureter
Last Answer : (3) nephron Explanation: Nephron is the basic structural and functional unit of the kidney. Its chief function is to regulate the concentration of water and soluble substances like sodium ... blood volume and blood pressure, controls levels of electrolytes and metabolites, and regulates blood pH.
Description : Which part of the nephron in human kidney, serves the function of reabsorption of certain substances? (a) Glomerulus (b) Bowmans Capsule (c) Tubules (d) collecting duct
Last Answer : (c) Tubules
Description : Concentration of urine depends upon which organ? (a) Bowman’s capsule (b) Length of Henle’s loop (c) PCT (d) Network of capillaries arising from glomerulus
Last Answer : (b) Length of Henle’s loop
Description : Which one of the following correctly explains the function of a specific part of the human nephron? (a) Podocytes : create minute spaces (slit pores) for the filtration of blood into the ... blood capillaries (d) Afferent arteriole : carries the blood away from the glomerulus towards renal vein.
Last Answer : (a) Podocytes : create minute spaces (slit pores) for the filtration of blood into the Bowman’s capsule
Description : In what organ in the human body would you find the glomerulus, Bowman's capsule, the loop of Henle and the collecting duct?
Last Answer : ANSWER: KIDNEY
Description : The functional unit of the kidney is (1) neuron (2) glomerulus (3) nephron (4) ureter
Last Answer : nephron
Description : How does excretion take place in unicellular organisms?
Last Answer : It takes place across the cell wall of the organism throughdiffusion. They can also expel solid material using contractilevacuoles which migrate to the surface.
Description : The kidneys in human beings are a part of the system for (i) nutrition (ii) respiration (iii) excretion (iv) transportation -Biology
Last Answer : Answer. The kidneys in human beings are a part of the system for excretion and it process of the metabolic waste which can eliminated from an organism. In this vertebrates this become primarily carried out ... and other part of the skin. it is more important process in major form of the life.
Description : In what process does Hydra complete respiration and excretion ?
Last Answer : Hydra completes respiration and excretion in the diffusion process.
Description : What is the process of excretion ?
Last Answer : Excretion is the process by which the nitrogenous waste products produced in the metabolic process are expelled from the body.
Description : What is excretion ?
Last Answer : The process of forcing a gas out of a place of high pressure towards a place of low pressure through a narrow hole is called emission.
Last Answer : Excretion is the biological process by which the unwanted harmful by-products of metabolism are removed from the body or temporarily stored in any part of the body as insoluble colloidal particles .
Description : Excretion of dilute urine is due to
Last Answer : Excretion of dilute urine is due to A. More secretion of Renin B. Less secretion fo vasopression C. ... Less secretion of `K^(+)` into the filtrate
Description : Excretion of `Na^(+)` in urine is elevated by `:-`
Last Answer : Excretion of `Na^(+)` in urine is elevated by `:-` A. ANF B. ADH C. ACTH D. Aldosterone
Description : which of the following statement is correct about excretion ?
Last Answer : which of the following statement is correct about excretion ? A. Human excretes 25-30gm urea per day B. ... `2//3 ^(rd)` part of glomerular filtrate.
Description : Which of the following is correct regarding the excretion ?
Last Answer : Which of the following is correct regarding the excretion ? A. Large amount of water from renal ... pale yellow and is slightly alkaline in nature.
Description : Which one of the following statements in regard to the excretion by the human kidneys is correct?
Last Answer : Which one of the following statements in regard to the excretion by the human kidneys is ... glomerular filtrate is reabsorbed by the renal tubules
Description : Urinary excretion of Na is regulated by
Last Answer : Urinary excretion of Na is regulated by A. Anterior pituitary B. Posterior pituitory C. Adrenal cortex D. Adrenal medulla
Description : Uric acid excretion is an adaptation for
Last Answer : Uric acid excretion is an adaptation for A. Water conservation B. Water removal C. Osmoregulation D. None
Description : In Hydra, egestion of undigested food and excretion of nitrogenous wastes occur through
Last Answer : In Hydra, egestion of undigested food and excretion of nitrogenous wastes occur through A. Mouth and ... Mouth and body wall D. Mouth and tentacles.
Description : Excretion is
Last Answer : Excretion is A. Removal of substrances not required by body B. Removal of useless substances and susbtances ... some role in body D. All the above
Description : Excretion in the form of uric and urates in birds is helpful in
Last Answer : Excretion in the form of uric and urates in birds is helpful in A. Conserving body heat B. ... C. Conserving body water D. Eliminating body water
Description : At menopause there is rise in urinary excretion of
Last Answer : At menopause there is rise in urinary excretion of A. FSH B. STH C. MSH D. LH.
Description : The hormone that increases the blood calcium level and decreases its excretion by kidneys is :
Last Answer : The hormone that increases the blood calcium level and decreases its excretion by kidneys is : A. insulin B. thyroxine C. calcitonin D. parathormone
Last Answer : Which one of the following statements in regard to the excretion by the human kidneys is correct ... of Loop of Henly is impermeable to electrolytes
Description : The less amount of water is lost with the excretion of which nitrogenous product?
Last Answer : The less amount of water is lost with the excretion of which nitrogenous product? A. `NH_(3)` B. `NH_(3) ... . Urea and uric acid D. `NH_(3)` and urea
Description : Mammalian kidney resemble contractile vacuole of Amoeba in excretion of
Last Answer : Mammalian kidney resemble contractile vacuole of Amoeba in excretion of A. Glucose B. Excess water C. Urea D. Ammoriia
Last Answer : Urinary excretion of Na is regulated by A. Anterior pituitary B. Posterior pituitary C. Adrenal cortex D. Adrenal medulla
Description : Excretion involves process in which
Last Answer : Excretion involves process in which A. Harmful substances are stored in cells before being ... excessive quantities are thrown out of the body
Description : Animals with organs of Bojanus for excretion.
Last Answer : Give an example of: Animals with organs of Bojanus for excretion.