NEET UG Excretory Products — practice questions
73 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice NEET UG Excretory Products in the app →Functional unit of the kidney is the:Main nitrogenous waste in humans is:Renin is secreted by:Refer to the diagram showing the urinary system:
 in a healthy adult is approximatelyReabsorption of nearly all essential nutrients takes place mainly in theMalpighian tubules are the excretory structures ofThe act of releasing urine from the urinary bladder is calledUricotelic animals includeThe kidney lies between which vertebral landmarks?The cortex of the kidney extends in between the medullary pyramids asJuxtamedullary nephrons differ from cortical nephrons in that they haveThe juxtaglomerular apparatus (JGA) is formed by cellular modifications of theRenin released by JG cells acts toThe descending limb of Henle's loop isIn the ascending limb of Henle's loop, the filtrate becomesThe counter-current mechanism for urine concentration involvesCortical nephrons differ from juxtamedullary nephrons in that they haveThe osmolarity of the medullary interstitium ranges approximately fromAldosterone secreted by the adrenal cortex acts on the DCT toProtonephridia (flame cells) are the excretory structures ofADH (vasopressin) acts mainly on theThe Bowman's capsule visceral layer is composed of specialised cells calledAtrial Natriuretic Factor (ANF) is released by theIn humans, the ascending limb of Henle is impermeable to water mainly becauseThe vasa recta arises fromUraemia refers toRenal calculi are typically formed byMammals are predominantlyGlomerular filtration in the kidney is driven byThe structural and functional unit of the kidney is theADH (vasopressin) acts on the kidney toThe presence of glucose in urine is calledA patient with end-stage renal failure typically requiresBirds, reptiles, and insects are classified as URICOTELIC because they primarily excrete:The functional unit of the human kidney is called the:The juxtamedullary nephrons (~15%) are responsible mainly for:The Glomerular Filtration Rate (GFR) in a healthy adult is approximately:Most of the GLUCOSE in the glomerular filtrate is reabsorbed in the:ADH (anti-diuretic hormone, vasopressin) acts to:CO2 in the human body is primarily excreted by the:The condition of having high urea levels in the blood (a sign of kidney failure) is called:In haemodialysis, wastes are removed from the patient's blood by the principle of:Which nitrogenous waste is the most toxic?Which nitrogenous waste needs the least water to remove?Ammonotelic animals include bony fishes and:Ammonia is generally excreted across body or gill surfaces by:Ammonia is converted into urea in the:Which of these groups is ureotelic?Uricotelic animals include birds, insects, land snails and:Flame cells are otherwise known as:Each nephron has a renal tubule and a:The glomerulus together with Bowman's capsule is called the:How much blood is filtered by the kidneys each minute?The glomerular filtration rate in a healthy person is about:That filtration rate amounts per day to about:Comparing 180 litres filtered with 1.5 litres of urine, reabsorption is nearly:A fall in glomerular filtration rate makes the JG cells release:Angiotensin II activates the adrenal cortex to release:Antidiuretic hormone is also known as:ADH mainly increases the reabsorption of:How much urine does an adult human pass per day on average?Human urine is slightly acidic, with a pH of about:How much urea does an adult excrete per day on average?The presence of glucose in urine is called: