Practice free Zoology NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
The yellow colour of urine of the vertebrates in due to
The yellow color of urine in vertebrates is primarily due to the presence of urochrome. Urochrome is a pigment that results from the breakdown of hemoglobin from dead red blood cells. This pigment is what gives urine its characteristic yellow color.
The glomerular filteration rate in a normal adult is nearly
The glomerular filtration rate (GFR) in a normal adult is approximately 125 ml/min. This rate indicates the amount of blood that is filtered by the glomeruli of the kidneys per minute. It is a crucial indicator of kidney function.
What is the approximately length and diameter of uriniterous tubule?
Urea formation occur by:
Urea formation occurs through the Ornithine cycle, also known as the urea cycle. The cycle converts ammonia, which is toxic to the body, into urea, which can be excreted in urine. This process primarily takes place in the liver.
Function of loop of Henle is
The primary function of the loop of Henle in the kidney is the conservation of water. It creates a concentration gradient in the medulla of the kidney, which helps the body to reabsorb water and concentrate urine, thus conserving water.
Ascending loop of henle is perrmeable to ?
Proboscis gland is balanoglossus is associated with
The proboscis gland in Balanoglossus is associated with excretion. It plays a role in the removal of metabolic wastes from the body, functioning similarly to a primitive excretory system.
The appearance of albumin in the urine is most likely due to..
The appearance of albumin in the urine, a condition known as albuminuria, is most likely due to damage to the Malpighian corpuscles (glomeruli). The glomeruli are responsible for filtering blood, and damage to them can lead to the leakage of proteins like albumin into the urine.
The blood constituents that remain unchanged in quality after circulating through the kidneys are...
The kidneys filter waste products from the blood while retaining essential constituents. Glucose and proteins are typically not lost in the urine. Glucose is reabsorbed in the proximal tubule, and proteins are usually too large to pass through the glomerular filter. Hence, their levels remain unchanged after the blood circulates through the kidneys.
The mechanism of urine formation innephorn involves
The process of urine formation in the nephron includes three main mechanisms: ultrafiltration, reabsorption, and secretion. Ultrafiltration occurs in the glomerulus, reabsorption occurs primarily in the proximal tubule, and secretion happens in the distal tubule and collecting duct.
Ready to ace NEET?
Free access · No credit card required
Yes. You can attempt every Zoology question on this page for free without logging in, and check the correct answer with a detailed explanation instantly.
No account is required to attempt questions and view answers. A free account adds bookmarks, personal notes, and progress tracking.
The bank mixes NEET previous year questions (PYQs) with practice questions, each tagged with its exam appearances where applicable.