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4

Separation of amino acid into amino and carboxyl group is known as

A. deamination

B. excretion

C. animation

D. egestkxi

Correct Answer :

A. deamination


Related Questions

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4

Columns of Bertini in the kidneys of mammals are formed as extension of

A. medulla into pelvis

B. medulla into cortex

C. cortex into medulla

D. pelvis into ureter

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4

Birds and reptiles excrete their nitrogenous waste in the form of

A. uric acid and urea

B. urea

C. urea and uric acid respectively

D. uric acid

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4

The vessel carrying blood into the Bowman's capsule in kidney of frog is known as

A. aferent arteriole

B. efferent arteriole

C. renal portal vein

D. any of these

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4

In ancestral verterbrates the kidney is known as

A. glomerular type

B. aglomerular type

C. holonephric type

D. metanephric type

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4

Urea is formed from ammonia and carbon dioxide in

A. liver cells

B. every living cell

C. kidney and muscles

D. liver and kidney

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4

A condition in which urine contains blood is termed as

A. creatinine

B. anuria

C. haematuria

D. ketonuria

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4

Which of these are uricotelic ?

A. Monkey

B. Lizard

C. Fish

D. Frog

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4

Ammonia is the chief nitrogenous excretory material in

A. reptiles

B. turtles

C. tadpoles

D. amphibians

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4

In kidney, glucose is mainly absorbed by

A. Bowman's capsule

B. Loop of Henle

C. Proximal convoluted tubule

D. Distal convoluted tubule

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4

The plasma resembles in its composition with the filtrate produced in the glomerulus except for the presence of

A. chlorides

B. amino acids

C. glucose

D. none of these

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4

In the kidneys, the pressure gradient or the effective filtration pressure (E.F.P.) is determined by

A. glomerullar hydrostatic pressure

B. capsular hydrostatic pressure

C. blood colloidal osmotic pressure

D. all of these

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4

Malpighian bodies are found in

A. kidney of vertebrates and is involved in ultrafiltration

B. kidney of vertebrates and is involved in passive filtration

C. kidney of vertebrates and is involved in selective reabsorption

D. insects and involved in excretion

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4

The normal glomerular filtration rate in man is

A. 125 ml/minute

B. 250 ml/minute

C. 500 ml /minute

D. 1200 ml/minute

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4

In which part of the excretory system of a mammal can you first use the term urine for the fluid it contains?

A. Bowman's capsule

B. Loop of Henle

C. Collecting tubule

D. Urinary bladder

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4

In the kidneys of rabbit, the loops of Henle are found in

A. medulla

B. cortex

C. pelvic

D. pyramid

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The liquid which collects in the cavity of Bowman's capsule is

A. concentrated urine

B. blood plasma minus blood proteins

C. a solution containing excretory wastes

D. a solution containing wastes

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4

Liquid which collects in the cavity of Bowman's capsule is

A. concentrated urine

B. plasma minus blood proteins

C. glycogen and water

D. sulphates and water

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4

The filtrate from glomerulus contains

A. blood without blood cells and proteins

B. plasma without sugar

C. blood with proteins but without cells

D. blood without urea

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4

Diuresis is the condition in which

A. the excretion of volume of urine increases

B. the excretion of volume of urine decreases

C. the kidneys fail to excrete urine

D. the water balance of blood is disturbed

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4

In rabbit, the urinary bladder opens into

A. uterus

B. urethra

C. vestibule

D. ureter

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4

The plasma passing through the glomerulus loses about

A. 50% of its volume as filtrate

B. 20% of its volume as filtrate

C. 80% of its volume as filtrate

D. 40% of its volume as filtrate

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4

The loop of Henle is poorly developed or absent in............as it is concerned with reabsorption of water.

A. desert mouse

B. carnivorous bird

C. fish

D. snake

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4

Under normal conditions which one is completely reabsorbed in the renal tubule?

A. Urea

B. Uric acid

C. Salts

D. Glucose

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4

The renal threshold for glucose in blood of man is

A. 80 mg/100 ml

B. 150 mg/100 ml

C. 200 mg/100 ml

D. 300mg/100 ml

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4

The normal renal blood flow amounts to

A. 125 litres per day

B. 500 litres per day

C. 1000 litres per day

D. 1700 litres per day

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4

The highest concentration of urea is found in

A. renal vein

B. hepatic portal vein

C. dorsal aorta

D. hepatic vein

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4

In man, the kidneys are

A. pronephric

B. mesonephrk:

C. metanephric

D. all types

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4

In normal adult humans, glomerular filtration rate (G.F.R) is on an average

A. 100 litres/day

B. 120 litres/day

C. 150 litres/day

D. 180 litres/day

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4

The total volume of blood passing through the kidneys in one minute is about

A. 125 ml

B. 500 ml

C. 1200 ml

D. 250 ml

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4

When urine is allowed to stand, it gives strong ammoniacal odour, due to

A. conversion of urea to ammonia via ornithinearginine cycle

B. conversion of urea to ammonia by bacteria

C. conversion of urea and uric acid to ammonia

D. none of these