The Excretory System Class 10 ICSE Biology MCQ Questions
Looking for The Excretory System Class 10 ICSE Biology Chapter 9 MCQ Questions? If yes, You are the right page. Here we have provided ICSE class 10 biology Chapter 9 multiple choice questions and answers. All MCQ are important.
( I ) Choose the best answer
( 1 ) The procedure in which the chemical wastes are eliminated from the body is called
a ) Digestion b ) Elimination
c ) Excretion d ) Secretion
Answer : c ) Excretion
( 2 ) The stable condition of the body is maintained with the help of
a ) Internal process b ) Excretion
c ) External process d ) Reproduction
Answer : b ) Excretion
( 3 ) Excretory system plays an essential role in the creation, restoration and eradication of
a ) Urine b ) Feces
c ) Saliva d ) None of the above
Answer : a ) Urine
( 4 ) The expulsion of carbon dioxide with the help of lungs should not be considered as a component of
a ) Respiration b ) Eradication
c ) Production d ) Excretion
Answer : d ) Excretion
( 5 ) The chemical substances that requires to be removed from the body are
a ) Carbon dioxide and water vapour
b ) Nitrogenous metabolic wastes , excessive salts and vitamins
c ) Excessive water and bike pigments
d ) All of the above
Answer : d ) All of the above
( 6 ) The excessive water is discharged from the body in the form of
a ) Sweat b ) Oil
c ) Sebum d ) Fluids
Answer : a ) Sweat
( 7 ) The accumulation of urea in the blood to a specific extent may even lead to
a ) Disorder b ) Ailment
c ) Death d ) Mental disturbance
Answer : c ) Death
( 8 ) The disintegrated components of hemoglobin of the deceased red blood cells constitutes
a ) Urea b ) Excessive salts
c ) Liquid substance d ) Bile pigments
Answer : d ) Bile pigments
( 9 ) Kidneys , skin , lungs and liver falls under the category of
a ) Excretory organs b ) Reproductive organs
c ) Non – excretory organs d ) Regulatory organs
Answer : a ) Excretory organs
( 10 ) Liver plays a very important role in detoxifying ammonia by transforming it into
a ) Creatinine b ) Urea
c ) Bile pigments d ) None of the above
Answer : b ) Urea
( 11 ) The expansion of forepart edge of the ureter into kidney is known by the term of
a ) Cervix b ) Hip
c ) Pelvis d ) Abdomen
Answer : c ) Pelvis
( 12 ) Tears , sweat , saliva , milk and insulin are some of the most appropriate examples of
a ) Excretion b ) Reabsorption
c ) Substitution d ) Secretion
Answer : d ) Secretion
( 13 ) An outer dark cortex and an inner lighter medulla represents two major domains of
a ) Kidney b ) Liver
c ) Heart d ) Lungs
Answer : a ) Kidney
( 14 ) The kidney is made up of large quantity of minimal tubules which is known as
a ) Proximal convoluted tubule b ) Distal convoluted tubule
c ) Uriniferous tubules d ) Liver lobule
Answer : c ) Uriniferous tubules
( 15 ) What is the full form of PCT ?
a ) Proximal convex tubule b ) Proximal convoluted tubule
c ) Primary convoluted tubule d ) Proximal convoluted tissue
Answer : b ) Proximal convoluted tubule
( 16 ) The collective association of glomerulus and the bowman’s capsule is rightly termed as
a ) Malpighian capsule b ) Glomerulus
c ) Loop of Henle d ) Bowman’s capsule
Answer : a ) Malpighian capsule
( 17 ) DCT primarily stands for
a ) Distal conclave tubule b ) Double convoluted tubule
c ) Distal convex tubule d ) Distal convoluted tubule
Answer : d ) Distal convoluted tubule
( 18 ) How much liter (s) of blood moves through the kidney every minute ?
a ) 2 litres b ) 4 litres
c ) 1 litre d ) 3 litres
Answer : c ) 1 litre
( 19 ) What are the two kinds of blood vessels that helps in rendering and removing blood from the glomerulus?
a ) Afferent arteriole and hypertension b ) Afferent arteriole and efferent arteriole
c ) Efferent arteriole and glomerulus d ) Secondary capillary network and posterior vena cava
Answer : b ) Afferent arteriole and efferent arteriole
( 20 ) How many times a day , the entire body blood flows with the help of the kidneys?
a ) 350 – 400 times b ) 200 – 250 times
c ) 100 – 150 times d )450 – 500 times
Answer : a ) 350 – 400 times
( 21 ) The crucial steps involved in the production of urine mainly includes
a ) Ultrafiltration b ) Reabsorption
c ) Tubular secretion d ) All of the above
Answer : d ) All of the above
( 22 ) The entrance of liquefied substance into the renal tubule is known by the term of
a ) Ultrafiltration b ) Afferent arteriole
c ) Glomerular filtrate d ) Efferent arteriole
Answer : c ) Glomerular filtrate
( 23 ) The glomerulus filtrate is primarily composed of
a ) Water , urea and sugar
b ) Water , urea , salts , glucose and other plasma solutes
c ) Salts and glucose
d ) None of the above
Answer : b ) Water , urea , salts , glucose and other plasma solutes
( 24 ) When filtrate are kept behind after going through the process of reabsorption and tubular secretion, then it is known as
a ) Urine b ) fluid
c ) Solid substance d ) Feces
Answer : a ) Urine
( 25 ) Bowman’s capsule contributes in the process of
a ) Eliminating glomerular filtrate
b ) Blocking glomerular filtrate
c ) Transferring glomerular filtrate
d ) Receiving glomerular filtrate
Answer : d ) Receiving glomerular filtrate
( 26 ) How much quantity of water is reabsorbed with the help of proximal convoluted tubule ?
a ) Three – fourth b ) One- third
c ) Two – thirds d ) Two – fourth
Answer : c ) Two – thirds
( 27 ) Loop of Henle plays a crucial role in the process of absorbing
a ) Water and sodium ions b ) Salt and glucose
c ) Sugar and iodine d ) Fructose and sucrose
Answer : a ) Water and sodium ions
( 28 ) Ultrafiltration is mostly carried out with the support of
a ) Distal convoluted tubule b ) Glomerulus
c ) Loop of Henle d ) Bowman’s capsule
Answer : b ) Glomerulus
( 29 ) Colour , volume, pH , odour and specific gravity falls under the domain of
a ) Components of urine b ) Structural features of urine
c ) Functional components of urine d ) Physical properties of urine
Answer : d ) Physical properties of urine
( 30 ) The specific gravity of urine mostly range between
a ) 1 .003 – 1.035 b ) 1.037 – 1.039
c ) 1. 045 – 1.048 d ) 1.050 – 1.052
Answer : a ) 1 .003 – 1.035
( 31 ) The composition of standard human urine initially incorporates
a ) 94 % of water and 6 % solid wastes b ) 90 % of water and 10 % solid wastes
c ) 95 % of water and 5 % solid wastesd ) 98 % of water and 2 % solid wastes
Answer : c ) 95 % of water and 5 % solid wastes
( 32 ) The urine not only helps in passing out normal constituents but at the same time it also renders support in passing out
a ) Certain steroids b ) Certain hormones and medicines
c ) Certain enzymes d ) Certain liquefied substances
Answer : b ) Certain hormones and medicines
( 33 ) Which of the following represents the abnormal constituents in urine
a ) Blood cells b ) Glucose
c ) Albumin and bile pigments d ) All of the above
Answer : d ) All of the above
( 34 ) Haematuria is another name of
a ) Blood cells b ) Albumin
c ) Bile pigments d ) Glucose
Answer : a ) Blood cells
( 35 ) Glycosuria is a condition in which , there is excessive passage of glucose with urine as a result of
a ) Blood pressure b ) Hormonal imbalance
c ) Diabetes mellitus d ) Urine infection
Answer : c ) Diabetes mellitus
( 36 ) As a result of diabetes, the taste of urine may become
a ) Saltish
b ) Sweetish
c ) Sour
d ) Bitter
Answer : b ) Sweetish
( 37 ) The presence of excessive water in the urine may make the taste of the urine insipid and this condition is popularly termed as
a ) Haematuria b ) Diabetes mellitus
c ) Glycosuria d ) Diabetes insipidus
Answer : d ) Diabetes insipidus
( 38 ) The decline in the secretion of antidiuretic hormone ( ADH ) might result in
a ) Increased production of urine b ) Minimal production of urine
c ) Average production of urine d ) None of the above
Answer : a ) Increased production of urine
( 39 ) Substances that are responsible for enhancing the creation of urine is known as
a ) Diuresis
b ) Diuretics
c )Enuresis
d ) Natriuresis
Answer :b ) Diuretics
( 40 ) Artificial kidney is considered as a
a ) Replacement b ) Substitute
c ) Dialysis machine d ) Factitious machine
Answer : c ) Dialysis machine
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