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Question-1
Workers in deep mines usually suffer from dehydration because
(A)
Water is lost due to evaporation
(B)
Water is lost due to defecation
(C)
Water is lost in the form of sweat
(D)
Water is lost along with salts in the form of sweat
Question-2
Excess amino acids in the body are broken down to form urea in
(A)
kidney
(B)
Liver
(C)
Spleen
(D)
Pancreas
Question-3
The concentration of urea is least in
(A)
Renal artery
(B)
Renal vein
(C)
Post canal
(D)
Dorsal aorta
Question-4
The kidneys resemble the contractile vacuoles of amoeba in
(A)
Expelling out glucose
(B)
Expelling out excess of water
(C)
Expelling out urea and uric acid
(D)
Expelling out salts
Question-5
Human kidney has
(A)
Ciliated nephrons
(B)
No loop of Henle
(C)
Meronephric duct
(D)
Glomeruli concentrated in cortex
Question-6
In the kidney the correct sequence of formation of urine involves the following processes:
(A)
Reabsorption, filtration, secretion
(B)
Filtration, secretion, reabsorption
(C)
Glomerular filtration, reabsorption, tubular secretion
(D)
Reabsorption, secretion, filtration
Question-7
Uriniferous tubules are found in
(A)
Testes
(B)
Kidneys
(C)
Ovary
(D)
Stomach
Question-8
Difference between glomerular filtrate and blood plasma is of
(A)
Proteins in plasma
(B)
Potassium
(C)
First is white and second is yellow
(D)
Proteins in glomerular filtrate
Question-9
Loop of Henle is concerned with:
(A)
Excretory system
(B)
Reproductive system
(C)
Nervous system
(D)
Muscular system
Question-10
If a man takes in large amount of proteins he is likely to secrete more amount of
(A)
Urea
(B)
Uric acid
(C)
Sugar
(D)
Carbon dioxide
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Std 10
ICSE/ISC
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