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Question-1
In which part of the body is the waste filtered from the blood?
(A)
Bladder
(B)
Liver
(C)
Intestine
(D)
Kidneys
Question-2
Homeostasis is:
(A)
Controlled only by hormones
(B)
Controlled only by nerves
(C)
Under both nervous and hormonal control
(D)
Under conscious control
Question-3
Which is the cause of kidney failure?
(A)
Acute kidney injury
(B)
Smoking
(C)
Indigestion
(D)
Blood pressure
Question-4
What is the functional filtration unit in the kidney?
(A)
Renal tubule
(B)
Renal corpuscle
(C)
Nephron
(D)
Glomerulus
Question-5
What is the source of the waste products that are excreted by the urinary system?
(A)
Metabolic processes
(B)
Undigested fiber
(C)
Pollutants in the water and food
(D)
Excess food
Question-6
A severe fall in blood pressure disturbs the function of kidneys and reduces:
(A)
Renal filtration
(B)
Glomerular filtration
(C)
Reabsorption
(D)
Secretion of nitrogenous wastes
Question-7
The mechanism of uric acid secretion in the nephron is:
(A)
Diffusion
(B)
Excretion
(C)
Ultra filtration
(D)
Osmosis
Question-8
Blood enters the kidneys via:
(A)
The ureters
(B)
The urethra
(C)
The renal arteries
(D)
The renal veins
Question-9
Excess amino acids in the body are broken down to form urea in:
(A)
Kidneys
(B)
Liver
(C)
Spleen
(D)
Pancreas
Question-10
Most nephrons have short loops and are located almost entirely in the:
(A)
Renal medulla
(B)
Ureters
(C)
Renal cortex
(D)
Renal pelvis
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Cambridge Secondary Grade 9
IGCSE
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