Homeostasis — Biology MCQs (Class 12)
Free chapter-wise Biology MCQs with answers for MDCAT, FSc and entry tests.
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#17 If a person breathes air tat has very high CO2 content, the person will breath faster, this is an example of
A) -ve feedback
B) +feedback
C) Harmful +ve feedback
D) None of these
#18 The act of emptying the bladder is called
A) Excretion
B) Micturition
C) Osmoregulation
D) none of these
#19 Renal capsule is composed of Bowman's capsule and
A) Glomerulus
B) Podocytes
C) Medulla
D) Nephrons
#20 Which one of the following is not a real component of urinary system
A) Glumerulus
B) Bowman's capsule
C) Loop of Henle
D) Distal convoluted tubule
#21 Capillaries which run anti parallel to the loop of Henle are called
A) Afferent
B) Efferent
C) Peritubular
D) Vasa recta
#22 Formation of urine involves
A) Ultrafiltration
B) Selective absorption
C) Tubular secretion
D) All of these
#23 Pyelonephritis is infection of
A) Kidney
B) Bladder
C) Urethra
D) Meninges
#24 Increased oxalate level in the urine is called
A) Hypercalcemia
B) Hyperoxaluria
C) Hyperuricemia
D) Kidney failure
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