MCQs Biology F.Sc. Part 2 (2nd Year)
Chapter No.15
HomeoStasis
91. The greater the demand of conserving water, the greater would be the number of:
(A) Juxta-medullary nephrons
(B) Cortical nephrons
(C) Capillaries of glomerulus
(D) Both (A) and (B)
Answer:
(A) Juxta-medullary nephrons
92. Each kidney is enclosed by a thin membranous covering called:
(A) Peritonium
B) Peritreme
(C) Perizonium
D All
Answer:
(A) Peritonium
93. Ph of human urine is
(A) 7.4
(B) 3.5
(C) 5.00
(D) 8.00
Answer:
(C) 5.00
94. The hormone which increases the reabsorption of calcium ions in nephron is:
(A) Aldosterone
(B) Parathormone
(C) Anti-diuretic
(D) Vasopression
Answer:
(B) Parathormone
95. The process by which some poisonous substances are secreted from peritubular capillaries into nephric filtrate is termed as:
(A) Tubular reabsorption
(B) Tubular secretion
(C) Counter-current exchange
(D) None of these
Answer:
(B) Tubular secretion