2nd Year Biology MCQs F.Sc. Part 2
Chapter No.15
Homeostasis
Total MCQs = 50
66. The excretory organs of Planaria are known as:
(A) Protonephridia
(B) Flame cells
(C) Both (A) and (B)
(D) Metanephriclia
Answer:
(C) Both (A) and (B)
67. Tubular excretory system of earth worm consists of
(A) Protonephridia
(B) Coxal gland
(C) Malpighian tubules
(D) Metanephridia
Answer:
(D) Metanephridia
68. The internal opening of the metanephridium is knows as:
(A) Nephrostoms
(B) (B) Nephridiopore
(C) Excretory pore
(D) All
Answer:
(A) Nephrostoms
69. Liver Synthesizes:
(A) Non-essential aminoacids
(B) Plasma
(C) Cholesterol
(D) All
Answer:
(D) All
70. In humans, excess nitrogen is eliminated form the body by mainly converting it to:
(A) Urea
(B) Uric acid
(C) Ammonia
(D) Amine phosphate
Answer:
(A) Urea
