Multiple Choice Questions 2nd Year
MCQs Biology F.Sc. Part 2
Chapter No.15 Homeostasis
Best MCQs for Entry Test MDCAT, ECAT & Pakistan Medical Commission
Total MCQs = 50
1. The more concentrated environment is termed as:
A. Anisotonic
B. Isotonic
C. flypotonie
D. Hypertonic
Answer:
Hypertonic
2. Mango plant is:
(A) Mesophyte
(C) Xerophyte
(B). Hydrophyte
(D). None of the above
Answer:
Mesophyte
3. The excretory system of Planaria called:
(A) Metanephridium
(B) Protonephridium
(C) Nephrone
(D) Nephriciium
Answer:
Protonephridium
4. In urea cycle, one molecule of Amonia and one molecule of CO2 combine with one molecule of ornithine to form:
(A) Urea
(B) Arginine
(C) Arginosuccinate
(D) Citrulline
Answer:
Citrulline
5. Unlike an earthworm, metanephridia in mammalian nephrone:
(A) Filters blood instead of coelomic fluid
(B) Function in both osmoregulation and excretion of nitrogenous wastes
(C) Form urine by changing the composition of fluid inside the tubule
(D) Is intimately associated with a capillary network
Answer:
Filters blood instead of coelomic fluid
