2nd Year Biology MCQs Chapter No.1 Homeostasis Quiz 1

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

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