Bio MCQs from books chapters
1. The safety of the internal environment from fluctuations of the external environment is:
A. Homeostasis
B. Homeotherms
C. Homeopathy
D. None of these
2. Which is most favorable for the formation of the structural component of biological membranes?
A. Hydrophobic fats
B. Hydrophilic carbohydrates
C. Both A & B
D. None of these
3. The rise in urea leads to an increase in:
A. Jaundice
B. Blood pressure
C. Anemia
D. Both B & C
4. Vaporization of water has a specific heat:
A. 784 Kcal/kg
B. 884 Kcal/kg
C. 574 Kcal/kg
D. 664 Kcal/kg
5. Excretory ducts of planarian open to the exterior through several:
A. Exteriopores
B. Renal pores
C. Nephridiopores
D. Excretory pores
6. ___________ has the formula Cn(H2O)n:
A. Polysaccharide
B. Carbohydrates
C. Monosaccharides
D. Oligosaccharides
7. The birds & reptiles excrete:
A. Uric acid
B. Nitrates
C. Ammonia
D. Urea
8. From following which is more complex sugar:
A. Polysaccharides
B. Monosaccharide
C. Oligosaccharides
D. None of these
9. Liver form urea from the waste:
A. Oxygen
B. Calcium
C. Hydrogen
D. Nitrogen
10. Which carbohydrate is tasteful?
A. Polysaccharide
B. Monosaccharide
C. Oligosaccharide
D. Both B & C
11. Urine is collected in the kidney’s central cavity:
A. Ureter
B. Pelvis
C. Cortex
D. Medulla
12. Which carbohydrate can easily be hydrolysed?
A. Polysaccharide
B. Oligosaccharide
C. Monosaccharide
D. Both A & B
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