A. Immunity
B. Endocrine
C. Exocrine
D. All of above
A. One
B. Two
C. Three
D. None
Orbital period of the planet Mercury around the sun is _____________?
A. 88 days
B. 365 days
C. 2 years
D. 98 days
E. None of these
Diamond is a very expensive ornament. It is composed of a single element ___________?
A. Carbon
B. Gold
C. Silver
D. Platinum
E. None of these
A. Haematology
B. Speleology
C. Oology
D. Oneriology
A. 106 ohm
B. 108 ohm
C. 107 ohm
D. 10-6 ohm
A. Increasing the temperature of water
B. Reacting chemically with dirt
C. Reducing the surface tension of water
D. Dissolving dirt