Tooth decay is caused by?
Tooth decay is caused by?
A. Salt
B. Sugar
C. Calcium
D. Formalin
A. Salt
B. Sugar
C. Calcium
D. Formalin
A loudspeaker changes _________ energy into sound energy.
A. Chemical
B. Electrical
C. Light
D. Kinetic
Long-sight defect could be corrected by using __________ lens?
A. concave
B. Convex
C. diverging
D. none of these
ALSO CHECK: Short-sight defect could be corrected by a _____________ lens?
A. Vitamin K
B. Chlorophyll
C. Vitamin B12
D. Haemoglobin
A. Muscle
B. Muscles and Glands
C. Sense and Organs
D. Brain and Sal Cord
A. 1492
B. 1609
C. 1212
D. 1743
Boiling of an egg is a change which is__________?
A. Physical
B. Chemical
C. Physiological
D. Morphological