A. When he pushes the bank, the bank pushes him, action and reaction are equal and opposite.
B. The bank cannot move but the boat moves.
C. By pushing the bank he tries to overcome the attraction of the bank for the boat.
D. He pushes the bank to produce waves in the water.
A. Heated stone gets the energy which makes it to fly.
B. The outer layer expands before the inner part, so they break due to the unequal expansion.
C. Heated stone breaks because the binding of the elements melt.
D. None of these
A. Diamonds are radioactive so there are radiations.
B. On account of high refractive index the rays of light get internally reflected.
C. Diamonds shine because they have some amount of radium in them.
D. None of these
A. Kidney failure
B. Heart attack
C. Liver failure
D. Diabetes
A. Vitamin B and C
B. Vitamin C and D
C. Vitamin A and C
D. Vitamin B and E
A. Vitamin E
B. Vitamin D
C. Vitamin C
D. Vitamin B
A. Vitamin C
B. Vitamin A
C. Vitamin B
D. Vitamin D
A. Reflection
B. Diversion
C. Refraction
D. Absorption
A. Microbiology
B. Chronobiology
C. Osteobiology
D. None of these