During day time, plants absorb
O2
CO2
N2
CO
B.
CO2
Plants absorb CO2 during the daytime to form sugar by the process of photosynthesis.
Emission of which one of the following will produce isobars?
Alpha particles
Beta particles
Gamma rays
X-rays
Vapour pressure of liquid depends upon the
quantity of heat
temperature of liquid
specific heat of liquid
density of liquid
Which one of the following phenomena cannot be attributed to the refraction of light?
Twinkling of stars
Mirage
Rainbow
Redshift
Force can be defined on the basis of
Newton's second law of motion
Newton's first law of motion
Newton's third law of motion
Newton's law of gravitation
Slope of the velocity-time graph gives the
distance covered by a moving body
velocity of a moving body
acceleration of a moving body
None of the above