31. Cataract is a disease of
a) Eye
b) Throat
c) Lungs
d) None of these
32. _________ responsible for the communication system of body:
a) Neurons
b) Nerves
c) Hormones
d) None of these
33. Which is the largest gland in the human body:
a) Thyroid
b) Liver
c) Pancreas
d) None of these
34. The Sun is at average distance of about_______ million kilometers away from Earth.
a) 100million
b) 150million
c) 200million
d) 250million
35. The water potential of pure water is:
a) One
b) Less than zero
c) Zero
d) More than one
36. ECG term is associated with:
a) Leg
b) Heart
c) Ear
d) Head
37. Which of the following planets has no moon?
a) Mercury
b) Earth
c) Mars
d) Saturn
38. The transfer of thermal energy from one substance to another through which requires no physical medium:
a) Conduction
b) Convection
c) Radiation
d) None of these
39. Pollen grains are produced by:
a) Stigma
b) Ovary
c) Petal
d) Anther
40. Which gas in Chlorofluorocarbons damage the ozone layer most:
a) Chlorine
b) Fluorine
c) Ammonia
d) Bromine
