General Science MCQs Part III

91 How much water, of its size, expanded when converted from liquid to solid?

One-ninth

92 The separation of white light into its component colours is called

Dispersion

93 Sounds above the frequency of 20,000 Hz is called

Ultrasonic

94 Structure responsible for energy in cell is

Mitochondria

95 Mitochondria is also called

Power house of the cell

96 The actual number of White Blood Cells in the blood varies between

4000 to 13,000/mm3

97 Chief food of a male mosquito is

Nectar and fruit juices

98 When a person has appendicitis, his blood shows an increase in the number of

White corpuscles

99 After vaccination, the body builds up

Anti-bodies

100 Proteins are made of

Amino acids