Science Quiz No. 02

Which one of the following is a good conductor of electricity?

Copper
Glass
Plastic

How many oxygen atoms are there in one molecule of carbon dioxide?

Two
Three
Half

Which of the following is called the powerhouse of the cell?

Ribosome
Lysosome
Mitochondria

When a light ray travels from one medium to another passing through the surface, the direction and speed of the light ray changes. This phenomenon is ___________.

Reflection
Diffusion
Refraction

Which of the following options is NOT a component of blood?

Platelets
Myosin
Red blood cells

What is the chemical name of baking soda?

Calcium bicarbonate
Sodium bicarbonate
Calcium chloride

Concave mirrors are used in _________.

Make-up mirrors
Telescopes
Passenger-side rear view mirrors

The chemical symbol of the metal "tin" is ________.

Sb
Sn
Si

How many bones are there in an adult human body?

126
206
52

Which of the following is a wireless medium to transmit data from sender to receiver ?

Fiber Optic cable
Twisted Pair Wire
Microwaves

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