Assessment Test-2 Everyday Science

The freezing point of water is:

• (A) 0°F
• (B) 100°C
• (C) 32°F
• (D) 273°F

Icy celestial bodies revolving around sun are called:

• (A) Comets
• (B) Cosmos
• (C) Meteors
• (D) Asteroids

A capacitor is a device that stores:

• (A) Current
• (B) Voltage
• (C) Electric charge
• (D) Power

In air pollution the amount of oxygen _______ and carbon dioxide _______.

• (A) Increases , decreases
• (B) Decreases , increases
• (C) Increases , increases
• (D) Decreases , decreases

The disease “Leukemia” is related to the:

• (A) Lungs
• (B) Liver
• (C) Brain
• (D) Blood

As altitude increases, the air pressure:

• (A) Increases
• (B) Stays constant
• (C) Decreases
• (D) Is zero

The restrictive enzymes are used for:

• (A) Separating DNA strands
• (B) Making parent DNA
• (C) Making plasmid
• (D) Cutting DNA at specific site

Water covers _______ % of Earth’s surface.

• (A) 60
• (B) 20
• (C) 71
• (D) 100

The planets called the inner planets are:

• (A) Jupiter, Saturn, Uranus, Neptune
• (B) Mars, Jupiter, Saturn, Uranus
• (C) Saturn, Uranus, Neptune, Pluto
• (D) Mercury, Venus, Earth, Mars

Contaminated water cab be purified by:

• (A) Agriculture
• (B) Adding salts
• (C) Adding detergents
• (D) Distillation