Science Quiz

What are nails made of?

• Plastic

• Metal

• Keratin

• Wood

Which of the following is NOT a man-made substance?

• Nylon

• Cement

• Brass

• Wood

Which of the following is a natural disaster?

• Bomb explosion

• Earthquake

• Deforestation

• Air pollution

What are animals that lay eggs called?

• Viviparous

• Oviparous

• Mammals

• Amphibians

Amoeba is an example of a ________ animal.

• Multicellular

• Unicellular

• Mammalian

• None of these

How long does it take to form a 25 cm thick layer of soil?

• 1 year

• 10 years

• 50 years

• 100 years

How many layers are there in the atmosphere?

• 2

• 3

• 5

• 7

Sublimation is the process where ________.

• Solid turns to liquid

• Liquid turns to gas

• Gas turns to liquid

• Solid turns directly into gas

Which of the following is a type of junk food?

• Apple

• Chocolate

• Spinach

• Carrot

The skeletal system provides the body with ________.

• Flexibility

• Movement

• A definite shape

• None of the above