biology
chemistry
physics
100

What is the basic unit life?

A) Atom

B) Cell

C) Organ

D) Tissue 

B) Cell

100

What is the chemical formula for water?

a)H2O        c)O2

b)CO2        d)H2SO4

a)H2O

100

What is the force that pulls objects towards the Earth?

A) Friction 

B) Gravity 

C) Magnetism 

D)Electricity 

B) Gravity 

200

Which organ is responsible for pumping blood in the human body? 

A) Brain

B) Lungs

C) Heart

D) Stomach 

C) Heart

200

What is the solid form of water called?

a)Ice     

b)Steam

c)Liquid

d)Snow

a)Ice

200

What is the unit of force?

A) Watt

B) Newton 

C) Volt

D) Joule

B) Newton 

300

What process do plants use to make their own food?

A) Respiration 

B) Photosynthesis 

C) Digestion

D) Reproduction 

B) Photosynthesis 


300

What do we call a substance that speeds up a chemical reaction without being consumed

a)Reactant

b)Solvent

c)Catalyst

d)Product

c)Catalyst 

300

What does the law of inertia state?

A) An object in motion stays in motion unless acted on by a force.

B) Objects always move in a straight line.

C) The weight of an object increases with its speed

D) The force of gravity pulls all objects equally.

A) An object in motion stays in motion unless acted on by a force.

400

Which part of the cell contains the genetic material (DNA)? 

A) Nucleus 

B) Mitochondria 

C) Cytoplasm 

D) Cell membrane 

A) Nucleus 

400

What is the pH level of neutral substances,such as pure water

a)0

b)7

c)14

d)5

b)7

400

What is the main source of energy for the Earth?

a)The moon

b)The sun

c)The wind

d)water

b)The sun

500

Which of the following is an example of an organism that reproduces asexually? 

A) Dog

B) Human

C) Bacteria 

D) Bird

C) Bacteria 

500

Which of the following is a noble gas?

a)Oxygen 

b)Nitrogen 

c)Helium

d)Hydrogen 

c)Heulim

500

What is the speed of light in a vacuum?

a)300,000 km/s

b)150,000 km/s

c)1,000 km/s

d)10,000 km/s

a)300,000 km/s