Chemistry
Physics
Biology
General
100
What do acids donate in aqueous solutions?

H+ ions/protons 

100

SI unit of electric current 

ampere 

100

Powerhouse of the cell?

Mitochondrion 

100

What is the ame of the property that resists flow?

Viscosity

200

Which metal can melt in your hand 

Gallium 

200

Which phenomenon occurs in the double slit experiment that proves light’s wave nature?

Interference

200

Which enzyme helps in DNA replication 

DNA polymerase 

200

What’s the term for the point on the Earth’s surface directly above the earthquake focus?

Epicentre 

300

In redox reactions, what is the term for the substance that gains electrons?

The oxidising agent 

300

What is the term for increasing disorder?

entropy 
300

Which organ in the human body has both endocrine and exocrine tissue

Pancreas 

300

How often is your skeleton completely replaced?

Every 10 years 

400

What is the quantum number that determines the shape of an orbital?

The azimuthal (angular momentum) quantum number 
400

Name of the boundary of a black hole 

Event horizon 

400

Smallest bone in the human body 

Stapes (ear bone) 

400

Where does the smell of rain come from 

Geosmin (bacteria in soil) 

500

What is the name of the reaction that allow glow sticks to light uop>

Chemiluminescent reaction 

500

Name of the principle that explains how airplanes generate lift due to pressure differences 

Bernoulli’s principle 

500

What term describes an organism with 2 identical alleles?

Homozygous 

500

What sea creature can regrow its entire brain and nervous system?

octopus 

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