Stalagmites grow from a) the ground of a cave towards the ceiling b) the ceiling of a cave towards the ground c) both directions, depending on which hemisphere they are

If we drop a ball of lead and another one of wool of the same dimensions and at same time from and 100 metre high building, the ball which hits the ground first is: a) The lead ball b) The wool ball c) Both at the same time

This vitamin is excreted by humans in urine. What is it? a) B12 b) C c) D

The center of a cell enclosed in a membrane is called ...? a) Ribosome b) Nucleus c) Cytoplasm

Which famous scientist introduced the idea of natural selection? a) Charles Darwin b) Sigmund Freud c) Thomas Henry Huxley

The study of respiration shows: a) Green plants and animals always consume oxygen and release CO2 day and night. b) Green plants only breath at night. c) Green plants breathe during the day taking carbon dioxide and releasing CO2

Is an iguana an omnivorous, carnivorous or herbivorous reptile? a) carnivorous b) herbivorous c) omnivorous

What is the base unit for temperature? a) Degree Kelvin b) Degree Fahrenheit c) Degree Celsius

What is the temperature at which a liquid turns into a gas? a) Matter point b) Condensation point c) Boiling point

Can frogs live in salt water? a) Yes b) No c) Only in tropical seas

Select one of the following to determine the proper procedure for shutting down your computer. a) It's best to never turn off your computer. b) Just unplug your computer. c) Go to the Start menu and click "Shut Down"

What's this? a) a dropper b) a test tube c) a graduated cylinder