Chemistry In Biology Quiz

What type of electron is available to form bonds?

• valence

• nucleus

• ionic

• covalent

When salt is dissolved in water, the salt is the

• reactant

• solution

• solute

• solvent

A substance with a pH of 8 is called a(n)

• acid

• base

• both acid and base

• neither an acid nor a base

When hydrogen and oxygen combine to form water, the hydrogen would be

• a product

• a reactant

• both a product and a reactant

• neither a product nor a reactant

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Why are macromolecules necessary for life?

• Because they are complex and efficient.

• Mr Green is the best.

• There are too many of them

• They are vitamins

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Which carbon based compound has no monomers?

• Nucleic acids

• carbohydrates

• proteins

• lipids

Electrons exist in

• in between your toes

• the nucleus

• orbits called shells

• isotopes only

Isotopes are atoms of the same element with the same number of protons and

• a different number of electrons.

• a different number of molecules.

• a different number of neutrons.

• the same number of neutrons.

Which of the following acts like a biological catalyst?

• compound

• isotope

• nucleus

• enzymes

Water molecules are polar, with

• the oxygen side being slightly positive and the hydrogen side being slightly negative.

• the oxygen and hydrogen sides being slightly positive.

• the oxygen and hydrogen sides being slightly negative.

• the oxygen side being slightly negative and the hydrogen side being slightly positive.