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Unit 1 - Chemical Basis of Life

Total questions: 11

Worksheet time: 3mins

Name
Class
Date
1.

It is anything that has volume and mass and can assume different physical states.

a)

Matter

b)

Space

c)

Bond

d)

Time

2.

A substance that cannot be broken down further by chemical processes.

a)

Compound

b)

Molecule

c)

Element

d)

Chemical Bond

3.

These are substances needed by living organisms in small amounts.

a)

Heavy Metals

b)

Noble Gases

c)

Major Elements

d)

Trace Elements

4.

It is a substance made up of a combination of two or more elements.

a)

Atom

b)

Gas

c)

Compound

d)

Electron

5.

Select the properties of water that are responsible for its ability to moderate temperature?

a)

High Specific Heat

b)

High Heat of Vaporization

c)

Unique Density

d)

Cohesion and Adhesion

6.

The most abundant out of the four major classes of biomolecules.

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

7.

In which of the four biomolecules does DNA and RNA belong to?

a)

Proteins

b)

Carbohydrates

c)

Nucleic Acids

d)

Lipids

8.

Which of these biomolecules are ideal for long-term energy storage?

a)

Carbohydrates

b)

Fats

c)

Proteins

d)

Nucleic Acids

9.

Which of these biomolecules are composed of amino acids?

a)

Nucleic acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

10.

Aside from DNA being double-stranded and RNA being single-stranded, which of these is another difference between DNA and RNA?

a)

For Phosphate, DNA has PO4 while RNA has PO3

b)

For sugar, DNA has deoxyribose while RNA has ribose

c)

DNA is a nucleic acid while RNA is a protein

d)

DNA's building blocks are nucleotides while RNA's are amino acids.

11.

Do you trust someone because you love them or do you love someone because you trust them?

a)

Trust someone because you love them

b)

Love someone because you trust them

c)

No comment

d)

No experience