Free Printable AP Unit 1 Topics 1-3

Worksheets

AP Unit 1 Topics 1-3

Total questions: 20

Worksheet time: 16mins

Name

Class

Date

Which of the following elements is Not one of the six most common in living organisms?

carbon

oxygen

iron

nitrogen

hydrogen

In which of these are the electrons shared unequally?

double covalent bond

triple covalent bond

hydrogen bond

polar covalent bond

ionic and covalent bonds

In an aqueous environment which of the following is the strongest bond?

covalent

ionic attraction in solution

van der Waals

hydrogen

Which of the following properties of water enables molecules to cling together as they move from the roots to the leaves of plants?

Water expands as it freezes.

Water is an excellent solvent.

Water exhibits cohesive behavior.

Water moderates temperature.

The type of isomer that occurs when two molecules are mirror images of each other is a(n)

structural isomer

geometric isomer

enantiomer

stereoisomer

Which biomolecule is found in fats, oils, and waxes and is a source of long-term energy?

Proteins

Nucleic Acid

Lipids

Carbohydrate

Which biomolecule is this a picture of?

Protein

Nucleic Acid

Lipid

Carbohydrate

A monomer is ...

a single atom

a building block for polymers

a single element

is an inorganic molecule

What are the monomers that make up carbohydrates?

monosaccharides

glycerols and fatty acids

amino acids

nucleotides

10.

A fat that is solid at room temperature. (ex. Animal fat)

Saturated Fat

Supersaturated Fat

Unsaturated Fat

I haven't answered a question since the first one

11.

When water is added to split a molecule, the reaction is known as a(n) __ reaction.

dehydration synthesis

condensation

hydrolysis

super magical

12.

Which biomolecule is mainly hydrocarbons and therefore very hydrophobic?

carbohydrate

nucleic acid

protein

lipid

13.

How many molecules are required to hydrolyze a polymer that is 10 monomers long?

14.

Amylase breaks down alpha-glycosidic linkages. Which of the following could amylase break down?

glycogen and starch

glycogen and cellolose

starch and chitin

cellulose and chitin

15.

Which of these describes a saturated fatty acid?

All C-H bonds are full

They form straight chains

They are solids at room temp.

All of the above

16.

What molecule is this?

this is a monosaccharide

this is a polysaccharide

this is a protein

this is a lipid

17.

What are the building blocks of a lipid?

3 gylcerols and 1 fatty acid

1 glycerol and 3 fatty acids

3 amino acids

3 simple sugars

18.

What macromolecule makes up the cell membrane's lining?

Saturated Fatty acid chains

Phospholipids

Polypeptide chains

Cellulose polysaccharide Chains

19.

The property of water that allows water molecules to stick to another substance is

adhesion

cohesion

density

specific heat

20.

Water is polar because...

The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.

The molecule has two poles, at which the it is colder than other regions of the molecule.

The unequal sharing of electrons gives the water molecule a slight negative charge near its hydrogen atoms and a slight positive charge near its oxygen atom.

The water molecule is neutral.

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AP Unit 1 Topics 1-3

Total questions: 20

Worksheet time: 16mins

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