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Biology Unit A Exam

Total questions: 47

Worksheet time: 47mins

Name
Class
Date
1.

Where does a plant obtain most of its mass?

a)

soil

b)

air

c)

water

d)

sun

2.

For photosynthesis, what chemical do plants absorb into their leaves from the air?

a)

carbonate

b)

carbon dioxide

c)

carbon tetrachloride

d)

oxygen

3.

For photosynthesis, what chemical do plants absorb through their roots? (usually from the soil)

a)

H2O (water)

b)

O2 (oxygen)

c)

CO2 (carbon dioxide)

d)

heat energy

4.

What two chemicals are produced during photosynthesis?

a)

oxygen and glucose

b)

oxygen and carbon dioxide

c)

carbon dioxide and glucose

d)

water and glucose

5.

What is the name of the organelle where photosynthesis takes place?

a)

chloroplast

b)

cell wall

c)

nucleus

d)

mitochondria

6.

Which organisms are able to do photosynthesis?

a)

Plants

b)

Animals

c)

Rocks

d)

Plants and Animals

7.

Which organisms are able to do cellular respiration?

a)

Plants

b)

Animals

c)

Rocks

d)

Plants and Animals

8.

What is the name of the organelle where cellular respiration takes place?

a)

chloroplast

b)

cell wall

c)

nucleus

d)

mitochondria

9.

What are the inputs (reactants) of cellular respiration?

a)

water, carbon dioxide, and ATP

b)

water and oxygen

c)

oxygen and glucose

d)

water and glucose

10.

What are the outputs (products) of cellular respiration?

a)

water, carbon dioxide, and ATP

b)

water and oxygen

c)

oxygen and glucose

d)

water and glucose

11.

What is a description of ATP?

a)

adenosine triphosphate

b)

product of cellular respiration

c)

the energy currency of cells

d)

all are correct

12.

Where do plants obtain energy to do photosynthesis?

a)

air

b)

water

c)

soil

d)

sunlight

13.

When plants do cellular respiration, where does the glucose come from?

a)

the plant inhales it from the air

b)

the plant absorbs it from the soil

c)

the plants make it as a product of photosynthesis

d)

the plant buys it online

14.

Which is incorrect:

a)

Animals make glucose using photosynthesis

b)

Animals obtain glucose by eating plants

c)

Animals obtain glucose by eating plant-eating animals

d)

Animal cells use glucose during cellular respiration to produce ATP

15.

How does a student obtain energy from the sun while taking a unit exam?

a)

By producing Vitamin D

b)

Directly: they absorb solar energy into their chloroplasts

c)

They get energy from water

d)

Indirectly: they get energy from the food they ate.

16.

Chlorophyll, the pigment in chloroplasts, reflects the color(s):

a)

Green

b)

Blue and Red

c)

Black

d)

Purple and Gold

17.

Plants make carbohydrates like cellulose and starch from glucose. These molecules contain carbon. Where do plant obtain carbon?

a)

soil

b)

air

c)

water

d)

sunlight

18.

How many atoms of carbon are in one molecule of C6H12O6 (glucose)?

a)

1

b)

6

c)

12

d)

impossible to know

19.

Which photosynthesis equation is correct?

a)

C6H12O6 + 6H2O → 6O2 + 6CO2 + ATP

b)

sunlight + C6H12O6 + 6H2O → 6O2 + 6CO2

c)

sunlight + 6O2 + 6CO2 → C6H12O6 + 6H2O

d)

sunlight + 6H2O + 6CO2 → C6H12O6 + 6O2

20.

Which cellular respiration equation is correct?

a)

C6H12O6 + 6O2 → 6H2O + 6CO2 + ATP

b)

sunlight + C6H12O6 + 6H2O → 6O2 + 6CO2

c)

sunlight + 6O2 + 6CO2 → C6H12O6 + 6H2O

d)

sunlight + 6H2O + 6CO2 → C6H12O6 + 6O2

21.

Which is not one of the 4 biomolecules?

a)

carbohydrate

b)

lipid

c)

protein

d)

nucleic acid

e)

water

22.

A monomer is...

a)

a single atom

b)

a building block for polymers

c)

a single element

d)

a type of cell

23.

What is the monomer for a protein?

a)

Monosaccharide

b)

Triglyceride

c)

Amino Acid

d)

Nucleotide

24.

Which foods are high in protein?

a)

meats, cheeses, milk, eggs

b)

breads, pasta, grains

c)

butter, oil, lard

d)

apples, bananas, grapes

25.

What is the function of proteins?

a)

quick source of energy

b)

builds muscle, skin, enzymes

c)

stores genetic information

d)

stores energy, insulation, protection

26.

What is the function of lipids?

a)

quick source of energy

b)

builds muscle, skin, enzymes

c)

stores genetic information

d)

stores energy, insulation, protection

27.

Antibodies are polymers of amino acids with shapes that allow them to recognize specific target antigens. Antibodies are an example of which type of biomolecule?

a)

Lipids

b)

Nucleic Acids

c)

Carbohydrates

d)

Proteins

28.

Which of the following is an example of a nucleic acid?

a)

glucose

b)

phospholipid

c)

enzymes

d)

DNA

29.

What are the monomers of nucleic acids?

a)

monosaccharides

b)

fatty acids

c)

nucleotides

d)

amino acids

30.

Oil is an example of a lipid. Why don't oil and water mix?

a)

Lipids are made with lots of double bonds

b)

Lipids are acidic when mixed with water

c)

Lipids are non-polar / hydrophobic

d)

Lipids are polar / hydrophilic

31.

What are the monomers of carbohydrates?

a)

monosaccharides

b)

fatty acids

c)

nucleotides

d)

amino acids

32.

Glucose is an example of which type of biomolecule?

a)

Lipids

b)

Nucleic Acids

c)

Carbohydrates

d)

Proteins

33.

Which biomolecule is a main source of quick energy?

a)

Lipids

b)

Carbohydrates

c)

Nucleic acids

d)

Proteins

34.

Which biomolecule includes fats, oils, and waxes?

a)

Lipids

b)

Carbohydrates

c)

Nucleic acids

d)

Proteins

35.

The molecules needed for life are called...

a)

biomolecules

b)

atoms

c)

photosynthesis

d)

elements

36.

What is the function of a nucleic acid?

a)

Stores energy

b)

Stores genetic information

c)

Quick source of energy

d)

Builds structures

37.

Which biomolecules make up cell membranes?

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Nucleic Acid

38.

What elements are common to all 4 biomolecules?

a)

carbon, hydrogen, nitrogen

b)

carbon, nitrogen, phosphorus

c)

carbon, hydrogen, oxygen

d)

carbon, hydrogen, phosphorus

39.

The process by which the body breaks down food so that it can be used for energy is called

a)

composition

b)

digestion

c)

deposition

d)

absorption

40.

A fluid in the mouth that helps digest food:

a)

pepsin

b)

pepsi

c)

saliva

d)

salty

41.

Where does carbohydrate digestion begin?

a)

liver

b)

mouth

c)

kidney

d)

stomach

42.

Where does protein digestion begin?

a)

liver

b)

mouth

c)

kidney

d)

stomach

43.

Where does absorption occur?

a)

liver

b)

mouth

c)

small intestine

d)

stomach

44.

Which is not a polymer of glucose?

a)

starch

b)

chitin

c)

cellulose

d)

hormones

45.

What is the population of Okanogan County?

a)

73,901

b)

891,299

c)

42,132

d)

514,631

46.

How much do two full-time minimum wage workers in Okanogan County each month?

a)

$2,050

b)

$3,814

c)

$4,419

47.

In Okanogan County, do two full-time minimum wage workers make enough money each month to be self-sufficient (pay all of their bills)?

a)

Yes

b)

No