Free Printable Biology Basics Unit Review

1.

I want to test different soap products to see which product kills the most bacteria on my hands.

What is the independent variable in this experiment?

a)

type of soap

b)

bacteria on hands

c)

my hands

d)

products

2.

I want to test different soap products to see which product kills the most bacteria on my hands.

What is the control group in this experiment?

a)

washing my hands with water

b)

bacteria on hands

c)

washing my hands with soap

d)

normal hand, no soap

3.

List a quantitative observation.

a)

There are 22 cookies in the picture.

b)

The cookies are not circles.

4.

List a qualitative observations.

a)

The girl has blonde hair.

b)

There are 21 cookies.

5.

What macromolecule is used for short term energy?

a)

proteins

b)

carbs

c)

lipids

d)

nucleic acids

6.

What macromolecule does your body never break down for energy?

a)

carbs

b)

proteins

c)

lipids

d)

nucleic acids

7.

Which if these pieces of equipment is NOT used to transfer liquid from one container to another?

a)

petri dish

b)

funnel

c)

graduated cylinder

d)

beaker

8.

Which of these pieces of equipment is best to accurately measure a fluid?

a)

beaker

b)

flask

c)

test tube

d)

graduated cylinder

9.

Considering the image above, which measurement is most accurate?

a)

24mL

b)

20.5mL

c)

800mL

d)

3x10^2mL

10.

Considering the image above, which measurement is most precise?

a)

24mL

b)

20.5mL

c)

800mL

d)

3x10^2mL

11.

Are test tubes used to make measurements?

a)

Yes, especially when you need a precise measurement.

b)

No, they are used to hold materials including fluids.

c)

No, they are used as decoration only.

d)

Yes, especially when you need an accurate measurement.

12.

What would be the most reasonable measurement to expect on day 7?

a)

88 grams

b)

7 miligrams

c)

0.7 milligrams

d)

7 grams

13.

Independent and dependent variable exhibit a certain relationship, in this relationship which variable is the "effect"?

a)

Independent variable

b)

Dependent variale

14.

What is the format we use to write a hypothesis?

a)

If (independent variable), then (dependent variable).

b)

A straightforward statement using the words "will prove".

c)

None of these options are correct.

15.

Mrs. Reed wanted to see how much sunlight her coneflowers need. She bought 3 sunflower plants around the same height and planted one in a pot in her closet, one in a pot in her kitchen window that only got partial sunlight, and one in a pot on her porch which got sunlight all day. She measured their height before, and after the experiment which lasted 7 days see table above for data.

The independent variable is___.

a)

Amount of sunlight

b)

Number of days

c)

Starting height

d)

Change in height

16.

Mrs. Reed wanted to see how much sunlight her coneflowers need. She bought 3 sunflower plants around the same height and planted one in a pot in her closet, one in a pot in her kitchen window that only got partial sunlight, and one in a pot on her porch which got sunlight all day. She measured their height before, and after the experiment which lasted 7 days see table above for data.

The dependent variable is___.

a)

Amount of sunlight

b)

Number of days

c)

Starting height

d)

Change in height

17.

When writing a conclusion, what should you always refer back to?

a)

Procedure

b)

Hypothesis

c)

Your textbook

d)

The materials list

18.

In a hypothesis the __ variable is being tested, while the __ variable is being measured in response.

a)

independent; dependent

b)

dependent; independent

c)

control; constant

d)

independent; constant

19.

Which of these is the first step to the technological design?

a)

Problem Identification

b)

Solution Design

c)

Implementation

d)

Evaluation

20.

After testing, altering during failure, re-testing, and finally getting it "right" what is the next step to take in the technological design?

a)

Problem Identification

b)

Solution Design

c)

Implementation

d)

Evaluation

21.

During the Solution Design step of the Technological Design Process there are some special considerations. These considerations include __.

a)

Cost

b)

Time

c)

Materials

d)

All of these

22.

Check all that are a macromolecule.

a)

Proteins

b)

Lipids

c)

Carbohydrates

d)

Nucleic Acids

23.

Both animal and plant oils are made up of glycerol and __.

a)

amino acids

b)

fatty acids

c)

polar molecules

d)

saturated fats

24.

Which macromolecule includes both sugars and starches?

a)

Saturated fatty acids

b)

Proteins

c)

Phospholipids

d)

Carbohydrates

25.

If available, which macromolecule will your body breakdown for energy first?

a)

Lipids

b)

Proetins

c)

Carbohydrates

d)

Nucleic acids

26.

Which class of macromolecule would most likely be involved in contracting muscles?

a)

Lipids

b)

Proetins

c)

Carbohydrates

d)

Nucleic acids

27.

Animals store most of their excess energy reserves as _______ because

a)

glucose; it is easy to break down.

b)

fat; they store twice as much energy per gram.

c)

protein; it is a compact source of energy in their bodies.

d)

carbohydrates; they store twice as much energy per gram of glucose.

28.

Constants are...

a)

the things that remain the same among ALL the groups.

b)

the one group that does not get the treatment.

c)

the homies that show up when you need them.

d)

not a thing, irrelevant.

29.

Based on the observation that the ground is wet, make an inference.

a)

It could have rained.

b)

If the ground is wet, then it rained outside.

30.

Create a hypothesis based on the observation that the ground is wet.

a)

It could have rained.

b)

If the ground is wet, then it rained outside.

Biology Basics Unit Review

Total questions: 30

Worksheet time: 38mins

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