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Bio Basics Review

Total questions: 38

Worksheet time: 24mins

Name
Class
Date
1.

A monosaccharide is....

a)

carbohydrate

b)

lipids

c)

protein

d)

nucleic acid

2.

This macromolecule provides the major energy source used by mitochondria (and all living things)

a)

carbohydrate

b)

lipids

c)

protein

d)

nucleic acid

3.

This macromolecule make up cell membranes, store energy, and provide insulation

a)

carbohydrate

b)

lipids

c)

protein

d)

nucleic acid

4.

This macromolecule carries hereditary information and instructions for building molecules

a)

carbohydrate

b)

lipids

c)

protein

d)

nucleic acid

5.

This macromolecule provides structural support and act as enzymes to catalyze metabolic reactions

a)

carbohydrate

b)

lipids

c)

protein

d)

nucleic acid

6.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
7.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

8.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
9.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
10.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
11.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
12.
An enzyme speeds up a reaction by
a)
lowering the activation energy.
b)
raising the activation energy.
c)
releasing energy.
d)
absorbing energy.
13.

What happens when enzymes are heated to a high temperature?

a)

The enzymes die.

b)

The shape of the enzyme are changed and it denatures

c)

The enzymes' amino acid sequence changes.

d)

The enzymes remain the same

14.
Which of these is NOT true?
a)
Enzymes can denature (change shape) when the temperature gets too high.
b)
Enzymes can only be used once in a chemical reaction. 
c)
Extreme pH can denature enzymes.
d)
Enzymes speed up chemical reactions. 
15.

What is cohesion?

a)

The ability of a molecule to "stick" to itself

b)

The ability of a molecule to "stick" to other molecules

c)

Large amounts of energy are required to change the temperature of a substance

d)

A well-organized and efficient team

16.

What characteristic of water is shown in the image?

a)

Polarity

b)

Hydrogen Bonds

c)

Cohesion

d)

Adhesion

17.

What property of water causes these Alka-Seltzer tablets to dissolve?

a)

Universal Solvent

b)

Expansion Upon Freezing

c)

Cohesive Behavior

d)

High Specific Heat

18.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
19.
What two elements make up water?
a)
Helium and oxygen
b)
Hydrogen and oxygen
c)
helium and carbon
d)
oxygen and carbon
20.
The summary at the end of an experiment that explains the results is... 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
21.
A testable prediction about a scientific investigation is a(n)
a)
Question
b)
Observation
c)
Hypothesis
d)
Experiment
22.

The variable that is being measured or observed is called the _______________. Hint: this is the variable that is the result or effect

a)

independent variable

b)

dependent variable

c)

control variable

23.
If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?
a)
True
b)
How fast you get to school
c)
Riding a bike or walking
d)
False
24.

The independent variable is

a)

The variable that you change in an investigation

b)

The variable that you measure in an investigation

c)

A variable that you keep the same in an investigation

25.

An explanation based on many repeated observations during experiments.

a)

conclusion

b)

scientific law

c)

theory

d)

hypothesis

26.

A general statement that describes a patterns that are often observed in nature.

a)

logical law

b)

civil law

c)

moral law

d)

scientific law

27.

What kind of observation is in the picture?

a)

Quantitative

b)

Qualitative

c)

Neither quantitative nor qualitative

28.

What kind of observation is in the picture?

a)

Quantitative

b)

Qualitative

c)

Neither quantitative nor qualitative

29.
All living organisms are made up of ____.
a)
Cells
b)
Bacteria
c)
Organs
d)
Tissue
30.

Which of the following is a term used to describe all the chemical reactions that take place in a living thing?

a)
respiration
b)
mutations
c)
homeostasis
d)
metabolism
31.

A plant growing towards a light source is an example of which of the following?

a)

attracting a mate

b)

destroying infectious germs

c)

responding to a stimuli

d)

obtaining moisture from the air

32.

Identify all of the following that are nonliving.

a)

Rock

b)

Oxygen

c)

Bacteria

d)

Battery

33.
Which of the following characteristics of living things best explains why your legs and arms get longer and stronger as you get older? 
a)
living things respond to their environment
b)
living things maintain internal balance
c)
living things are made of cells
d)
living things grow and develop
34.

Macromolecules are made of repeating subunits called

a)

monomers

b)

monosaccharides

c)

polymers

d)

polysaccharides

35.

A __________ consists of many monomers bonded together.

a)

monomer

b)

hydrocarbon

c)

peptide

d)

polymer

36.

Barnacles create home sites by attaching themselves to whales.

a)

Mutualism

b)

Commensalism

c)

Parasitism

37.

Ticks feed on deer blood with harms the deer.

a)

Mutualism

b)

Commensalism

c)

Parasitism

38.

Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers. Both species benefit.

a)

Mutualism

b)

Commensalism

c)

Parasitism