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Unit 1 & 2 Review

Total questions: 70

Worksheet time: 35mins

Name
Class
Date
1.

How does the body maintain homeostasis when it is cold outside? SELECT ALL THAT APPLY.

a)

The body begins to shiver.

b)

Vasocontriction.

c)

The body begins to sweat.

2.

How do the digestive system and the circulatory system work together?

a)

They help regulate body temperature.

b)

They absorb nutrients and remove waste from the body.

c)

They help the body with transporting materials across the cell membrane.

d)

Only the digestive sytem moves substances throughout the body.

3.

How do fish regulate the amount of salt or water in their body?

a)

Osmosis

b)

Active Transport

c)

Endocytosis

d)

Exocytosis

4.

Looking at the graph above, what does an enzyme do?

a)

It increases the activation energy.

b)

It decreases the number of products produced.

c)

It increases the number of reactants needed.

d)

It speeds up the reaction by reducing the energy needed to run the reaction.

5.

Which of the following are represented by the picture above? SELECT ALL THAT APPLY.

a)

Hypotonic

b)

Isotonic

c)

Hypertonic

d)

Active transport

6.

How does the cell regulate what goes into it and out of it?

a)

Cell membrane

b)

Mitochondria

c)

Nucleus

d)

DNA

7.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered or denatured
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
8.

Protects the body, regulates body temperature

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

9.

Carries oxygen and nutrients to all parts of the body.

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

10.

Allows movement in the body

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

11.

Receives stimuli and transports impulses, coordinates actions and reactions in the body

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

12.

Supports and provides structure for the body

a)

Skeletal

b)

Muscular

c)

Circulatory

d)

Respiratory

13.

Supplies blood with oxygen and rids the body of carbon dioxide

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

14.

Main Organs: Heart and blood vessels

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

15.

Main Organs: Skin

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

16.

Main Organs: Muscles

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

17.

Main Organs: Brains, spinal cord, nerves

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

18.

Main Organs: Bones and joints

a)

Skeletal

b)

Muscular

c)

Circulatory

d)

Respiratory

19.

Main Organs: Lungs

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

20.
What do monomers do?
a)
Bond to make a polymer
b)
Create essential proteins
c)
Stores energy
d)
Splits to make more cells
21.

Which organic molecule would a long-distance runner most likely choose to eat two hours before a race?

a)

A protein, because it builds muscle mass.

b)

A lipid because it provides long term energy storage.

c)

A carbohydrate because it releases energy quickly.

d)

A protein, because it transports oxygen into the blood stream.

22.

Monosaccharides are the building blocks of which group of biomolecules?

a)

protein

b)

lipid

c)

carbohydrate

d)

nucleic acid

23.

Which biomolecules transport oxygen and other substances and also form part of most organelles?

a)

Lipids

b)

Carbohydrates

c)

Proteins

d)

Nucleic Acids

24.

Amino Acids are the monomers of __________.

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

25.

Glycerol and fatty acids are the monomers of _________.

a)

Lipids

b)

Carbohydrates

c)

Proteins

d)

Nucleic Acids

26.

Which biomolecules contains your genetic information?

a)

Proteins

b)

Lipids

c)

Carbohydrates

d)

Nucleic Acids

27.

The monomer of Nucleic Acids is known as _________.

a)

Amino Acid

b)

Fatty Acid

c)

Nucleotide

d)

Saccharide

28.
What step does every scientific experiment begin with?
a)
hypothesis
b)
question/problem
c)
procedures
d)
conclusion
29.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
30.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
31.
Observations made during an experiment are called:
a)
data
b)
problems
c)
conclusions
d)
questions
32.
On what axis should the independent variable always be?
a)
X
b)
Y
33.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what are the controlled variables?
a)
Type of plant, amount of music, and sunlight
b)
Water, apple juice, milk
c)
Plant growth
34.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
35.
Squidward found new reeds to tryout for his clarinet.  He used an APPLAUSOMETER to measure applause after playing  Under the Sea with each reed.  The results were put in the table.
What was the independent variable?
a)
The Song
b)
The Reed
c)
The Applause
36.
In passive transport, molecules move from an area of __________ concentration to an area of __________ concentraiton
a)
high, low
b)
low, high
c)
water, salt
d)
active, passive
37.
Which of the following is not a type of passive transport?
a)
Osmosis
b)
Diffusion
c)
Endocytosis
d)
Facilitated Diffusion
38.
In which solution will water move into a cell?
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
d)
Equilibrium
39.
What type of transport is this?
a)
Diffusion
b)
Osmosis
c)
Facilitated Diffusion
d)
Active Transport
40.

Particle of movement from an area of lower concentration to an area of higher concentration.

a)

Active transport

b)

Passive transport

41.

Which type of transport does not use energy to transport substances?

a)

Active transport

b)

Passive transport

42.

Which type of passive transport focuses on the movement of water through the membrane?

a)

Facilitated diffusion

b)

Osmosis

c)

Diffusion

43.

Which type of solution has the same solute concentration inside of and outside of the cell?

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

44.

The cell shows water moving in and out equally, which means it was placed in a ___ solution.

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

45.

The cell expanded in size to the point of lysing (bursting), which means it was placed in a ____ solution.

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

46.

The cell shrunk in size, which means it was placed in a ____ solution.

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

47.

what is osmoregulation?

a)

Control of water and salt in the body

b)

Control of blood pressure in the body

c)

Control of blood glucose in the body

48.

During osmosis

a)

water moves from high to low concentration

b)

large or oddly shaped molecules move across a cell membrane

c)

water moves when energy is used

d)

proteins are built

49.

If the dots represent sugar what direction will the water flow?

a)

Into the cell

b)

Out of the cell

c)

Both equally (equilibrium)

50.

When you are hot, your body sweats to cool you down. This means your temperature went above normal and your body sweats to counteract that change to bring you back to normal. What kind of feedback loop would this be?

a)

Negative Feedback Loop

b)

Positive Feedback Loop

c)

Neutral Feedback Loop

d)

Linear Feedback Loop

51.

How do covalent bonds form?

a)

By donating and receiving valence electrons between atoms.

b)

Scientists still aren't sure.

c)

Opposite slight charges attract each atom in the compound.

d)

Sharing valence electrons between atoms

52.
Compounds are made up of two or more atoms physically combined.
a)
True
b)
False
53.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
54.
Can compounds be found in the periodic table?
a)
Yes
b)
No
55.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
56.

What is used or released when ATP becomes ADP?

a)

phosphate released / energy used

b)

phosphate used / energy released

c)

phosphate released / energy released

d)

phosphate used / energy released

57.

What is used / released when ADP becomes ATP?

a)

phosphate released / energy used

b)

phosphate used / energy used

c)

phosphate released / energy released

d)

phosphate used / energy released

58.

What is ATP used for?

a)

It is recharged to be used later.

b)

As a backbone for DNA.

c)

Special cell actions that require large amounts of energy.

d)

Any cellular process requiring energy.

59.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
60.
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
a)
Enzymes increase the energy of the reactants.
b)
Enzymes decrease the energy level of the products.
c)
Enzyme decrease the activation energy of the reaction.
d)
Enzymes reverse the direction of the reaction.
61.
Based on the graph, what is the optimal temperature for this enzyme? 
a)
15oC
b)
40oC
c)
30oC
d)
35oC
62.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
63.
Enzymes are...
a)
nucleic acids
b)
proteins
c)
lipids
d)
carbohydrates
64.
Enzymes speed up reaction rates by changing...
a)
Activation Energy
b)
pH
c)
Hydrogen Bonds
d)
Kinetic Energy
65.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
66.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
67.

What happens when enzymes are heated to a high temperature?

a)

The enzymes die.

b)

The shapes of the enzyme are altered.

c)

The enzymes' amino acid sequence changes.

d)

The enzymes remain the same

68.
Enzymes will make a reaction go _______ and use ______ energy.
a)
faster, less
b)
faster, more
c)
slower, less
d)
slower, more
69.
Enzymes are composed of which of the following monomers? 
a)
amino acids
b)
carbohydrates
c)
nucleotides
d)
monosaccharides
70.

How many bonds will a C atom form?

a)

1

b)

2

c)

3

d)

4

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