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WorksheetsQuarter 1 Review
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
The variable changed by the scientist is called the..
a)
control
b)
constant
c)
independent
d)
dependent
2.
What is a dependent variable?
a)
the variable changed by the scientist
b)
the component of the experiment that remains unchanged
c)
the experiment set up that is used for comparison
d)
the variable being measured
3.
What is a constant?
a)
the variable changed by the scientist
b)
the component of the experiment that remains unchanged
c)
the experiment set up that is used for comparison
d)
the variable being measured
4.
What is a control?
a)
the variable being measured
b)
the experiment set up that is used for comparison
c)
the variable changed by the scientist
d)
the variable that might change because of the independent
5.
What form of measurement is used for length?
a)
grams
b)
liters
c)
meters
d)
celsius
6.
What is being measured when grams are the unit of measurement?
a)
mass
b)
length
c)
volume
d)
temperature
7.
What is being measured when liters are the unit of measurement?
a)
mass
b)
length
c)
volume
d)
temperature
8.
True or False -- experiments should be repeated multiple times to test the conclusion
a)
true
b)
false
9.
Which order is correct for the steps of the scientific method?
a)
1. analyze 2. report 3. hypothesize 4. experiment 5. observe
b)
1. observe 2. hypothesize 3. experiment 4. analyze 5. report
c)
1. observe 2. experiment 3. hypothesize 4. report 5. analyze
d)
1. experiment 2. observe 3. hypothesize 4. analyze 5. report
10.
What does Buriet's solution turn when proteins are present?
a)
purple
b)
blue-black
c)
green
d)
2 layers, red on top
11.
What does Lugol's iodine solution turn when starches are present?
a)
purple
b)
blue-black
c)
green
d)
2 layers, red on top
12.
What does Benedict's solution turn when sugars are present?
a)
purple
b)
blue-black
c)
green
d)
2 layers, red on top
13.
What does Sudan Red solution turn when lipids are present?
a)
purple
b)
blue-black
c)
green
d)
2 layers, red on top
14.
What is the monomer of a nucleic acid?
a)
nucleotide
b)
amino acid
c)
fatty acids & glycerol
d)
monosaccharide
15.
What is the monomer of a polypeptide?
a)
nucleotide
b)
amino acid
c)
fatty acids & glycerol
d)
monosaccharide
16.
What is the monomer of a lipid?
a)
nucleotide
b)
amino acid
c)
fatty acids & glycerol
d)
monosaccharide
17.
What is the monomer of a carbohydrate?
a)
nucleotide
b)
amino acid
c)
fatty acids & glycerol
d)
monosaccharide
18.
What atoms make up carbohydrates?
a)
Carbon, Hydrogen, Oxygen in a 1:2:1 ratio
b)
Carbon, Hydrogen, Oxygen, Calcium
c)
Carbon, Hydrogen, Oxygen, Nitrogen
d)
Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorous
19.
What atoms make up lipids?
a)
Carbon, Hydrogen, Oxygen
b)
Carbon, Hydrogen, Oxygen, Calcium
c)
Carbon, Hydrogen, Oxygen, Nitrogen
d)
Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorous
20.
What atoms make up proteins?
a)
Carbon, Hydrogen, Oxygen in a 1:2:1 ratio
b)
Carbon, Hydrogen, Oxygen, Calcium
c)
Carbon, Hydrogen, Oxygen, Nitrogen
d)
Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorous
21.
What atoms make up nucleic acids?
a)
Carbon, Hydrogen, Oxygen in a 1:2:1 ratio
b)
Carbon, Hydrogen, Oxygen, Calcium
c)
Carbon, Hydrogen, Oxygen, Nitrogen
d)
Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorous
22.
___________________ are proteins that act as biological catalysts; they speed up chemical reactions that take place in cells by lowering the activation energy.
a)
enzyme
b)
substrate
c)
regulatory gene
d)
buffer
23.
If a cell does not have a nucleus, the organism is a(n)..
a)
plant
b)
eukaryote
c)
prokaryote
d)
animal
24.
DNA & RNA are examples of which macromolecule?
a)
carbohydrate
b)
protein
c)
nucleic acid
d)
lipids
25.
What type of transport requires energy from ATP to move substances across membranes?
a)
active
b)
passive
c)
reactive
d)
progressive
26.
Which molecule is a protein?
a)
1
b)
2
c)
3
d)
4
27.
Which molecule is a lipid?
a)
1
b)
2
c)
3
d)
4
28.
Which molecule is a carbohydrate?
a)
1
b)
2
c)
3
d)
4
29.
Which molecule is a nucleic acid?
a)
1
b)
2
c)
3
d)
4
30.
Which is a type of active transport in which the cell membrane folds inward to bring substances into the cell?
a)
Diffusion
b)
Facilitated diffusion
c)
exocytosis
d)
endocytosis
31.
Which illustration represents a cell in a hypotonic solution?
a)
a. (normal red blood cell)
b)
b. (swollen red blood cell)
c)
c. (shrunken red blood cell)
d)
d. none of the above
32.
Which illustration represents a cell in a hypertonic solution?
a)
a. (normal red blood cell)
b)
b. (swollen red blood cell)
c)
c. (shrunken red blood cell)
d)
d. none of the above
33.
Which illustration represents a cell in a isotonic solution?
a)
a. (normal red blood cell)
b)
b. (swollen red blood cell)
c)
c. (shrunken red blood cell)
d)
d. none of the above
34.
Which organelle synthesizes proteins?
a)
Golgi apparatus
b)
Ribosomes
c)
Vesicles
d)
Microtubules
35.
Which organelle modifies, sorts, and packages proteins, lipids, and other materials from the endoplasmic reticulum for storage in the cell or secretion outside of the cell?
a)
Golgi apparatus
b)
Ribosomes
c)
Vesicles
d)
Microtubules
36.
Which organelle contains the DNA?
a)
#2- nucleus
b)
#7- cell membrane
c)
#10- centrioles
d)
#4- ribosomes
37.
Which organelle produces the spindle fibers to separate the chromosomes during mitosis?
a)
#2- nucleus
b)
#7- cell membrane
c)
#10- centrioles
d)
#4- ribosomes
38.
Which organelle acts as a barrier by controlling what enters and leaves the cell?
a)
#2- nucleus
b)
#7- cell membrane
c)
#10- centrioles
d)
#4- ribosomes
39.
Which of the following structures is found in all prokaryotic and eukaryotic cells?
a)
nucleus
b)
chloroplast
c)
ribosome
d)
cell wall
40.
During diffusion, molecules move..
a)
from lower concentrations to higher concentration
b)
from higher concentration to lower concentrations
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