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WorksheetsEnd of Quarter 1 Review
Total questions: 20
Worksheet time: 12mins
Name
Class
Date
1.
Factors that are kept the same between experimental and control groups are called__________.
a)
Independent Variables
b)
Dependent Variables
c)
Controls
d)
Constants
2.
What is the independent variable?
a)
What the scientist changes.
b)
What is being measured.
c)
What stays the same.
d)
What you compare everything to.
3.
What is the purpose of the coarse adjustment on the microscope?
a)
To adjust the slide to your eyesight.
b)
To focus the specimen under low power.
c)
To magnify the specimen.
d)
To adjust the light so you can see.
4.
An experiment was performed to determine how plants grow in different colors of light. Three groups of plants were grown under identical conditions, one in green light, one in blue light and one in regular sunlight. The group of plants grown in regular sunlight is known as the _____________.
a)
Independent variable
b)
Dependent variable
c)
Control
d)
Constant
5.
A student wanted to test whether beans actually make people fart. He used 4 different types of beans and had one group eat no beans. He gave 100 mg of beans to each person in the experiment for 5 days then counted their farts for an hour.
What was the independent and dependent variables?
What is the control?
List the constants.
What was the independent and dependent variables?
What is the control?
List the constants.
a)
IV – types of beans, DV – number of farts, Control – no beans, Constant – 100 mg, 5 days, counted farts one hour
b)
IV - numbers of farts, DV - types of beans, Constant - no beans, Control - no beans
6.
What elements do carbohydrates, lipids, proteins and nucleic acids all contain?
a)
Just C
b)
C, H, O, N, P
c)
C, H, O, N, P, S
d)
C, H, O
7.
Disaccharides, glycogen, and starch are examples of which class of biomolecule?
What is the overall function of that biomolecule?
What is the overall function of that biomolecule?
a)
Nucleic acids; genetic info
b)
Carbohydrates; energy
c)
Proteins; build new cells
d)
Lipids; build the cell membrane
8.
What is the name of the monomer that has a circle, pentagon and a rectangle? What biomolecule category do these belong to?
a)
Nucleotide; Nucleic Acid
b)
Carbohydrate; Monosaccharaide
c)
Lipid; Triglyceride
d)
Protein; amino acid
9.
Lipids come in two different forms, saturated and unsaturated. Which of these is considered the “healthy” fat, and what makes it “healthy”?
a)
Saturated; no double bond
b)
Unsaturated; double bond
10.
What is the monomer of a protein?
a)
Nucleotide
b)
Monosaccharide
c)
Triglyceride
d)
Amino Acid
11.
In DNA, what are Chargaff’s base pair rules?
a)
Adenine - Guanine, Cytosine - Thymine
b)
Adenine - Cytosine, Guanine - Thymine
c)
Adenine - Thymine, Guanine - Cytosine
12.
Describe the three parts of a nucleotide, give their SHAPES!
a)
Circle = phosphate
Pentagon = sugar (deoxyribose)
Rectangle = nitrogen base
Pentagon = sugar (deoxyribose)
Rectangle = nitrogen base
b)
Circle = sugar
Pentagon = phosphate
Rectable = nitrogen base
Pentagon = phosphate
Rectable = nitrogen base
13.
What are the two enzymes involved in DNA replication?
a)
Helicase – separates the DNA strand
DNA Polymerase – adds in the new nucleotides
DNA Polymerase – adds in the new nucleotides
b)
Helicase - adds new nucleotides
DNA Polymerase - separates the strands
DNA Polymerase - separates the strands
14.
Which part of a nucleotide makes you unique? And what sort of bonds hold them together?
a)
Hydrogen bases; hydrogen bonds
b)
Nitrogen bases; nitrogen bonds
c)
Hydrogen bases; nitrogen bonds
d)
Nitrogen Bases; hydrogen bonds
15.
Where does DNA replication take place in the cell?
a)
Cytoplasm
b)
Nucleus
c)
Ribosome
d)
Cell wall
16.
The difference between prokaryotes (like bacteria) and eukaryotes (like plants and animals) is that prokaryotes do not have a ________________.
a)
cell wall
b)
tail
c)
nucleus
d)
cytoplasm
17.
When you first begin to see chromosomes this cell is in _________________.
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
18.
When chromosomes line up in the middle, this cell is in _______________.
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
19.
How is mitosis different in a plant cell than an animal cell?
a)
Plant cell has cell plate; animal cell has cell wall.
b)
Plant cell has cell plate; animal cell does not.
c)
Plant cell has cell membrane; animal cell does not.
d)
Plant cell has centrioles; animal cell does not.
20.
For what three reasons do cells need to go through mitosis?
a)
growth, repair
b)
reproduction
c)
growth, repair, just cuz
d)
growth, repair, reproduction
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