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Worksheets2nd Quarter Final Review
Total questions: 15
Worksheet time: 18mins
Name
Class
Date
1.
What is the function of the cell membrane?
a)
it contains digestive enzymes that help rid the cell of old organelles
b)
it serves as the control center of the cell
c)
it gives the cell structural support and regulates what enters and exits the cell
d)
it contains the cells organelles and it is the site where chemical reactions are performed
2.
Most mammals have diploid body cells and haploid gametes. During ___ chromosomes from haploid gametes combine, and a ___ zygote is formed.
a)
fertilization, diploid
b)
fertilization. haploid
c)
implantation, diploid
d)
implantation, haploid
3.
During meiosis, each diploid parent cells divides ___ and produces ___ haploid daughter cells.
a)
once, 2
b)
once, 4
c)
twice, 2
d)
twice, 4
4.
Trisha is designing an experiment to find out whether a certain pesticide is carcinogenic to amphibians. She is planning on exposing frogs to different amounts of pesticides. Should Trisha include a control group?
a)
No, Trisha will not need a control.
b)
Yes, she should have one group not exposed to pesticides
c)
No, she doesn't need a control group because she is using different amounts of pesticides.
d)
Yes, she needs to use a different species of frog in her control
5.
What is the function of the golgi apparatus?
a)
to aid proteins by joining amino acids together
b)
to supply the cell with energy in the form of ATP
c)
to collect, package, and distribute molecules produced by the cell
d)
to store ions, steroids, and package proteins
6.
When environmental conditions change, it is more likely that at least some members of a species will survive if...
a)
the members are genetically identical
b)
the species reproduces sexually
c)
there is variation among the members
d)
the species requires very specific conditions
7.
Hayden has placed a cricket in a terrarium. He is interested in learning about cricket behavior. Which of the following is a question about cricket behavior that Hayden can answer through a scientific investigation?
a)
Do crickets make better pets than lizards?
b)
How will the cricket behave if another cricket is placed in the terrarium?
c)
How will the cricket feel if the terrarium is placed in a dark room?
d)
Does a cricket prefer to live in the wild or a terrarium?
8.
Rachel grows peas in her backyard. Some of the pea plants have purple flowers, some have white flowers. What does this indicate about Rachel's pea plants?
a)
There is genetic variation
b)
All the plants have identical genes.
c)
they can ONLY reproduce sexually
d)
The plants cannot reproduce
9.
Materials are able to move across a cell membrane through active or passive transport. What is the difference between active and passive transport?
a)
Active transport requires a cell to form vesicles, passive transport uses pumps
b)
Active transport is the only form that requires the use of protein carriers
c)
active tranpsort requires the cell to use energy, passive transport does not
d)
Passive transport is the only form that uses protein carriers.
10.
What do cells use to transport other nutrients in the cell?
a)
the energy made from carbohydrates
b)
the watery environment of the cytoplasm
c)
proteins in the nucleus
d)
the fats in the plasma membrane
11.
For a cell to maintain the appropriate balance of materials it must be able to move things into and out of the cell. The degree to which materials are able to flow through the cell's membrane is called...
a)
reabsorption
b)
transpiration
c)
permeability
d)
oxidation
12.
Within eukaryotic cells. there is an intricate network of ___ with unique functions.
a)
organelles
b)
mitochondria
c)
chromosomes
d)
vacuoles
13.
During the process of meiosis, special cells called gametes are formed. Gametes only have 1/2 the number of chromosomes that body cells have. What form of reproduction do organisms that produce gametes use?
a)
budding
b)
bianary fission
c)
sexual reproduction
d)
fragmentation
14.
A scientist discovered a new antibiotic and wanted to know if it would be effective against group A Streptococcus bacteria. He designed an experiment in a lab with ten different cultures of bacteria. He introduces the antibiotic into five of the cultures, leaving the other five to grow without it.
What is the independent variable in his experiment?
What is the independent variable in his experiment?
a)
the antibiotic
b)
the bacteria
c)
the total number of bacteria
d)
the reaction of the bacteria to the antibiotic
15.
The chemical formula for photosynthesis is:
6CO2+6H2O-->C6H12O6+6O2
The chemical formula for cellular respiration is:
C6H12O6+6O2-->6CO2+6H2O
What is the relationship between these reactions?
6CO2+6H2O-->C6H12O6+6O2
The chemical formula for cellular respiration is:
C6H12O6+6O2-->6CO2+6H2O
What is the relationship between these reactions?
a)
the products of PS are not involved in CR
b)
The products of PS are the reactants of CR
c)
the reactants of PS are the reactants of CR
d)
The products of PS are the products of CR
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