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7th Grade Science Review Flashcards | StudBud
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7th Grade Science Review
7th Grade Science Review
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7th grade science
Flashcards
26 cards
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Questions
26
Answers
1
In plant and animal cells, the control center of the cell is the _____.
chloroplast
cytoplasm
nucleus
Golgi body
2
The tool scientists use to see cells is called a _____.
microscope
ruler
test tube
beaker
3
The first step of the scientific method is to...
observe.
design an experiment.
share information.
collect data.
4
What part of a cell protects the inside of the cell?
cytoplasm
nucleus
chromosome
cell membrane
5
You accidentally cut your hand during a lab. What should you do?
Tell the teacher immediately.
Scream, yell and panic.
Ignore it.
Drip blood everywhere.
6
At the beginning of meiosis, the chromosomes are copied. This is during ______.
anaphase
metaphase
interphase
telophase
7
When you toss a coin, the probability that it will land
heads up
is _____.
yes
100%
50%
1 out of 2
8
You see some classmates wearing gym shirts and shorts. What do you infer?
They are skipping school.
They are comfortable.
They are in detention.
They are in gym class.
9
Goggles are worn during a science lab ____.
to look cool.
to improve your vision.
if you do not have glasses.
to protect your eyes from chemicals.
10
The genotype of the green pea is ___.
AA
aa
Aa
11
Chromosomes are ______ in the nucleus.
designed
genes
paired
not
12
The _______ in a cell holds all the organelles in a gel-like fluid.
cytoplasm
mitochondria
cell membrane
nucleus
13
What did Gregor Mendel study?
genetics
humans
pea plants
inheritance
14
How many cells are there as a result of meiosis?
1
4
10
2
15
In the Punnet square shown, what
percentage
of offspring will have blue eyes?
50%
3/4
100%
25%
16
What is the magnification of the microscope if one lens is 15 and the other lens is 40?
25
55
150
600
17
The white guinea pig has _______ traits.
recessive
fewer
BB
dominant
18
At the end of meiosis, the sex cells have _____ chromosomes.
1
92
46
23
19
If you observe that you have 6 pencils and 3 pens, you are making a _______ observation.
science
data
quantitative
qualitative
20
What does a plant cell have that an animal cell does not?
vacuole
cell wall
ribosome
nucleus
21
If dominant trait for being yellow is Y, then SpongeBob's genotype could be ____.
yy
Yy
YY
22
A dominant trait is a trait that _____.
shows up.
sometimes appears.
is gross.
is hidden.
23
Meiosis is _____.
in cells.
chromosomes.
the chart that shows the offspring's genotype.
the process that reduces chromosomes to form sex cells.
24
A chloroplast is in a ______.
plant cell
both
animal cell
neither
25
Which of the following is a hypothesis?
Red candy tastes better than blue candy.
If a paper towel has more texture, it will absorb more water
If a cat runs up a tree, it will be stuck.
Soccer is the best sport.
26
What
fraction
of plants in the picture will be green?
1/4
1/2
50%
3/4
