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7th Grade Science 1st Semester Review Flashcards | StudBud
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7th Grade Science 1st Semester Review
7th Grade Science 1st Semester Review
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1
Which cell organelle is responsible for making proteins?
chloroplast
ribosome
Rough ER
Golgi apparatus
2
Which cell organelle breaks down old cell parts (waste) ?
ribosome
lysosome
centriole
chromosome
3
In which kingdom does this belong?
animals
plants
fungi
bugs
4
Select the testable question:
What grade will I earn on the final exam?
How do mosquitos breathe?
How does sunlight affect the way plants do photosynthesis?
Is Ms D. afraid of the dark?
5
Which cell organelle is responsible for making energy available for the cell to use?
chloroplast
Golgi apparatus
Rough ER
mitochondria
6
Select the answer that is NOT true of osmosis:
it happens only in plant cells
it is when water moves across a membrane
it happens in order to maintain equilibrium and homeostasis
it's a special type of diffusion
7
Select the characteristic that is true for ALL of life:
can swim
made of cells
have chloroplasts in their cells
eat food
8
Which of these is the best definition for
magnification
?
makes images prettier
makes images bigger
makes images blurrier
makes images more clear
9
The two types of cells are:
plant and animal
trick question: there's only one type of cell
prokaryote and eukaryote
symbiote and eubacteriote
10
All of the macromolecules are made from these elements:
magnesium, strontium, barium
C, H, O, N, P (carbon, hydrogen, oxygen, nitrogen, phosphorus)
mostly helium
nitrogen, potassium, calcium
11
Photosynthesis only happens in cells that have chloroplasts.
False
True
12
Cells that are placed in saltwater solution should:
lose weight because water went out of the cells
stay the same weight because nothing will happen
gain weight because water entered the cells
13
In which kingdom does this belong?
animals
protists
plants
fungi
14
Dichotomous keys work best when they (select all that apply):
end by identifying a type of species
are complete
split a large group into two options
use words that you can understand
15
Select the type of microscope that creates 3D images:
Scanning Electron Microscope
Transmission Electron Microscope
Light Microscope
16
Which of these cell parts would NOT be found in a prokaryotic cell?
ribosome
cytoplasm
cell membrane
lysosome
17
Cellular respiration happens in most, if not all, cells.
True
False
18
Macromolecules are carbon-based molecules.
False
True
19
Select the type of microscope that magnifies the LEAST.
Light microscope
Scanning Electron Microscope
Transmission Electron Microscope
20
What are proteins made of?
amino acids
nucleic acids
lipids
fat
21
Cellular Respiration:
happens inside ribosomes
is like breathing for cells
breaks down glucose into ATP (energy cells can use)
is optional for most cells
22
What is NOT true about Cellular Respiration?
is a way that cells break down glucose
starts with oxygen and ends with carbon dioxide
happens in mitochondria
uses ATP energy
23
Which level of taxonomy is
smallest
?
family
kingdom
species
genus
24
In which kingdom are these brown things?
protists
fungi
animals
plants
25
Which of these is NOT alive?
a mosquito
a bouncy ball
a bacteria
a tree
26
Select the answer that is NOT true of ALL life:
can walk
uses energy
has DNA/RNA
maintains homeostasis
27
Prokaryotic cells are found in these organisms:
all living things
bacteria only
archaea and bacteria (aka eubacteria)
plants, animals, fungi, protists
28
Which of these cell parts would NOT be found in an animal cell?
mitochondria
chloroplast
ribosome
cytoplasm
29
Which of these is NOT a way that substances move in/out of cells?
diffusion
osmosis
endo/exocytosis
transmogrification
30
Which cell part packages proteins for shipping (usually out of the cell) ?
Golgi Apparatus
Rough ER
Vacuole
Mitochondria
31
If Ms D. and Mr. Thomas each bring you a homemade cookie and you decide Ms D's is better before you try them, that's:
dumb
BAIS
smart
bias
32
Which of these is NOT a carbohydrate?
starch
sugar
oil
cellulose (plant cell walls are made of this)
33
Photosynthesis and Cellular Respiration:
never happen in the same cell
are pretty much the same thing
are pretty much opposites of each other
never happen in animal cells
34
Animals are eukaryotic organisms.
True
False
35
Which of these foods most likely has the most protein?
meat
cheese
rice
bread
36
Osmosis is:
a special type of diffusion
a mystical process
when you learn by putting books on your head
not well understood by scientists
37
Which cell part stores waste and water?
vacuole
vacuum
vasosome
vesicle
38
Prokaryotic cells have all of the following characteristics EXCEPT:
they are bigger than eukaryotic cells
they are smaller than eukaryotic cells
they contain no nucleus
they are only unicellular organisms
39
Which Domain could survive here?
Archaea
Eukarya
Eubacteria
40
Diffusion is:
when substances move from low to high concentration
when substances move from high to low concentration
when something moves across a cell membrane
a process that goes against nature
41
Which of these is a hypothesis?
If space is far, then it is vast.
If water is planted, it will grow.
If plants get water, they will not grow.
If I pick my nose, then it might bleed.
42
Which of these is NOT a prefix in the metric system?
kilo
semi
milli
centi
43
Domain Eukarya includes all of these
except
:
animals
plants
fungi
bacteria
44
Plants need ___________ to do photosynthesis.
light, water, carbon dioxide
food, shelter, light
water, food, soil
oxygen, light, soil
45
Why do you NEED lipids (fat) in your body?
to clog your arteries
so that your body can make more cells
to protect and insulate your organs
because society reveres fat people
46
Domain Archaea includes:
archaea and bacteria
archaea only
archaea, bacteria, plants, animals
47
If you find an insect and you want to find out what kind it is, which tool would help you the most?
cladogram
dictionary
dichotomous key
48
Which cell organelle makes lipids?
mitochondria
lysosome
smooth ER
chloroplast
49
Which is a correct list of the four macromolecules?
carbohydrates, lipids, calories, fantastic acids
carbohydrates, lipids, meat, amino acids
carbohydrates, lipids, proteins, nucleic acids
carbohydrates lipids, ectoplasm, organic acids.
50
Which cell organelle gives cells its structure?
cytoskeleton
cell wall
cell membrane
cytoplasm
51
Domain Bacteria or Eubacteria includes:
Bacteria and fungus only
Bacteria, fungus and protists
All bacteria
Bacteria that are harmful only
52
Eukaryotic cells are found in these organisms:
all living things
only animals
bacteria, archaea, plants, animals
plants, animals, fungi, protists
53
Which level of taxonomy is
biggest
?
kingdom
species
genus
family