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EOY Review 15/16 Flashcards | StudBud
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EOY Review 15/16
EOY Review 15/16
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7th grade Science end of the year review
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
Which best describes how energy changes during photosynthesis?
Chemical energy is converted to mechanical energy
radiant energy is converted into chemical energy
radiant energy is converted into heat energy
thermal energy is converted into radiant energy
2
Which level of organization is shown in the picture?
organ system
organism
tissue
organ
3
Plant cells are different from animal cells because plant cells have
cell walls
nuclei
vacuoles
cytoplasm
4
Which best describes an advantage of sexual reproduction over asexual reproduction
sexual reproduction produces many more offspring
sexual reproduction increases the distribution of population
sexual reproduction increases genetic variablity
sexual reporoduction creates uniformity
5
Which body system is involved in slow processes such as fluid balance, growth and development?
lymphatic system
integumentary system
reproductive system
endocrine system
6
What organ systems removes waste from the body?
respiratory and circulatory systems
excrertory, respiratory, and digestive systems
excretory and nervous
immune, respiratory, and muscular systems
7
The process of ecological succession will be complete when
the first population of plants move into the area
the ecosystem reaches equilibrium
another volcanic eruption occurs
the area can no longer support living things
8
Which is an example of a situation where no work is being done?
a man pushing a box up a ramp
a boy holding a box in his hands
a girl shoving a box of shoes under her bed
a woman filling a box with old clothes
9
What is the process of choosing parent organisms for the traits that we want in an offspring?
breeding selection
reproductive selection
active selection
selective breeding
10
Which statement correctly identifies the cell type and explains why?
this is an animal cell; the evidence is the mitochondria
this is a plant cell; the evidence is the nucleus
this is an animal cell; the evidence is the nucleus
this is a plant cell; the evidence is chloroplasts
11
What process moves water from plants to the atmosphere?
evaporation
inflitration
condensation
transpiration
12
Plants respond to their environment in different ways. A plants response to external stimuli is
a tropism
photsynthesis
a negative response
a positive behavior
13
What is found in the nucleus and carries the inherited traits from parent to offspring
nervous system
skin
Genetic material
body cells
14
Mammals can maintain their own body heat using the food they eat. What is this an example of?
converting kinetic to chemical energy
converting thermal to chemical energy
converting kinetic to thermal energy
converting chemical to thermal energy
15
When man is exploring space, all of the following accommodations must be met except?
Water
Carbon Dioxide
Oxygen
Food
16
What must be true for work to be done?
the object must accelerate so that it maintains its speed
the object must move in the same direction of the force
the object must have a sizeable mass
the object must move in the direction opposite of the force
17
Which organ breaks down food chemically and then absorbs the nutrients?
small intestine
large intestine
liver
stomach
18
Which of the following formulas represents an organic compound?
CaSO4
H2O
C6H12O6
NaCl
19
What has the greatest effect on how fast surface water seeps into the ground?
temperature
fertilizers applies to crops
permeability of the rock layer
time of day
20
Which is an example of mechanical weathering?
clay forming as feldspar breaks down
limestone dissolving to form a cave
tree roots breaking apart a boulder
rust forming on a bike
21
Which rock layer providesthe best long-term storage of groundwater?
low porosity, high permeability
low porosity, low permeability
high porosity, low permeability
high porosity, high permeability
22
A student sets up a model of the water cycle that includes a lamp. What does the lamp represent
precipitation
radiant energy
clouds
evaporation
23
Which of the following scenarios would require more work?
a man uses 10N to push a boulder 10M up a hill
a man uses 3N to push a boulder 5M up a hill
a man uses 5N to push a boulder 10M up a hill
a man uses 2N to push a boulder 7M up a hill
24
Which of the following exerts a force on blood in the body?
relaxing heart muscles
contracting heart muscles
rigid walls in arteries
valves in the heart
25
Which organ system is responsible for regulating the concentrations of substances in the body.
lymphatic system
circulatory system
digestive system
excretory system
26
What type of relationship occurs between an ecosystems biodiversity and its sustainability?
decreasing biodiversity and increasing sustainability
increasing biodiversity and decreasing sustainability
increasing biodiversity and unchanging sustainanility
increasing biodiversity and increasing sustainability
27
Which of the following is not one of the main components of the cell theory?
all living things are made of cells
cells can only come from other cells
all cells must contain a nucleus
cells are the basic unit of life
28
Heredity is the passage of genetic instructions
from one generation to another
during asexual reproduction
from gene to chromosome
from sex cells to zygote
29
Which of the following is responsible for deep canyons found in the high plains?
biological weathering
water erosion
glacial erosion
wind erosion
30
Which part of this food web hold the highest amount of energy and why?
the bird because he is an omnivore
green plants because plants take their energy directly from
the hawk because it eats the most different types of animals
the bird because it eat herbivores
