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Midterm Review 2018 B
Test Description: Life Science
Instructions: Answer all questions to get your test result.
1) The lysosome is to the cell as the _______ is to a factory.
A
the factory floor
B
the security fence
C
janitor
D
the boss
2) What term refers to the movement of molecules from an area of higher concentration to an area of lower concentration?
A
concentration
B
active transport
C
diffusion
D
collision
3) Which term refers to the diffusion of water molecules through a selectively permeable membrane?
A
engulfing
B
active tansport
C
passive transport
D
osmosis
4) Which term refers to the movement of materials through a cell membrane without using the cell’s energy?
A
concentration
B
collision
C
active transport
D
passive transport
5) consumers that eat both plants and animals are called
A
omnivores
B
scavengers
C
herbivores
D
carnivores
6) The many overlapping food chains in an ecosystem make up a(n)
A
a food web
B
energy pyramid
C
niche
D
feeding level
7) All plants are
A
heterotrophs
B
prokaryotes
C
eukaryotes
D
unicellular
8) The smallest unit of ecological organization is a single
A
population
B
organism
C
community
D
ecosystem
9) The largest population that an environment can support is called its
A
carrying capacity
B
birth rate
C
death rate
D
limiting factor
10) Which organism is likely to be at the beginning of a food chain for a pond ecosystem?
A
sunfish
B
paramecium
C
green algae
D
freshwater shrimp
11) We get energy from food. The energy in the food first comes from
A
nutrients in the soil left by decomposers
B
the sun's energy trapped in food by producers
C
the vitamins and minerals added by food manufacturers
D
the fertilizers used by farmers to make plants grow faster
12) Which of the following is NOT used to make glucose in photosynthesis?
A
CO2
B
H2O
C
O2
D
light energy
13) The equation: CO2 + H2O + light energy ------- C6H12O6 + O2 is
A
photosynthesis
B
cellular respiration
C
exocytosis
D
fermentation
14) _________ trees produce seeds in cones and do NOT lose their leaves in the fall.
A
Biotic
B
Deciduous
C
Coniferous
D
Tropical
15) When a flea is living on a dog, the dog is the
A
predator
B
host
C
prey
D
parasite
16) Parasitism occurs when one organism benefits from an interaction and the other organism:
A
always dies
B
also benefits
C
is not affected
D
is negatively affected or killed
17) Grass that gains energy from the sun is an example of a
A
consumer
B
decomposer
C
producer
D
parasite
18) A major factor used to classify biomes is
A
the number of people that live there
B
the climate in the region
C
the surface area of the region
D
the sources of water present
19) Which organelle is the control center of a cell?
A
chloroplast
B
mitochondria
C
ribosome
D
nucleus
20) Animals that eat a variety of meats, fruits, and vegetables are
A
producers
B
herbivores
C
omnivores
D
carnivores
*select an answer for all questions
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