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Baumann's Science Review
Test Description: 7th grade Benchmark Review
Instructions: Answer all questions to get your test result.
1) Acids and enzymes break down food in __ digestion.
A
chemical
B
mechanical
C
none of these answers is correct
D
physical
2) Food, waste and other materials are TRANSPORTED to and from cells by which body system?
A
none of these answers is correct
B
respiratory
C
digestive
D
circulatory
3) The main function of the lungs is __.
A
reproduction
B
perspiration
C
digestion
D
respiration
4) The cell organelle that absorbs oxygen and releases carbon dioxide (the lungs of the cell)
A
cell wall
B
cytoplasm
C
vacuole
D
mitochondria
5) What oval shaped organelle uses sunlight to make food?
A
mitochondria
B
vacuoles
C
lysosomes
D
chloroplasts
6) Which would result in diverse offspring: (divers means different)
A
regeneration
B
budding
C
binary fission
D
sperm fertilizes egg
7) What do genes on chromosomes found in the nucleus do?
A
make glucose
B
determine inherited traits
C
transform chemical into heat/thermal energy
D
store water, food and waste
8) Adaptations of the finches beaks and tortoises shells on the Galapagos Islands where caused by
A
extinction
B
Mrs. Baumann
C
selective breeding
D
natural selection
9) In a freshwater biome, ponds and nearby rivers have
A
Mermaids and dragons
B
NONE of the same plants and animals
C
ALL of the same plants and animals
D
SOME of the same plants and animals
10) How does a pre-existing cell make another cell (or how do cells reproduce)?
A
digestion
B
respiration
C
by division of pre-existing cells (it divides)
D
selective breeding
11) Plants changing radiant energy into chemical energy during
A
winter
B
respiration
C
an eclipse
D
photosynthesis
12) Which is an advantage (+) of sexual reproduction? :)
A
it is fast
B
uniform offspring are cuter
C
it is efficient
D
diverse offspring better chance of survival (natural selection) when environment changes
13) If a plant is “phototropic”, that means it bends toward ---.
A
light
B
water
C
Mrs. Baumann
D
gravity
14) Function or job of a chromosome
A
storage of food, water or waste
B
respiration
C
perspiration (sweat)
D
determine inherited traits
15) During succession, stable trees and shrubs are found in which:
A
pioneer community
B
climax community
C
intermediate community
D
pioneer species
16) Which is the LEAST COMPLEX level of organization in living things?
A
organ system
B
cell
C
tissue
D
organ
17) Xylem is straw-like tissue in the stems of plants. What does XYLEM do?
A
eat flies
B
stores water, food, or waste
C
photosynthesis
D
transports water
18) High biodiversity is a _____ number of individual plants and animals, AND _____ different species in an ecosystem.
A
large, few
B
small, many
C
small, few
D
large, many
19) Warm blooded organisms maintain body temperature by transforming ______ energy of food into _______ energy
A
nuclear, electrical
B
chemical, thermal/heat
C
electrical, solar
D
kinetic, chemical
20) Stomach acid and saliva enzymes are used in what type of digestion that converts food into new substances?
A
mechanical
B
none of these answers is correct
C
physical
D
chemical
*select an answer for all questions
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