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