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