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February 2016
Test Description: My second test
Instructions: Answer all questions to get your test result.
1) Which is the body's response to germs in the lungs? (to maintain homeostasis)
A
vomit
B
fever
C
feeling of hunger
D
sweat (perspiration)
2) Populations migrate for several reasons. One reason they migrate is to find or follow
A
food
B
mates
C
open space
D
snow
3) Plants that are phototropic, such as those leaning toward a sunny window, bend toward ____.
A
heat
B
light
C
glass
D
gravity
4) Plants are geotropic (gravitropic), roots grow down while stems grow upward. This is a response to the pull of ___.
A
the sun
B
water
C
gravity
D
air
5) Plant growth toward LIGHT is called
A
precipitation
B
geotropism
C
gravitropism
D
phototropism
6) Over many generations, wolves have been bred by people into domesticated dogs such as terriers and chihuahuas through
A
gene therapy (genetic engineering)
B
artificial selection (selective breeding)
C
natural selection
D
asexual reproduction
7) Camouflage, sharp teeth, protective shells, are advantages that help organisms survive in their environment know as
A
adaptations
B
generations
C
dominant traits
D
genotypes
8) The function of a gene is to determine or govern
A
breathing
B
traits
C
voluntary actions
D
energy
9) Inherited traits are controlled by ______ on chromosomes in the nucleus.
A
enzymes
B
genes
C
tissue
D
electricity
10) Genetic material found in the nucleus codes for
A
extinction
B
oxygen
C
traits
D
gravity
11) Sperm fertilizing an egg (ovum or ova) is
A
sexual reproduction
B
binary fission
C
asexual reproduction
D
regeneration
12) New cells that are most different from their parent cells are the result of
A
sperm fertilizing egg
B
budding
C
cells dividing during regeneration
D
a cell splitting
13) Where do cells come from?
A
the reproduction (dividing) of pre-existing cells
B
the cell store
C
the cell stork
D
air
14) What system supports the body?
A
skeletal
B
endocrine
C
nervous
D
muscular
15) One danger of damaged/broken/ cut skin
A
mutation
B
cramping
C
infection
D
perspiration
16) Chemical digestion turns carbohydrates into
A
fatty acids
B
proteins
C
simple sugars
D
amino acids
17) Teeth breaking food, stomach muscles squeezing food are examples of
A
vomiting
B
mechanical (physical) digestion
C
indigestion
D
chemical digestion
18) Saliva changing carbohydrates into sugar, stomach acids breaking protein into amino acids are
A
chemical digestion
B
mutations of genes
C
mechanical digestion
D
examples of peristalsis
19) Mitochondria absorb oxygen while transforming energy , which releases carbon dioxide
A
like your muscles
B
like your heart
C
like your lungs
D
like your brain
20) A plant cell has an organelle that turns sunlight into food, this organelle is called a
A
chloroplast
B
cell wall
C
nucleus
D
mitochondrion
*select an answer for all questions
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