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