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Life Sci Pretest
1.
2.
3.
4.
5.
Which of the following is an example of an
inherited trait?
a)
Corn plants develop wilted leaves as a result of a
drought.
b)
A weight lifter trains hard to develop larger
muscles.
c)
A father and his daughter both have red hair.
d)
A woman dyed her hair blond.
6.
Sperm and ovule
b)
Pollen and egg
c)
Egg and ovule
d)
Sperm and egg
A group of organs together forms:
7.
8.
When plants perform photosynthesis, they need
__________ and ______________ plus sunlight to
make sugar.
a)
Nitrogen and Carbon dioxide
b)
oxygen and water
c)
Carbon dioxide and water
d)
Sugar and oxygen
Your body needs oxygen in order to function.
Which of the following systems is at work when
you take in oxygen?
Which classification group do snakes, fish and
frogs belong in?
a)
digestive
b)
muscular
a)
invertebrates
c)
respiratory
b)
warm-blooded vertebrates
d)
excretory
c)
single-celled
d)
cold-blooded vertebrates
Plants are the primary producers in an ecosystem.
If all the plants in a certain ecosystem were
destroyed, which of the following statements would
be TRUE?
a)
Consumers would increase because they food
supply increased.
b)
Plants would continue to do photosynthesis
because sunlight is still available.
c)
The consumers in the ecosystem would form a
food web.
d)
Decomposers would have less to break down.
Which human activity would MOST upset the
balance of nature in an ecosystem?
a)
Photographing birds.
b)
Capturing birds to study in a laboratory.
c)
Observing birds in their natural habitat.
d)
Recording bird calls to listen to in a laboratory.
Hour:
a) An organ
b) A cell
c) A tissue
d) A system
In animals, hereditary information is passed on as
a result of the union between
a)
Name:
9.
Bees pollinate flowers. Bees get food and flowers
get help reproducing. Which relationship does this
represent?
a)
symbiosis
b)
parasitism
c)
predation
d)
competition
10. Which of the following describes a plant’s role in a
food chain?
a)
producer.
b)
consumer.
c)
decomposer
d)
prey
11. Primary succession begins with the appearance of:
a) A pioneer species
b) A climax community
c) Small vertebrates, such as snakes and birds.
d) Large trees, such as beech or maple
Life Science Test
12. A mother may pass colorblindness to her son
without being colorblind herself because
a) the gene for colorblindness is recessive
b) the gene for colorblindness is dominant
c) colorblindness is an acquired trait
d) she selected the trait for colorblindness
Name:
Hour:
17. Put the following states of primary succession in
the correct order.
1—grass begins to grow
2—soils forms
3—large tress live in the area
4—lichen and mosses break up rock
13. Which specialized cell absorbs water from the soil?
5—shrubs and small trees grow.
a) Stem cell
a) 2, 1, 3, 5, 4
b) root cell
b) 4, 3, 5, 2, 1
c) red blood cell
c) 4, 2, 1, 5, 3
d) leaf cell
d) 3, 2, 1, 5, 4
14. Which of the following animals are not able to
control their body temperature?
a) Fish and reptiles
b) Birds and reptiles
c) Birds and mammals
d) Amphibians and mammals
15. How do non-flowering plants spread their pollen?
18. Which of the following could be used as evidence
to support that Fish and Chicken share a common
ancestor?
a) Similar bone structures
b) Similar embryos at very early stages
c) Both A and B
d) None of the above
a)
Wind spreads it
19. Which of
invertebrates?
the
b)
animals spread it
a) Worm and Spider
c)
Both A and B
b) Beetle and Chipmunk
d)
None of the above
c) Duck and Turtle
following
animal
pairs
are
d) Fish and Shrimp
16. Which of the following is an example of an
adaptation?
a) Animals that are active at night have large eyes.
b) The color pattern on a fish resembles the rocks
where it lives.
20. Groups of organs work together to form a system.
Two examples are the nervous system and the
muscular system. Which of the following shows most
simple to most complex?
c) The call of a particular bird species can be
heard by mates that are over a mile away.
a) cellstissuessystemsorgans
d) All of the above
c) cellstissuesorganssystems
b) tissuessystemscellsorgans
d. systemsorganstissuescells
Review
Prestest
Name:
Hour: