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WorksheetsLife Unit Test
Total questions: 80
Worksheet time: 40mins
Name
Class
Date
1.
What are living things made of?
a)
trillion of cells
b)
several hundred cells
c)
one or more cells
d)
one cell
2.
What are food, water, air, and a place to live?
a)
stimuli
b)
characteristics of living things
c)
basic needs of most living things
d)
examples of living things
3.
How much of the human body is water?
a)
about 70%
b)
about 10%
c)
about 50%
d)
about 99%
4.
What are hunger, sounds, and light?
a)
characteristics of life
b)
necessities of life
c)
experiences all living things share
d)
examples of stimuli
5.
What is DNA?
a)
nucleic acid
b)
a lipid
c)
a protein
d)
a barbohydrate
6.
What is one thing all living things do?
a)
They stay the same.
b)
They shrink as they get older.
c)
They grow and develop.
d)
They go through five stages.
7.
What is one characteristic that all living things share?
a)
They can sell and taste.
b)
They can move.
c)
They have two or more cells.
d)
Their cells have DNA.
8.
How do people warm up their bodies when they are cold?
a)
sweat
b)
move to shady area
c)
shiver
d)
stay still
9.
What is the passing of traits from parent to offspring called?
a)
DNA
b)
heredity
c)
sexual reproduction
d)
homeostasis
10.
the maintenance of stable internal conditions.
a)
metabolism
b)
homeostasis
c)
ATP
d)
phospholipid
11.
the sum of all chemical activities a living thing performs
a)
phospholipid
b)
metabolism
c)
ATP
d)
homeostasis
12.
molecule that forms much of the cell membrance
a)
metabolism
b)
phospholipid
c)
homeostasis
d)
ATP
13.
molecule that is the major energy carrier in the cell
a)
homeostasis
b)
ATP
c)
phospholipid
d)
metabolism
14.
molecule made up of amino acids
a)
lipids
b)
protein
c)
carbohydrate
d)
nucleic acid
15.
molecule made of sugar
a)
nucleic acid
b)
protein
c)
lipids
d)
carbohydrate
16.
molecule sometimes called the blueprints of life
a)
lipids
b)
protein
c)
nucleic acid
d)
carbohydrate
17.
fats and oils
a)
protein
b)
nucleic acids
c)
lipids
d)
carbohydrate
18.
A single-celled living things reproduces through _______________ reproduction.
a)
decomposer
b)
producer
c)
asexual
d)
consumer
19.
A living thing that makes its own food is a(n) ____________________.
a)
asexual
b)
decomposer
c)
consumer
d)
producer
20.
A living thing that eats other organisms is a(n) ________________.
a)
producer
b)
decomposer
c)
asexual
d)
consumer
21.
A living thing that breaks down the nutrients of dead organisms is a(n) ________________.
a)
producer
b)
decomposer
c)
consumer
d)
asexual
22.
All animals have eukaryotic cells and are
a)
multicellular.
b)
invertebrates.
c)
vertebrates.
d)
asexual.
23.
Walking is an example of
a)
a learned behavior.
b)
a survival behavior.
c)
an innate behavior.
d)
a seasonal behavior.
24.
To find their way when migrating some animals use
a)
body language.
b)
landmarks.
c)
courtship.
d)
circadian rhythms.
25.
A dolphin's whistles and clicks are examples of communication using
a)
touch.
b)
chemicals.
c)
sound.
d)
sight.
26.
What kind of behavior do animals use to protect themselves and their territories, food, mates, and offspring?
a)
defensive
b)
seasonal
c)
courtship
d)
learned
27.
How might animals living in a group deal with a food shortage?
a)
by reproducing
b)
by shedding
c)
by fasting
d)
by migrating
28.
Which statement about communication between animals is false?
a)
Animals use communication to find mates.
b)
Communication helps animals find their food.
c)
Communication occurs only between members of the same species.
d)
Communication helps animals avoid enemies.
29.
The relationship between a worm and a robin can be expressed as
a)
prokaryote: eukaryote.
b)
producer: consumer.
c)
prey: predator.
d)
vertebrate: invertebrate.
30.
When a bee does the "waggle dance" to direct other bees toward a food source, what is it using to communicate?
a)
grooming
b)
body language
c)
alarm pheromones
d)
singing
31.
Which of the following is an example of innate behavior?
a)
a bee flying
b)
a chimpanzee learning sign language from its trainer
c)
a human taking piano lessons
d)
a police dog finding drugs in a suitcase
32.
A killer whale teaching its offspring to hunt is an example of
a)
courtship.
b)
parenting.
c)
defensive behavior.
d)
estivation.
33.
A koala climbing a tree to get eucalyptus leaves is an example of what king of survival behavior?
a)
defensive behavior
b)
marking territory
c)
hibernation
d)
finding food
34.
What kind of communication are chimpanzees that groom each other using?
a)
courtship
b)
touch
c)
sight
d)
circadian rhythms
35.
The internal control of an animal's natural cycle is called
a)
migration.
b)
a biological clock.
c)
hibernation.
d)
estivation.
36.
Which of the following is a characteristic shared by all animals?
a)
having cell walls
b)
not having cell nuclei
c)
being a consumer
d)
budding
37.
Which of the following could be a result of living in a group?
a)
hunting and killing larger prey
b)
hunting and killing smaller prey
c)
being less visible to predators
d)
spotting predators more slowly
38.
a collection of similar cells
a)
organ
b)
invertebrate
c)
pheromone
d)
tissue
39.
an internal control of an animal's natural cycles
a)
social behavior
b)
pheromone
c)
biological clock
d)
organ
40.
an interaction among animals of the same species
a)
pheromone
b)
invertebrate
c)
social behavior
d)
tissue
41.
a group of tissues that carry out a special function of the body.
a)
tissue
b)
pheromone
c)
organ
d)
invertebrate
42.
an animal without a backbone
a)
vertebrate
b)
orgran
c)
invertebrate
d)
exoskeleton
43.
a substance used for chemical communication
a)
pheromone
b)
organ
c)
tissue
d)
sense
44.
an animal with a backbone
a)
endoskeleton
b)
vertebrate
c)
invertebrate
d)
budding
45.
an organism at an early stage of development
a)
consumer
b)
courtship
c)
budding
d)
embryo
46.
an organism that eats other organisms
a)
consumer
b)
budding
c)
territory
d)
embryo
47.
an area occupied by animals that do not allow other members of the species to enter
a)
courtship
b)
territory
c)
budding
d)
consumer
48.
a special behavior an animal uses to find a mate
a)
consumer
b)
budding
c)
courtship
d)
territory
49.
a type of asexual reproduction where part of an organism breaks off and develops as a new organism
a)
courtship
b)
embryo
c)
budding
d)
consumer
50.
A plant that grows toward the light is showing
a)
a negative tropism.
b)
gravitropism.
c)
seasonal change.
d)
a positive tropism.
51.
Root tips of most plants grow toward the center of the Earth. This action is a
a)
positive phototropism.
b)
negative gravitropism.
c)
positive gravitropism.
d)
negative phototropism.
52.
Leaves turn orange and yellow in fall because
a)
they have more orange and yellow pigment in the fall.
b)
longer days cause the color change.
c)
orange and yellow are easier to see in the cool weather.
d)
their green chlorophyll breaks down.
53.
The energy that starts the process of photosynthesis comes from
a)
grana.
b)
the breakdown of sugar in the plants.
c)
sunlight.
d)
chlorophyll that is taken from the soil.
54.
A plant seed develops from
a)
an ovary.
b)
an anther.
c)
pollen.
d)
an ovule.
55.
Stomata are important because they
a)
feed the plant.
b)
play a role in gas exchange.
c)
break down chlorophyll
d)
begin photosynthesis.
56.
Deciduous trees shed their leaves
a)
during the wet season.
b)
at different times during the year.
c)
when the weather is warm.
d)
to survive long periods without rain.
57.
Plants that bloom when nights are long are called
a)
long-day plants.
b)
deciduous plants.
c)
short-day plants.
d)
evergreen plants.
58.
Which of the following lists the three structures plants used to reproduce asexually?
a)
germination, pollination, and fertilization
b)
plantlets, tubers, and runners
c)
seeds, sprouts, and leaves
d)
chlorophyll, photosynthesis, and transpiration
59.
The seeds of some plants are protected by
a)
fruits.
b)
leaves.
c)
stems.
d)
flowers.
60.
the process in which plants use sunlight, water, and carbon dioxide to make food
a)
photosynthesis
b)
tropism
c)
transpiration
d)
cholorphyll
61.
plant growth in response to light
a)
chlorophyll
b)
dormant
c)
tropism
d)
transpiration
62.
green pigment in plants that captures light energy
a)
transpiration
b)
cellular respiration
c)
chlorophyll
d)
tropism
63.
the inactive state of a seed or plant part
a)
tropism
b)
stoma
c)
dormant
d)
glucose
64.
the opening in a leaf that allows gases to pass into and out of the leaf
a)
transpiration
b)
tropism
c)
stoma
d)
photosynthesis
65.
the sugar produced during photosynthesis
a)
transpiration
b)
glucose
c)
cellular respiration
d)
stoma
66.
the process by which plants lose water vapor
a)
transpiration
b)
photosynthesis
c)
cellular respiration
d)
chlorophyll
67.
the process by which plants cells release energy from food
a)
cellular respiration
b)
glucose
c)
transpiration
d)
photosynthesis
68.
What plants get water and nutients from rhizoids?
a)
confers
b)
mosses
c)
buttercups
d)
angiosperms
69.
What plant cell part captures energy from the sun to make food?
a)
cell walls
b)
cell membranes
c)
vacuoles
d)
chloroplasts
70.
What do the sperm of seedless plants need to reach the eggs?
a)
wind
b)
pollen
c)
water
d)
birds
71.
What does xylem do?
a)
carries food
b)
dissolves minerals and food
c)
carries water and minerals
d)
grows longer roots
72.
What is the male part of a flower called?
a)
stamen
b)
pistil
c)
filament
d)
anther
73.
What is the female part of a flower called?
a)
pistil
b)
filament
c)
anther
d)
stamen
74.
What part of the flower contains the ovules?
a)
ovary
b)
pistil
c)
stamen
d)
filament
75.
Plants and ___________might share a common ancestor.
a)
rhizome
b)
angiosperm
c)
green algae
d)
monocot
76.
An underground stem from which new leaves and roots grow is a(n) ________________.
a)
rhizome
b)
angiosperm
c)
green algae
d)
monocot
77.
A vascular plan that has flowers and fruit is called a(n)_______________.
a)
rhizome
b)
angiosperm
c)
green algae
d)
monocot
78.
A plant seed with one seed leaf is a(n) ________________.
a)
monocot
b)
stamen
c)
fibrous root
d)
angiosperm
79.
The filament and anther are parts of the ________________.
a)
fibrous root
b)
stamen
c)
monocot
d)
angiosperm
80.
A root system with many roots of a similar size is called a(n) ___________________ system.
a)
rhizome
b)
fibrous root
c)
stamen
d)
monocot
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