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WorksheetsBiology Unit Test
Total questions: 78
Worksheet time: 59mins
Name
Class
Date
1.
An organism that makes its own food
a)
Producer
b)
Consumer
c)
Predator
d)
Prey
2.
An organism that eats other organisms
a)
Producer
b)
Consumer
c)
Prey
d)
Autotroph
3.
Organisms that break down dead/decaying organisms
a)
Producer
b)
Consumer
c)
Decomposer
d)
Autotroph
4.
A carnivore that feeds on the bodies of dead organisms (vulture is an example)
a)
Prey
b)
Producer
c)
Scavenger
d)
Decomposer
5.
A consumer that eats only plants
a)
Producer
b)
Herbivore
c)
Carnivore
d)
Omnivore
6.
A consumer that eats only meat
a)
Producer
b)
Herbivore
c)
Carnivore
d)
Omnivore
7.
A consumer that eats both plants and animals
a)
Producer
b)
Carnivore
c)
Herbivore
d)
Omnivore
8.
Any living part of an ecosystem
a)
Abiotic Factor
b)
Biotic Factor
c)
Food chain
d)
Food web
9.
The nonliving parts of an ecosystem
a)
Biotic factors
b)
Abiotic factors
c)
Food chain
d)
Food web
10.
a relationship in which one organism benefits while the other is neither helped nor harmed. (a remora swimming on a shark is an example)
a)
Commensalism
b)
Mutualism
c)
Parasitism
d)
Predator-prey
11.
a relationship in which one organism benefits and the other organism is harmed, but not always killed. (mosquito on a human is an example)
a)
Commensalism
b)
Mutualism
c)
Parasitism
d)
Predator-prey
12.
a relationship in which both species benefit.
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Predator-prey
13.
When 2 or more individuals or populations try to use the same resource such as food, water, shelter or sunlight.
a)
Coexistence
b)
Competition
c)
Cooperation
d)
Carrying Capacity
14.
The efficiency of energy transfer from a lower trophic level to the next highest level is roughly
a)
1%
b)
10%
c)
100%
d)
1000%
15.
Which animal is the apex predator?
a)
hawk
b)
lizard
c)
snake
d)
grass
16.
In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?
a)
80%
b)
90%
c)
10%
d)
20%
17.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms.
d)
They represent how water is transferred within a habitat.
18.
An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.
a)
producer
b)
consumer
c)
decomposer
d)
autotroph
19.
Is a deer an abiotic or biotic factor?
a)
abiotic
b)
biotic
20.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms.
d)
How carnivores get their food.
21.
A place where an organism lives.
a)
Terrain
b)
Habitat
c)
Community
d)
Population
22.
When a population grows past the ecosystem's carrying capacity, what happens to the population?
a)
Continues to grow
b)
The population starts to die off to return to carrying capcity
c)
The population will go extinct due to lack of resources
d)
The population grows then finds a new carrying capacity
23.
If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?
a)
The bird population would stay the same
b)
The bird population would infinitely increase
c)
The bird population would decrease
24.
In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?
a)
Squirrel Population
b)
Sunlight
c)
Grass available
25.
Limiting factors are sometimes helpful because they can keep the population from getting to large.
a)
True
b)
False
26.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
27.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
28.
The role or function or job of a species in a community.
a)
habitat
b)
diet
c)
niche
d)
ecosystem
29.
Two organisms that are so similar they can interbreed in nature and produce fertile offspring
a)
biotic factor
b)
herbivore
c)
ecosystem
d)
species
30.
Which of the following best describes a community?
a)
sharks, groupers, anemones and shrimp on a coral reef
b)
decorator crabs on the seafloor
c)
loggerhead sea turtles in Atlantic
d)
prairie grassland in Wyoming
31.
What does every food chain start with? (Even if it's not drawn or written there!)
a)
producers
b)
sun
c)
consumer
d)
decomposers
32.
relationship in which two species live closely together
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
33.
In this Food Web Pyramid Which type of consumer gets only 10% of the energy stored in plants?
a)
Herbivore
b)
Carnivore
c)
Omnivore
d)
Secondary Consumer
34.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
35.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
36.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
37.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
38.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
39.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
40.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
41.
What is the water cycle?
a)
the 3 forms of water
b)
the movement of water on, above, or below the surface of the Earth
c)
when water melts
d)
when clouds form
42.
What is the energy source for the water cycle?
a)
the sun
b)
the earth
c)
water
d)
the moon
43.
What is condensation?
a)
The part of the water cycle when the sun heats up water, turning it from a liquid into water vapor or steam. It rises from the ground into the air.
b)
The part of the water cycle when the water vapor in the air gets cold. The water turns back into a liquid and forms clouds.
c)
The part of the water cycle when clouds get heavy and can no longer hold the liquid water. This causes the water to fall from the sky to the earth as rain, snow, sleet, or hail.
44.
What part of a plant produces seeds?
a)
leaf
b)
flower
c)
root
d)
stem
45.
What is the male part of the flower?
a)
Petals
b)
Stamen
c)
Pistil
d)
Sepals
46.
What is the female part of the flower?
a)
Petals
b)
Stamen
c)
Pistil
d)
Sepals
47.
What is the part of the flower that is brightly colored to attract pollinators?
a)
Petals
b)
Stamen
c)
Pistil
d)
Sepals
48.
What part of the male part of the flower makes pollen?
a)
Ovary
b)
Anther
c)
Filament
d)
Stigma
49.
What part of the female part of the flower is the place that holds the eggs?
a)
Ovary
b)
Style
c)
Filament
d)
Stigma
50.
What part of the flower turns into the fruit?
a)
Seeds
b)
Ovary
c)
Stamen
d)
Sepals
51.
What is the function of the cuticle on a leaf?
a)
to keep water from entering the leaf
b)
to keep water from leaving the leaf
c)
to keep bacteria out of the leaf
d)
to keep oxygen in the leaf
52.
What are the openings on the underside of leaves that let carbon dioxide into the leaf and let oxygen out?
a)
Chloroplasts
b)
Stomata
c)
Stomach
d)
Cuticle
53.
In which type of growth response does the plant grow toward a light source?
a)
Phototropism
b)
Heliotropism
c)
Geotropism
d)
Hydrotropism
54.
In which type of growth response does the plant grow in response to gravity?
a)
Hydrotropism
b)
Phototropism
c)
Geotropism
d)
Thigmotropism
55.
In which type of growth response does the plant's roots grow toward a water source?
a)
Hydrotropism
b)
Phototropism
c)
Heliotropism
d)
Thigmotropism
56.
Which biome is characterized by low temperatures and low amounts of rainfall?
a)
tundra
b)
desert
c)
temperate deciduous forest
d)
tropical rain forest
57.
Which biome covers most of the land mass near the Earth's equator?
a)
tundra
b)
desert
c)
grassland
d)
tropical rainforest
58.
Which biome, because of its climate, has the largest number of species of plants and animals?
a)
tundra
b)
desert
c)
tropical rainforest
d)
pine forest
59.
One characteristic feature of tundra is that only the surface thaws in the summer and refreezes in the winter, leaving a layer of permanently frozen subsoil. This characteristic is known as
a)
glaciation
b)
permafrost
c)
crystallization
d)
soilfrost
60.
Which type of trees is found in a temperate forest?
a)
deciduous
b)
evergreen
c)
ginko
d)
palm
61.
Which major biome is home to cacti, mesquite, white thorn, pack rats, small reptiles, and coyotes?
a)
desert
b)
taiga
c)
tundra
d)
grassland
62.
Which biome contains large populations of grazing herbivores, few species of birds, and deep, rich soil?
a)
taiga
b)
tundra
c)
deciduous forest
d)
grassland
63.
This biome contains mostly spruce trees and Douglas firs, which are both evergreen. The winters are long and cold and the summers are short and rainy. The soil is very rich. Moose and elk live here. This biome is classified as a
a)
taiga
b)
tundra
c)
deciduous forest
d)
temperate forest
64.
The biome known for trees with broad leaves that fall off the trees in the winter.
a)
Coniferous Forests
b)
Deciduous Forests
c)
Deserts
d)
Tropical Rain Forests
65.
The greatest biodiversity on earth is found in the __________ biome.
a)
taiga
b)
grassland
c)
temperate deciduous forest
d)
tropical rainforest
66.
Which biome is MOST LIKE the "desert" in terms of precipitation?
a)
tropical rainforest
b)
temperate deciduous forest
c)
tundra
d)
coniferous forest
67.
Which biome is represented by the rainfall amounts in letter C?
a)
desert
b)
prairie
c)
deciduous forest
d)
tropical rain forest
68.
Areas defined by their geographical location and ecological similarity are called?
a)
ecozones
b)
biotopes
c)
biomes
d)
biodomes
69.
What is the main factor that separates the biomes?
a)
Land
b)
Water
c)
Climate
d)
Longitude
70.
Which biome do we live in?
a)
Grasslands
b)
Taiga
c)
Rainforest
d)
Temperate Forest
71.
Which biome produces over 50% of the world's oxygen?
a)
Rainforest
b)
Temperate Forest
c)
Grasslands
d)
Taiga
72.
In which biome does an organism have to be able to conserve water to survive?
a)
Rainforest
b)
Taiga
c)
Desert
d)
Temperate Forest
73.
Biomes with densely packed trees sometimes form a continuous green "roof" layer called a:
a)
canopy
b)
ceiling
c)
green layer
d)
forest top
74.
The area of the map shaded in green represents which of the following terrestrial biome
a)
Coniferous Forrest
b)
Deciduous Forrest
c)
Desert
d)
Tundra
75.
Which of the following BEST MATCHES the meaning of the word TEMPERATE.
a)
temperatures within moderate limits
b)
an area with trees and bushes
c)
a forest with plants growing together
d)
an area with all the same temperature
76.
Coniferous (Boreal) forests are made up primarily of trees that _______________.
a)
change color in the fall
b)
bear cones
c)
shed their leaves
d)
have thin bark
77.
The term "terrestrial" means
a)
land.
b)
water.
78.
The term "terrestrial" means
a)
land.
b)
water.
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