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Worksheets7th GRADE LIFE SCIENCE ASSESSMENT TEST
Total questions: 50
Worksheet time: 25mins
Name
Class
Date
1.
A snail which has a shell and a muscular foot is a
a)
poriferan
b)
cnidarian
c)
arthropod
d)
mollusk
2.
A fish with a bony skeleton and gills is a
a)
vertebrate
b)
arthropod
c)
invertebrate
d)
crustacean
3.
An animal with an exoskeleton, 8 legs and 2 body parts is a
a)
vertebrate
b)
arthropod
c)
insect
d)
nematode
4.
The response of inactivity and slowed metabolism that occurs during cold conditions is
a)
hibernation
b)
imprinting
c)
migration
d)
circadian rhythm
5.
In a certain species of moth, a small percentage have successfully adapted protective coloration. If conditions in their environment do not change, the proportion of future generations with this coloration will
a)
decrease
b)
stay the same
become extinct
stay the same
become extinct
stay the same
c)
become extinct
d)
increase
6.
Which of the following is NOT found in animal cells?
a)
cell wall
b)
cell membrane
c)
lysosomes
d)
nucleus
7.
The structures that provide most of the energy for the cell are
a)
chromosomes
b)
vacuoles
c)
chloroplasts
d)
mitochondria
8.
A plant wilts as a result of the process of
a)
transpiration
b)
osmosis
c)
halitosis
d)
division
9.
Plants use ___________ to make glucose.
a)
cell respiration
b)
photosynthesis
c)
pollination
d)
phototropism
10.
What is produced by mitosis?
a)
2 identical cells
b)
2 nuclei
c)
chloroplasts
d)
2 non identical cells
11.
The first link in any food chain is
a)
green plants
b)
insects
c)
fungi
d)
animals
12.
Herbivores, scavengers, and carnivores are all
a)
decomposers
b)
producers
c)
predators
d)
consumers
13.
Certain ants take a sweet liquid called honeydew from tiny insects called aphids. In exchange for the honeydew, the ants protect the aphids from predators. What kind of relationship is this?
a)
mutualism
b)
pasrasitism
c)
pluralism
d)
endoplasmic reticulum
14.
Small fish-->Salmon-->Seal-->Great White Shark
Which population will be FIRST to DECREASE in numbers if all salmon were to die?
Which population will be FIRST to DECREASE in numbers if all salmon were to die?
a)
small fish
b)
seal
c)
great white shark
d)
all would decrease equally
15.
An example of an abiotic factor is
a)
producer
b)
consumer
c)
sunlight
d)
predator
16.
(Use the graphs provided by the teacher to answer.)
Explain why the deer population went down in 1998.
Explain why the deer population went down in 1998.
a)
Decrease in vegetation
b)
Fewer predators
c)
Increase in vegetation
d)
Increase in rainfall
17.
(Use the graphs provided by your teacher to answer.)
In the year 2000, rainfall increased, what would you expect to happen to the deer population and vegetation?
In the year 2000, rainfall increased, what would you expect to happen to the deer population and vegetation?
a)
Deer population and vegetation decreases
b)
Deer population and vegetation increases
c)
Both stay the same
d)
Deer population decreases, vegetation increases
18.
The units of heredity are called
a)
genes
b)
cells
c)
chemistry
d)
traits
19.
Traits in an offspring are controlled by
a)
chloroplast
b)
chromosomes
c)
cytoplasm
d)
vacuole
20.
_____ is a double spiral molecule with a pair of nitrogen bases.
a)
A gene
b)
A protein
c)
An amino acid
d)
DNA
21.
If tall (T) is dominant in pea plants, and short (t) is recessive, a plant with genotype Tt will have a phenotype of
a)
tall
b)
short
c)
hairy
d)
medium
22.
Punnett Squares are used to _____ the outcomes of the crossing of traits.
a)
dominate
b)
predict
c)
assure
d)
number
23.
Which of the following are characteristics of all living organisms?
a)
Reproduce, use sunlight to make food
b)
require energy, memory
c)
reproduce, grow and develop
d)
made of cells, thought
24.
Which of the following are characteristics of all living organisms?
a)
Reproduce, use sunlight to make food
b)
require energy, memory
c)
reproduce, grow and develop
d)
made of cells, thought
25.
The theory that living things come only from other living things is called
a)
adaptation
b)
biogenesis
c)
spontaneous generation
d)
homeostasis
26.
Which of the following is NON-living?
a)
grasshopper
b)
quartz crystal
c)
bacteria
d)
dandelion
27.
The sum total of all life activities occurring in an organism is
a)
osmosis
b)
respiration
c)
homeostasis
d)
metabolism
28.
What is the main source of energy used by most organisms?
a)
oxygen
b)
water
c)
the sun
d)
carbon dioxide
29.
This organism moves by
a)
vacuoles
b)
cilia
c)
flagella
d)
pseudopods
30.
Viruses
a)
are about the same size as bacteria
b)
have nuclei
c)
can reproduce only within a host cell
d)
do not infect plants
31.
Bacteria are important to the planet as
a)
decomposers of dead organic matter
b)
processors of nitrogen
c)
makers of medicine
d)
all of the above
32.
Which of the following about fungi is NOT true?
a)
Fungi are consumers.
b)
Fungi contain chlorophyl
c)
All fungi cells have a nucleus.
d)
Many fungi are decomposers.
33.
Bacteria are different from all other living things in that they
a)
are prokaryotes.
b)
make their own food.
c)
are eukaryotes.
d)
contain chlorophyll
34.
Plants have the following characteristics EXCEPT
a)
multicellular
b)
chlorophyll
c)
prokaryotic
d)
cell walls
35.
Vascular plants do not include
a)
rosebushes
b)
carrots
c)
moss
d)
trees
36.
Non-vascular plants are small because they lack
a)
chlorophyll
b)
transport tubes
c)
spores
d)
flowers
37.
The major function of leaves is to
a)
store food
b)
absorb water and minerals
c)
move water to other parts of the plant
d)
make food
38.
A major difference between plants and animals is that
a)
plants get their energy through respiration
b)
plants do not require air
c)
plants take in carbon dioxide and give off oxygen
d)
animals take in carbon dioxide and give off oxygen
39.
You are asked to observe a single celled organism. What tool would you use?
a)
burner
b)
microscope
c)
scalpel
d)
test tubes
40.
In Life Science we use the metric system (or SI system) of measurement. The 3 base units of this system are
a)
dram, ounce, furlong
b)
fathom, gram, yard
c)
foot, gallon, pound
d)
meter, liter, gram
41.
In case of an accident or injury, no matter how small, you should
a)
tell the teacher immediately and wait for instructions
b)
clean up the mess
c)
apply needed first aid
d)
all of the above
42.
The relationship between light intensity and plant growth can be stated:
a)
As light intensity increases, plant growth increases.
b)
As plant growth increases, light intensity increases to a point, then decreases.
c)
As light intensity increases, plant growth increases to a point, then decreases.
d)
As plant growth increases, light intensity increases.
43.
The most important way to gather data during an activity or experiment is to
a)
ask a question
b)
observe
c)
write results
d)
form a hypothesis
44.
To measure the area of the classroom floor, which tool would probably be the most useful?
a)
graduated cylinder
b)
test tube
c)
meter stick
d)
triple beam balance
45.
Safety equipment in a lab would include
a)
lab apron
b)
eyewash station
c)
protective glasses
d)
all of the above
46.
(Use information the teacher provides.)
Which of the following is her hypothesis?
Which of the following is her hypothesis?
a)
The type of nutrient used will cause differences in the amount of bread mold.
b)
The amount of bread mold is affected by the temperature.
c)
The amount of bread mold is determined by the amount of nutrient used.
d)
The number of containers influence the amount of bread mold.
47.
One control is
a)
temperature of the containers
b)
type of container used
c)
temperature of the bread mold
d)
amount of bread mold
48.
The independent or manipulated variable is
a)
temperature of the containers
b)
type of containers used
c)
temperature of the bread mold
d)
amount of bread mold
49.
The independent or responding variable is
a)
growth of bread mold
b)
amount of nutrients in each container
c)
temperature of the containers
d)
number of containers at each temperature
50.
Which of the following would NOT be a suitable way to measure growth of bread mold in this experiment?
a)
the number of spots of bread mold
b)
the size or thickness of the bread mold spots
c)
the diameter of the bread mold spots
d)
the color of the bread mold spots
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