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Worksheets8th Grade Mid Term Questions
Total questions: 39
Worksheet time: 32mins
Name
Class
Date
1.
These are sac-like parts used to store food and water in the cell.
a)
ribosome
b)
vacuole
c)
chloroplast
d)
nucleus
2.
This is known as the control center of the cell.
a)
ribosome
b)
cell membrane
c)
cell wall
d)
nucleus
3.
This is the "power house of the cell", where animal and plant cells form energy.
a)
mitochondria
b)
ribosome
c)
chromosomes
d)
centriole
4.
Where is food made in a plant cell?
a)
ribosome
b)
vacuole
c)
cell membrane
d)
chloroplast
5.
What cell part is responsible for making protein in the cell?
a)
ribosomes
b)
lysosomes
c)
cell membrane
d)
ER
6.
All living organisms are made up of ____.
a)
Cells
b)
Bacteria
c)
Organs
d)
Tissue
7.
Which of the following is NOT a cell theory.
a)
All non-living things are made of cells
b)
All cells come from pre-existing cells
c)
Cells are the basic unit of structure and function of all living things
8.
Which system is the heart in?
a)
Circulatory
b)
Digestive
c)
Muscular
9.
Which system are the lungs in?
a)
respiratory
b)
digestive
c)
excretory
10.
The main purpose of the ____________ system is to break food particles into pieces that can be used.
a)
circulatory
b)
respiratory
c)
digestive
d)
skeletal
11.
What is responsible for delivering oxygen and removing carbon dioxide from the body?
a)
cell nucleus
b)
excretory system
c)
nervous tissue
d)
respiratory system
12.
The __________ system directs the body to inner and outer changes.
a)
digestive
b)
circulatory
c)
nervous
d)
skeletal
13.
This system includes the spinal cord, brain and nerves
a)
Nervous System
b)
Digestive System
c)
Circulatory System
14.
The nervous system is made up of these three parts:
a)
Brain, heart, and spinal cord
b)
Brain, spinal cord, and nerves
c)
Nerves, arteries, and veins
d)
Nerves, liver, and heart
15.
Which part of the brain helps keep your balance so you don't fall flat on your face?
a)
Cerebellum
b)
Medulla oblongata
c)
Pituitary gland
d)
Spinal cord
16.
Which part of your brain keeps you breathing?
a)
Breathe-o-meter
b)
Brain stem
c)
Pituitary gland
d)
Cerebellum
17.
The part of the brain that controls conscious thoughts, senses, language and memories.
a)
Cerebellum
b)
Cerebrum
c)
Dendrites
d)
Brain Stem
18.
A __________ includes all living and non-living things in an environment.
a)
population
b)
niche
c)
abitotic
d)
ecosystem
19.
Which organism make their own food through the process of photosynthesis?
a)
decomposer
b)
consumer
c)
herbivore
d)
producer
20.
Field mice eat corn. Which would most likely happen if the field mouse population grew?
a)
There would be more corn to feed the field mice.
b)
There would be less corn due to the mice eating it.
c)
The habitat would get overpopulated because the mice woudl eat too much.
21.
What are interconnected food chains called?
a)
consumers
b)
predators
c)
food web
22.
What would most likely happen if an ecosystem no longer received sunlight?
a)
The number of herbivores would increase
b)
The number of plants would increase
c)
all organisms would adapt
d)
All living organisms would eventually die
23.
A lion, captures and eats other animals. What is he considered?
a)
prey
b)
predator
c)
producer
d)
healthy
24.
Organisms that make up the living part of an ecosystem.
a)
abiotic
b)
biotic factors
c)
ecology
d)
ecosystems
25.
A group of the same type of organisms living in the same place at the same time.
a)
threatened species
b)
populations
c)
community
d)
limiting factor
26.
All of the populations that live in one area together
a)
limiting factors
b)
populations
c)
community
d)
speed limit
27.
A species that is in danger of becoming extinct.
a)
Threatened species
b)
out of luck
c)
do do birds
d)
endangered species
28.
A species that needs to be protected but is not in danger of becoming extinct.
a)
endangered species
b)
threatened species
c)
sub species
d)
special species
29.
Something that limits the size of a population.
a)
maxfactor
b)
factor tree
c)
the x factor
d)
limiting factor
30.
A feeding relationship where one organism hunts and one is hunted.
a)
Commensalism
b)
Decomposistion
c)
Mutualism
d)
Predator-Prey
31.
Barnacles sometimes live on the outside surface of other larger shelled organisms without causing any harm. What is the ecological relationship?
a)
Mutualism
b)
Parasitism
c)
Commensalism
d)
Predator-Prey
32.
Cows and pronghorn both eat the same types of food in areas of Utah. What is the ecological relationship?
a)
Cooperation
b)
Parasitism
c)
Commensalism
d)
Competition
33.
Ants protect soft bodied aphids and in return the aphids feed the ants a sugary drink. What is the ecological relationship?
a)
Cooperation
b)
Parasitism
c)
Commensalism
d)
Mutualism
34.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
35.
A relationship between two organisms in which both organisms benefit.
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
36.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a. Organism, cell, tissue, organ, organ system
b)
a. Organ system, organ, tissue, cell, organism
c)
a. Cell, tissue, organ, organ system, organism
d)
a. Cell, organ, tissue, organ, organism, organ system
37.
The largest number of organisms that the environment can support.
a)
Carrying Capacity
b)
Limiting Factor
38.
Which is NOT an example of a limiting factor.
a)
Climate
b)
Available Food & Water
c)
Available Space & Shelter
d)
Species color
39.
What happens when an environment reaches its carrying capacity?
a)
Populations will decrease
b)
Resources such as food, water, and space will be unlimited
c)
Populations will increase
d)
Nothing, everything will stay the same.
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