WorksheetsLife Science Review and Extension
Total questions: 46
Worksheet time: 2hrs 44mins
Name
Class
Date
1.
Which of the following is an example of learned behavior?
a)
bird migrating in winter
b)
talons on an eagle
c)
seal balancing a ball on his nose
d)
fins on a shark
2.
The shape of a duck's beak is an example of a/an -
a)
inherited behavior
b)
learned behavior
c)
good behavior
d)
social behavior
3.
Would it be good for your health to kill all of the bacteria in your body?
a)
Yes. Most bacteria in your body are harmful.
Killing all of the bacteria would get rid of these bacteria.
b)
No. Many bacteria in your body are beneficial.
These beneficial bacteria help your body perform physiological functions, such
as digestion.
c)
Yes. Getting rid of all bacteria in the body
would prevent most diseases. This is why doctors use antibiotics.
d)
No. The harmful bacteria in your body are
important for stimulating the immune system.
4.
Which cellular structure is found in plants, but not in animals?
a)
mitochondria
b)
nucleus
c)
chloroplast
d)
endoplasmic reticulum
5.
Organisms with a body covering of feathers are classified as
a)
birds.
b)
fish.
c)
insects.
d)
mammals.
6.
Which structure is found in a plant cell but not in an animal cell?
a)
nucleus
b)
cell membrane
c)
cell wall
d)
chromosomes
7.
Which of these can be caused by a microorganism?
a)
tooth decay
b)
sprained wrist
c)
broken finger
d)
paper cut
8.
Which of these microorganisms is considered harmful?
a)
fungus in antibiotics
b)
bacteria in yogurt
c)
yeast in bread
d)
mold on fruit
9.
Which animals are cold-blooded, live part of their lives in water and part on land, and go through metamorphosis?
a)
reptiles
b)
amphibians
c)
birds
d)
mammals
10.
Which of the following is a benefit of microorganisms?
a)
They do not multiply.
b)
They are used to make medicine.
c)
They feed on living things.
d)
They remove minerals from the soil.
11.
Is this animal an invertebrate or a vertebrate?
a)
Invertebrate
b)
Vertebrate
12.
This organism recycles nutrients back into the soil when it breaks down dead stuff
a)
producers
b)
consumers
c)
decomposers
13.
What are vertebrates?
a)
Animals with a backbone
b)
Animals without a backbone
14.
Acts like a gatekeeper- allowing some materials to pass through it, but not others.
a)
cytoplasm
b)
cell membrane
c)
mitochondria
d)
vacuoles
15.
Which organelle is responsible for releasing the stored energy within the plant and animal cell.
a)
Lysosomes
b)
mitochondria
c)
chloroplasts
d)
vacuoles
16.
Where the genetic material is found in the cell
a)
nucleolus
b)
cytoplasm
c)
nucleus
d)
chloroplast
17.
A gel-like fluid it takes up most of the space inside the cell.
a)
cytoplasm
b)
cell membrane
c)
vacuoles
d)
golgi body
18.
food making structure of plant cells
a)
chloroplasts
b)
cell wall
c)
cytoplasm
d)
vacuole
19.
made up of chromosomes and determines the genetic traits.
a)
cytoplasm
b)
mitochondria
c)
organelles
d)
DNA
20.
Provides extra support for the plant cell and gives in shape
a)
chlorophyll
b)
chloroplast
c)
cell wall
d)
vacuole
21.
A storage structure- in an animal cell there are many small ones, but in a plant cell there is just one large one.
a)
vacuole
b)
ribosomes
c)
golgi body
d)
chloroplast
22.
Identify this structure.
a)
cell wall
b)
cell membrane
c)
sap vacuole
d)
cytoplasm
23.
what organelle controls the cell.
a)
Lysosome
b)
Nucleus
c)
Nucleolus
d)
Chromosomes
24.
An organism made up of one cell
a)
Multicelluar
b)
Eukaryotic
c)
Unicellular
d)
Prokaryotic
25.
Which animal below is a mammal?
a)
turtle
b)
snake
c)
pelican
d)
bear
26.
I am covered in dry scales and I lay eggs. What am I?
a)
Mammal
b)
Fish
c)
Amphibian
d)
Reptile
27.
My body is cold, am covered in scales, use gills to breathe under water, and I lay eggs. What am I?
a)
Fish
b)
Mammal
c)
Reptile
d)
Amphibian
28.
What is an invertebrate?
a)
An animal with a backbone
b)
a mammal
c)
An animal without a backbone
d)
birds
29.
The only group of animals that begin their lives breathing through gills in the water and as adults can live on land breathing with lungs
a)
amphibians
b)
arthropods
c)
mammals
d)
fish
30.
Is the picture a vertebrate or invertebrate?
a)
Vertebrate
b)
Invertebrate
31.
This is a born behavior.
a)
instinct
b)
basketball
c)
feathers
d)
toes
32.
How can scientists determine if he is viewing a plant or animal cell?
a)
determine if the cell has a nucleus
b)
determine if the cell has a cell wall
c)
determine if the cell has mitochondria
d)
determine if the cell has a cell membrane
33.
Which pairing correctly relates a part of a plant cell to a part of a house?
a)
cell wall :fence
b)
nucleus: window
c)
chloroplast: closet
d)
mitochondria: pipe
34.
Which part of the cell is often called "the brain of the cell"?
a)
nuclear membrane
b)
endoplasmic reticulum
c)
nucleus
d)
ribosomes
35.
Which instrument would you use to study microorganisms?
a)
thermometer
b)
microscope
c)
telescope
d)
kaleidoscope
36.
A scientist uses a microscope to compare tiny multi-celled and single-celled organisms.
Which statement about multi-celled and single-celled organisms is true?
Which statement about multi-celled and single-celled organisms is true?
a)
Multi-celled organisms can reproduce, but single-celled organisms cannot.
b)
Multi-celled organisms have cell membranes, but single-celled organisms do not.
c)
Multi-celled organisms can move within their environment, but single-celled organisms cannot.
d)
Multi-celled organisms have different cells for different jobs, but single-celled organisms do not.
37.
Which of the following help bread rise?
a)
algae
b)
bacteria
c)
yeast
d)
fungi
38.
In what conditions do most bacteria grow best?
a)
warm and moist
b)
cool and dry
c)
warm and dry
d)
cool and moist
39.
Harmful microorganisms can be controlled by
a)
washing hands with water
b)
washing hands with soap and water
c)
sharing food with your friends
d)
leaving food out of the refrigerator for long periods of time
40.
For a microorganism to be considered beneficial, it could
a)
cause illness in humans
b)
be used in medicines
c)
damage the skin
d)
cause food to spoil
41.
Plants are classified by whether they are :
a)
vertebrates/ invertebrates
b)
uni-cellular/multi-cellular
uni-cellular/multi-cellular
c)
vascular/non-vascular
d)
warm-blooded/cold-blooded
42.
What does the word classify mean?
a)
To name an object
b)
To study a nonliving organism
c)
To group by using a set of rules
d)
To find differences between plants and animals
43.
Vertebrates are sorted into five groups:
a)
Mollusks, annelids, arthropods, echinoderms, insects
b)
Fish, animal, reptile, mammal, bird
c)
Kingdom, phylum, class, order, genus
d)
Animal, plant, protest, bacteria, fungus
44.
_____________ plants do not have true roots but absorb water and nutrients from their surroundings.
a)
vascular
b)
nonvascular
c)
conifer
d)
angiosperm
45.
Non-flowering plants that keep their seeds visible, usually in a cone are called?
a)
vasuclar
b)
non-vascular
c)
gymnosperm
d)
angiosperm
46.
Which of these is a correct definition for a gene?
a)
a single cell organism
b)
something you wear on your legs
c)
non-hereditary traits such as learned behaviors
d)
a hereditary unit consisting of a sequence of DNA
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