WorksheetsBio1, Ch1 Life & NOS practice
Total questions: 25
Worksheet time: 20mins
Name
Class
Date
1.
Justin blows his nose, but mucus seems to leak through the tissue. He decides to test which tissue holds up the best while sneezing. What is the independent variable?
a)
sneezing
b)
Justin
c)
amount of tissue
d)
type of tissue
2.
Mr. McNeice wanted to know if different types of music affected people's heart rates, so he played different music and checked their pulses. What is the dependent variable?
a)
type of music
b)
heart rate
c)
how long they listend to music
d)
Mr. McNeice
3.
Which question can best be investigated by a scientist?
a)
Should I buy a red shirt or a green shirt?
b)
Does chocolate milk or plain milk taste better?
c)
Does a plant need sunlight to grow?
d)
Which feels softer, cat fur or dog fur?
4.
Why should an experiment be repeated?
a)
to form a hypothesis
b)
to reduce the chance of error
c)
to change controls
d)
to identify the problem
5.
This is the outcome of the experiment. We get data and results from this.
a)
Independent Variable
b)
Dependent Variable
c)
Control
d)
Constant
6.
How many independent variables should be tested at a time in a scientific investigation?
a)
none
b)
one
c)
two
d)
three
7.
Which is the dependent variable in Amelia's experiment?
a)
the number of bean plants in each group
b)
the amount of water given daily to each plant
c)
the height of each bean plant
d)
the amount of fertilizer given to each group of bean plants
8.
When experimenting with the growth of a plant, a scientist uses three plants, two different fertilizers, equal light, and equal water. What type of variable is the water?
a)
Dependent
b)
Independent
c)
Control
d)
Outcome
9.
I am conducting an experiment to determine if the amount of fertilizer used on a field effect the number of earthworms found there? What is a control variable for this experiment?
a)
number of earthworms
b)
soil type
c)
amount of fertilizer
10.
I want to see how the amount of water affects plant growth. What is the independent variable?
a)
amount of water
b)
plant growth
c)
type of plant
d)
soil type
11.
A testable idea or explanation that leads to a scientific investigation is called (can be stated as an if/ then statement)
a)
conclusion
b)
experiment
c)
hypothesis
12.
I see that Mrs. McDermott is holding a coffee cup, I assume that there is coffee in the coffee cup. By making the assumption that there is coffee in the mug, I have made a(n)
a)
observation
b)
inference
c)
classification
d)
experiment
13.
A _________ is an idea or object that helps people better understand it.
a)
hypothesis
b)
model
c)
method
d)
theory
14.
Something that is always true and is expected to happen every time is called a _____
a)
conclusion
b)
hypothesis
c)
scientific theory
d)
scientific law
15.
I want to see if tide cleans better than plain water. I get 50 pairs of equally dirty jeans. I wash 25 of them in tide (Group A) and 25 of them in plain water (Group B). What is the control group?
a)
The tide
b)
Group B
c)
Group A
d)
The water
16.
In which year did exactly 60 students have scholarships?
a)
2010
b)
2011
c)
2012
d)
2013
17.
In August, how many metric tons did Clark's Paper Mill and Tyler Paper Mill produce all together?
a)
10
b)
70
c)
80
d)
90
18.
What is the most basic unit of life?
a)
cell
b)
tissue
c)
organ
d)
organ system
19.
When a baby kitten becomes an adult cat, this is an example of...
a)
energy metabolism
b)
growth and development
c)
response to stimuli
d)
having cells
20.
The combination of chemical reactions through
which an organism builds up or breaks down
materials as it carries out its life processes is called ...
a)
absorption
b)
metabolism
c)
digestion
d)
consumption
21.
Maintaining a stable internal
environment is called
a)
homeostasis
b)
equilibrium
c)
balance
d)
evenness
22.
Identify the characteristic: Green plants produce their own food through the process of photosynthesis.
a)
All living things use energy
b)
All living things contain cells
c)
All living things maintain homeostasis
d)
All living things grow
23.
Which of the following is NOT a characteristic shared by all living organisms?
a)
Ability to move
b)
Ability to grow and develop
c)
Made up of one or more cells
d)
Responds to stimuli
24.
In order for something to be considered a living organism, it must display _____ of the eight characteristics of living things.
a)
all
b)
some
c)
one
d)
more than half
25.
Living things are based on a universal genetic
code. What molecule is responsible for that code?
a)
RNA
b)
Lipid
c)
Protein
d)
DNA
100 %
