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WorksheetsBiology Unit 3 Practice Test 2018 Photosyn and Cell Respira
Total questions: 56
Worksheet time: 39mins
Name
Class
Date
1.
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
2.
What process occurs when light energy is captured in autotrophs and converted into sugar?
a)
Photosynthesis
b)
Cellular Respiration
3.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
4.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
5.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
6.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
7.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
8.
Chloroplasts are...
a)
Structures of animal cells to produce ATP
b)
Organelles where lipids are elaborated
c)
Specialized structures of plants where food is made
d)
Waste organelle of plants
9.
What is produced as a result of photosynthesis?
a)
Glucose and Chlorophyll
b)
Glucose and Oxygen
c)
Water and Light energy
d)
Carbon dioxide and Water
10.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
does not absorb green light.
d)
does not absorb violet light.
11.
Which of the following best describes photosynthesis?
a)
Photosynthesis converts radiant energy into chemical energy.
b)
Photosynthesis produces carbohydrates.
c)
Plants need sunlight, carbon dioxide, water, nutrients, and chlorophyll to complete photosynthesis.
d)
Plants use chlorophyll, water, and carbon dioxide to make sugar.
12.
What are the reactants (what's needed) for photosynthesis?
a)
glucose and oxygen
b)
light, water, and carbon dioxide
13.
What is the purpose of photosynthesis?
a)
make glucose
b)
make ATP
c)
make light
d)
release carbon dioxide
14.
What are the products (what's made) during photosynthesis?
a)
glucose and oxygen
b)
water, light, and carbon dioxide
15.
What is the gas we breath out that plants use for photosynthesis?
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
16.
How can photosynthesis be related to cellular respiration?
a)
What's produced (made) by one is needed (the reactants) for the other
b)
They both produce the same products
c)
They both have the same reactants (need the same things)
d)
These 2 processes have nothing in common
17.
This is referred to as the energy currency of the cell
a)
ADP
b)
ATP
c)
Mitochondria
d)
Nucleus
18.
Cellular respiration takes place in the
a)
nucleus
b)
cytoplasm
c)
ribosomes
d)
mitochondria
19.
All living things do which of the following?
a)
Chemosynthesis
b)
Respiration
c)
photosynthesis
d)
all of the answers
20.
Which of the following structure is where cellular respiration occurs in the cell?
a)
nucleus
b)
cytoplasm
c)
mitochondria
d)
vacuoles
21.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
22.
What is cellular respiration?
a)
the breakdown of glucose to release ATP
b)
the breakdown of glucose to release NADH
c)
the breakdown of glucose to release FADH
d)
the breakdown of glucose to release carbon
23.
What are the products of photosynthesis?
a)
Carbon dioxide and water
b)
Carbon dioxide and oxygen
c)
Glucose and oxygen
d)
Glucose and water
24.
According to this absorption spectrum, what color is not used by the chlorophyll pigments?
a)
green
b)
blue
c)
yellow
d)
red
25.
In the snail and elodea experiment, which organisms were putting carbon dioxide into the water?
a)
snails
b)
elodea
c)
snails and elodea
d)
neither
26.
In the snail and elodea experiment, which organisms were taking carbon dioxide out of the water?
a)
snails
b)
elodea
c)
snails and elodea
d)
neither
27.
What was the control group in the snail and elodea experiment?
a)
water only
b)
snails only
c)
elodea only
d)
snails and elodea
28.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
29.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
30.
What are the reactants of photosynthesis?
a)
carbon dioxide and oxygen
b)
water and oxygen
c)
carbon dioxide and water
d)
water and glucose
31.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
32.
Chlorophyll absorbs a higher percentage of _____ and _______ light.
a)
purple and green
b)
red and blue
c)
black and orange
d)
yellow and green
33.
What are the reactants of respiration?
a)
glucose and water
b)
oxygen and glucose
c)
water and carbon dioxide
d)
carbon dioxide and oxygen
34.
Which gas bubbles are being collected?
a)
carbon dioxide
b)
water vapor
c)
nitrogen
d)
oxygen
35.
In the snail and elodea experiment, which organisms were taking carbon dioxide out of the water?
a)
snails
b)
elodea
c)
snails and elodea
d)
neither
36.
What is a factor that is measured for change in an experiment?
a)
control
b)
constant
c)
independent variable
d)
dependent variable
37.
What is the factor that an experimenter changes on purpose?
a)
Dependent Variable
b)
Independent Variable
c)
Constant
d)
Control
38.
The part of the experiment that does not contain the independent variable. Used for comparison.
a)
Control Group
b)
Experimental Group
c)
Results
d)
Data
39.
What are all the things that are kept the same in an experiment?
a)
controls
b)
data
c)
constants
d)
independent variables
40.
What is the effect of salt water on the average of the height of the 3 tallest blades of grass?
What is the independent variable in the above question?
What is the independent variable in the above question?
a)
salt water
b)
height
c)
average
d)
effect
41.
What is the part of the experiment that contains the independent variable?
a)
control group
b)
experimental group
c)
hypothesis
d)
dependent variable
42.
The type of variable that you change or manipulate in an experiment. It is what you are testing.
a)
Independent
b)
Dependent
c)
Control
43.
If I water the plant more often, then it will grow taller. Name the dependent variable.
a)
The amount of water.
b)
The amount of soil.
c)
The height of the plant.
d)
The amount of water.
44.
Students used various temperatures of water to see which one dissolved candy faster.
What was the Independent Variable?
What was the Independent Variable?
a)
Amount of Candy
b)
Amount of Water
c)
Temperature of Water
d)
Time for Candy to Dissolve
45.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
46.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?
a)
Type of plant
b)
Water, apple juice, milk
c)
Plant growth
47.
Maria wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her back yard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is the independent variable?
What is the independent variable?
a)
Red birdfeeders
b)
Placement of birdfeeders
c)
Amount of seed
48.
According to the graph, what colors of light does this pigment absorb
a)
purple/ blue
b)
Green
c)
yellow
d)
Orange
49.
The structures shown in the picture are called...
a)
... stomata.
b)
... spore cases.
c)
... pallisade cells.
d)
... leaf nostrils.
50.
What is the function of stomata?
a)
Absorbing sunlight
b)
Protecting inner tissue layers
c)
Allowing gases to enter and exit
d)
Transporting materials
51.
What is the relationship between light intensity and the rate of photosynthesis?
a)
As intensity increases the rate of photosynthesis increases
b)
As the intensity decreases the rate of photosynthesis increases
52.
In the fall the leaves of most plants change color from green to yellow or orange, why?
a)
The chlorophyll that makes them green breaks down
b)
They start making carotenoids
c)
They start doing photosynthesis
d)
The pigments mutate into new colors
53.
Why do most plants have many different pigments?
a)
To absorb more wavelengths of light
b)
To reflect many colors
c)
To attract a mate
d)
To attract herbivores
54.
The structure that allows gases to enter and exit plant leaves
a)
Thylakoid
b)
Stomata
c)
Roots
d)
Stems
55.
Which of the following is NOT true
a)
Stomata are mostly on the underside of leaves
b)
Stomata open to let CO2 out and O2 in
c)
Stomata open mostly at night
d)
The number of stomata varies by plant type
56.
Stomata in plants allow: select all correct answers
a)
carbon dioxide to enter
b)
oxygen to exit
c)
are found on the underside of a leaf
d)
help in gas exchange
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