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Photosynthesis + Cellular Respiration

Total questions: 64

Worksheet time: 3hrs 33mins

Name
Class
Date
1.

1. What is chlorophyll and how does it help plants?

a)

A.Chlorophyll is a pigment that absorbs light energy and makes glucose.

b)

B.Chlorophyll is a protein that changes shape in the presence of sunlight.

c)

C.Chlorophyll is a receptor that binds carbon dioxide when energized by light

d)

D.Chlorophyll is an enzyme that catalyzes the production of glucose when exposed to light.

2.

Which type of organism would MOST likely benefit directly from increased levels of CO2?

a)

mushroom

b)

tree

c)

bird

d)

fish

3.

Which of the following is produced during the process of cellular respiration?

a)

carbon dioxide

b)

sodium chloride

c)

oxygen

d)

sugar

4.

7. How does a human body get energy?

a)

Sunlight on the skin produces energy.

b)

Water provides the majority of energy.

c)

Food and oxygen combine to deliver energy

d)

Sleep provides energy stored at night for the next day.

5.

Which two things are produced when a plant breaks down sugar to release energy?

a)

oxygen and food

b)

carbon dioxide and food

c)

oxygen and carbon dioxide

d)

carbon dioxide and water

6.

If a single-celled organism that uses photosynthesis has its source of light removed, it will

a)

divide repeatedly.

b)

produce less energy.

c)

grow in size.

d)

generate more waste.

7.

Which process is considered to be a part of the carbon cycle?

a)

precipitation

b)

metamorphosis

c)

condensation

d)

photosynthesis

8.

How will clear-cutting of forests affect the level of carbon dioxide in the atmosphere?

a)

It will decrease because of increased respiration.

b)

It will increase because of decreased photosynthesis.

c)

It will decrease because of decreased photosynthesis.

d)

It will remain constant as respiring animals remove the carbon dioxide.

9.

Which statement accurately describes an interaction between plants and animals?

a)

Animals release CO2, required for photosynthesis.

b)

Animals release O2, required for plant survival.

c)

Plants provide humans with atmospheric nitrogen.

d)

Plants provide humans with CO2 for respiration.

10.

6. Which of the following represents the process of photosynthesis?

a)

C6H12O6+6O2→6CO2+6H2O

b)

6CO2+6H2O→C6H12O6+6O2

c)

2H2O→2H2+O2

d)

2H2+O2→2H2O

11.

Beneath the outer layer of tree bark is a layer of live tissue. The cells of this live tissue contain chloroplasts. The bark also contains structures that allow gas exchange with the environment. These characteristics allow the tree bark to perform photosynthesis. Tree bark photosynthesis occurs mostly in early spring and late fall, or in times of drought or disease. What is the MOST likely reason bark photosynthesis is higher during these conditions?

a)

Photosynthesis keeps the bark from freezing.

b)

The bark produces a different type of sugar.

c)

The angle of light is different.

d)

The tree has fewer leaves.

12.

Which of the following BEST describes the flow of energy in a cabbage plant?

a)

Chemical energy is absorbed by mitochondria, stored in sugars, and released in chloroplasts.

b)

Chemical energy is absorbed by chloroplasts, stored in sugars, and released in mitochondria.

c)

Solar energy is absorbed by chloroplasts, converted and stored in sugars, and released in mitochondria.

d)

Solar energy is absorbed by mitochondria, converted and stored in sugars, and released in chloroplasts.

13.

People take in and release gases from the air when they breathe. Which exhaled gas is a waste product of respiration?

a)

helium

b)

oxygen

c)

carbon dioxide

d)

hydrogen

14.

Nitrogen makes up 78% of Earth’s atmosphere. Which statement BEST describes the importance of the nitrogen cycle?

a)

People need nitrogen to breathe.

b)

Nitrogen gas cannot be used directly by most organisms.

c)

Nitrogen needs to combine with oxygen to make water.

d)

Plants need nitrogen for photosynthesis.

15.
The ingredients of photosynthesis are
a)
sugar and water.
b)
sugar and oxygen.
c)
carbon dioxide and water.
d)
carbon dioxide and oxygen.
16.
What are the products of photosynthesis?
a)
Carbon dioxide and water
b)
Carbon dioxide and oxygen
c)
Glucose and oxygen
d)
Glucose and water
17.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
18.
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.
19.
What gas is released by plants during photosynthesis?
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
20.
How can photosynthesis be related to cellular respiration?
a)
What's produced by one is needed 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
21.
Why is photosynthesis important?
a)
creates oxygen for animals to breath
b)
creates energy for heterotrophs to use
c)
creates food for plants to use
d)
all of these are correct
22.
What is another name for glucose?
a)
Chlorophyll
b)
Chloroplasts
c)
Stomata
d)
Sugar
23.
Where does carbon dioxide enter plants?
a)
The leaves
b)
Stem
c)
Roots
24.
Why do plants go through photosynthesis?
a)
To make food for us
b)
To make food for themselves
c)
They're bored and have nothing else to do
25.
Terrestrial plants have stomata on the surface of their leaves. A single stomata is surrounded by two guard cells that change shape in response to environmental factors and open or close the stoma. Which of the following best explains how the structure of the leaf is used in processes that occur in plants? 
a)
Water enters the plant through the surface of the leaf for transpiration
b)
 Gases for photosynthesis are exchanged through the surface of the leaf.
c)
Energy for cellular reproduction is absorbed through the surface of the leaf.
d)
Carbon dioxide enters the plant through the surface of the leaf for cellular reproduction.
26.
If the xylem in a young tree is damaged, which process is first affected?
a)
 performing photosynthesis
b)
 transporting sugar to the roots
c)
 transporting water to the leaves
d)
 absorbing water from the soil
27.
A plant species lives in an area with limited sunlight. Which physiological adaptation would be most useful to the plant?
a)
colorful flowers
b)
 large leaves
c)
 deep roots
d)
 thin cuticle
28.
What is the main function of leaves?
a)
 Leaves provide support for growth and a place to store food.
b)
 Leaves provide a place for photosynthesis to occur.
c)
 Leaves absorb water and minerals and transport nutrients to the stem.
d)
 Leaves create a barrier that prevents water in the plant's tissues from evaporating.
29.
The diagram below shows a cross section of a plant leaf. How does the structure marked X contribute to the survival of the plant?
a)
 It allows the intake of gases necessary for photosynthesis.
b)
 It allows the intake of minerals necessary for plant growth.
c)
It allows the intake of sunlight necessary for ATP production.
d)
 It allows the intake of sugars necessary for plant reproduction.
30.
Which structure in the leaf controls the opening and closing of the stoma?
a)
 cuticle
b)
epidermis
c)
guard cell
d)
spongy mesophyll
31.
What is the main purpose of seeds in plants that have them?
a)
 To protect and distribute the zygote.
b)
 To entice animals to eat the plant.
c)
 To be fertilized by other plants.
d)
To store water for the mother plant.
32.
What main food group do we get most of our energy from?
a)
proteins
b)
carbs
c)
meats
d)
nucleic acids
33.
The purpose of cellular respiration is to produce ?
a)
energy
b)
oxygen
c)
sugar
d)
protein
34.
What is the sugar that carbs are broken down to?
a)
sucrose
b)
maltose
c)
glucose
d)
lactose
35.
What is the energy molecule?
a)
DNA
b)
ATP
c)
RNA
d)
AAA
36.
What is the energy organelle?
a)
nucleus
b)
mitochondria
c)
ribosomes
d)
lysosomes
37.
The two type of fermentation are alcohol and _____________ acid fermentation. 
a)
lactic
b)
sulfuric
c)
hydrochloric
d)
acetic 
38.
To get the most ATP molecules for energy in cellular respiration, you have to have lots of ?
a)
hydrogen
b)
oxygen
c)
carbon dioxide
d)
water
39.
The waste gas given off by cellular respiration is?
a)
oxygen
b)
carbon dioxide
c)
nitrogen
d)
methane
40.
After cellular respiration is complete, on 38% of the energy in glucose is used. What happens to the rest of the energy?
a)
released as heat
b)
stored for later use
c)
eliminated by the digestive system
d)
turned into protein
41.

In which way are photosynthesis and cellular respiration similar?

a)

Both processes destroy energy.

b)

Both create energy.

c)

Photosynthesis breaks down sugar while cellular respiration produces sugar.

d)

Both processes transfer energy from one form to another.

42.

What is the correct equation for cellular respiration?

a)

oxygen + sugar -> carbon dioxide + water + Energy

b)

carbon dioxide + sugar + Energy -> carbon dioxide + water

c)

carbon dioxide + water -> oxygen + sugar + Energy

d)

carbon dioxide + water + Energy -> oxygen + sugar

43.

What's the chemical formula for glucose?

a)

6C6H12O6

b)

C12H6O12

c)

C6H12O6

d)

CHO

44.

What is important about cellular respiration?

a)

It produces energy from the sun.

b)

It forms sugar.

c)

It transforms sugar into a usable form of energy (ATP)

d)

Only plants perform this process.

45.

Which organ excretes (gets rid of) carbon dioxide?

a)

Lungs

b)

Liver

c)

Heart

d)

Kidney

46.
What happens to your breathing rate when you exercise?
a)
It increases
b)
It decreases
c)
It stays the same
47.

One molecule needed for cellular respiration is

a)

carbon dioxide

b)

glucose

c)

water

d)

chlorophyll

48.

One molecule produced by animals during cellular respiration is

a)

carbon dioxide

b)

glucose

c)

oxygen

d)

chlorophyll

49.

Cellular respiration is

a)

a chemical reaction and NOT the same as breathing

b)

the movement of air in and out of the lungs

c)

not a chemical reaction

50.
How are plant cells different from animal cells?
a)
Only plant cells can grow
b)
Only animal cells can reproduce
c)
Only animal cells can store energy
d)
Only plant cells can perform photosynthesis
51.
This process releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.
a)
photosynthesis
b)
light-independent reaction
c)
cellular respiration
d)
light-dependent reaction
52.
Which is not a waste product of cellular respiration?
a)
Water
b)
Heat
c)
Carbon Dioxide
d)
Oxygen
53.
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
54.
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
55.

A decrease in the amount of oxygen available will....

a)

not have an effect on the amount of energy produced during cellular respiration

b)

decrease the amount of glucose produced during cellular respiration

c)

cause the amount of water produced during cellular respiration to increase

d)

decrease the amount of energy produced during cellular respiration

56.

Which statement is true regarding cellular respiration?

a)

The reactants of cellular respiration are identical to the reactants of photosynthesis.

b)

The reactants of cellular respiration are obtained from the products of photosynthesis.

c)

The products of cellular respiration are the same as the products of photosynthesis

d)

Cellular respiration only occurs in autotrophs, photosynthesis occurs only in heterotrophs.

57.

Which of the following is a product of cellular respiration?

a)

Radiant Energy

b)

Oxygen

c)

Glucose

d)

Water

58.
Aerobic means...?
a)
Needing oxygen or air
b)
Not needing oxygen or air
c)
Photosynthesis
d)
Dancing
59.
The two parts of photosynthesis are the Light Reaction Cycle and...
a)
The Calvin Cycle
b)
The Kelvin Cycle
c)
The Royal Cycle
d)
The Monty Cycle
60.
Which type of fermentation occurs in muscles?
a)
Alcoholic 
b)
Lactic acid
61.
What is the name of the process that helps make beer and wine?
a)
Fermentation
b)
Alcoholic fermentation
c)
Lactic acid fermentation
d)
Glycolysis
62.
The overall goal of cellular respiration is to make:
a)
Glucose
b)
ATP
c)
Oxygen
d)
Water
63.
___ produces the most ATP.
a)
Aerobic respiration
b)
Anaerobic respriation
c)
Glycolysis
d)
Photosynthesis
64.
What are the two reactants of cellular respiration?
a)
C6H12O6 & 6CO2
b)
6 CO2 & 6H2O
c)
C6H12O6 & 6O2
d)
6CO2 & 6O2

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