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9 Photosynthesis

Total questions: 70

Worksheet time: 44mins

Name
Class
Date
1.

.


In the first stage of photosynthesis,

a)

carbon compounds are produced

b)

the Calvin cycle takes place

c)

sunlight is required to generate ATP

d)

carbon dioxide is utilized

2.

which of the following is a reactant to photosynthesis?

a)

Oxygen

b)

Carbohydrates

c)

Glucose

d)

Water

3.

Why are plants considered autotrophs

a)

They make their own food

b)

They provide food for others

4.

The process of converting carbon dioxide into sugars is called what?

a)

Photosynthesis

b)

Glycolisis

c)

The Calvin Cycle

d)

Cellular Respiration

5.

What are the products of photosynthesis?

a)

Glucose

b)

sunlight

c)

water

6.

What two forms of energy are produced from the light-dependent reaction?

a)

Energy and water

b)

ATP and ADP

c)

ATP and NADPH

d)

NADP and NADPH

7.

What occurs in the Calvin Cycle of photosynthesis?

a)

nothing happens there is no energy

b)

glucose is synthesized from CO2

c)

Oxygen is being converted into sugar

8.
The process whereby plants capture energy and make complex molecules is
a)
chemosynthesis
b)
cell respiration
c)
photosynthesis
d)
homeostasis
9.
What gas does the process of photosynthesis release into the atmosphere?
a)
oxygen
b)
carbon dioxide
c)
water
d)
nitrogen
10.
organelle where photosynthesis occurs is the
a)
mitochondria
b)
ribosome
c)
chloroplast
d)
nucleus
11.
What three things are always needed for photosynthesis
a)
water, light, fertilizer, oxygen
b)
water, light, chlorophyll, oxygen
c)
water, roots, stems, leaves
d)
water, light, chlorophyll, carbon dioxide
12.
How do leaves help plants?
a)
They help hold the plant up.
b)
They take in water from the soil.
c)
They help make food through photosynthesis.
d)
They help make seeds.
13.
How do plants gets their food?
a)
they eat other animals
b)
make their own food
c)
they don't need food
d)
other living things bring them their food
14.
What is the name of the simple sugar that is produced in photosynthesis?
a)
Sucrose
b)
Dextrose
c)
Glucose
d)
Lactose
15.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
16.
Why are producers (plants) important for all life on Earth? 
a)
They make our world more beautiful
b)
They make the planet look green
c)
They use carbon dioxide and give us oxygen
d)
They provide shade for insects
17.
__________ energy from the sun is changed intto __________ energy during photosynthesis
a)
Chemical energy to light energy
b)
Light energy to chemical energy
c)
Thermal energy to light energy
d)
Electrical energy to chemical enerfy
18.

What pigment captures/absorbs sunlight?

a)

stomata

b)

chlorophyll

c)

chloroplast

d)

phloem

19.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + glucose
b)
CO2 + glucose + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + glucose
d)
CO2 + O2 + H2O --> Light+ glucose
20.

What is A?

a)

Thylakoid

b)

Glucose

c)

Sunlight

d)

Chloroplast

21.

What is E?

a)

Thylakoid

b)

Glucose

c)

Sunlight

d)

Chloroplast

22.

What is F?

a)

Thylakoid

b)

Glucose

c)

Grana

d)

Stroma

23.

What is D?

a)

Thylakoid

b)

Glucose

c)

Grana

d)

Stroma

24.

What is K?

a)

Sugar

b)

Glucose

c)

Grana

d)

Calvin Cycle

25.

What is C?

a)

Carbon Dioxide

b)

Glucose

c)

Water

d)

Calvin Cycle

26.

What is B?

a)

Carbon Dioxide

b)

Glucose

c)

Water

d)

Oxygen

27.

What is I?

a)

Carbon Dioxide

b)

Glucose

c)

Water

d)

Oxygen

28.

What is G?

a)

ATP & NADPH

b)

Glucose

c)

Water

d)

Oxygen

29.

What is H?

a)

ATP & NADPH

b)

ADP & ATP

c)

ADP & NADP+

d)

ATP & NADP+

30.
A chemical reaction is balanced when
a)
both sides have the same elements
b)
Both sides have the same  number of atoms
c)
Same subscripts
d)
Same coefficients
31.
What is the Law of Conservation of mass?
a)
Mass is created in a chemical reaction
b)
Mass is created in a physical change
c)
New chemicals formed from a chemical reaction have a larger overall mass than the original reactants
d)
Mass is never created or destroyed
32.

Does the equation H2+O2 →H2O follow the Law of Conservation of Mass?

a)

Yes, because the atoms are equal.

b)

No, because more info is needed.

c)

No, because there are more atoms in the product.

d)

No, because there are more atoms in the reactant.

33.
During photosynthesis, what type of energy transfer takes place?
a)
Heat -> Chemical Potential
b)
Chemical Potential -> Light
c)
Light -> Chemical Potential
d)
Heat -> Light
34.
Energy is the ability _____________.
a)
to do work
b)
to power things
c)
to move objects
d)
to turn on a light
35.
The Law of Conservation of Energy states:
a)
Energy can created or destroyed but not transformed 
b)
Energy cannot be created or destroyed, it can only transformed
c)
Energy can't be created, destroyed or transformed
36.

Most of the suns energy is ______ as ______energy.

a)

wasted

light

b)

lost

light

c)

captured

heat

d)

lost

heat

37.

Which macromolecule provides the fastest source of energy?

a)

Nucleic Acids

b)

Proteins

c)

Lipids

d)

Carbohydrates

38.

Which macromolecule(s) provide the source of energy from our foods?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

39.

Which macromolecule stores the most energy?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

40.

What is used or released when ATP becomes ADP?

a)

phosphate released / energy used

b)

phosphate used / energy released

c)

phosphate released / energy released

d)

phosphate used / energy released

41.

What is the full name of the molecule ATP?

a)

Adenine Diphosphate

b)

Adenosine Diphosphate

c)

Adenine Triphosphate

d)

Adenosine Triphosphate

42.

What is used / released when ADP becomes ATP?

a)

phosphate released / energy used

b)

phosphate used / energy used

c)

phosphate released / energy released

d)

phosphate used / energy released

43.

What is the full name of the molecule ADP?

a)

Adenine Diphosphate

b)

Adenosine Diphosphate

c)

Adenine Triphosphate

d)

Adenosine Triphosphate

44.

What is the process through which the majority of ATP is produced?

a)

Photosynthesis

b)

Respiration

c)

Exercise

d)

Nucleotides

45.

Which of these organisms produce ATP through cellular respiration?

a)

Plants

b)

Animals

c)

Both

d)

Neither

46.

Which macromolecule stores the most energy?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

47.

Which macromolecule(s) provide the source of energy from our foods?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

48.

Of the macromolecules that provide energy, which macromolecules has the least amount of energy?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

49.

Which macromolecule categorizes ATP?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

50.

Which macromolecule provides the fastest source of energy?

a)

Nucleic Acids

b)

Proteins

c)

Lipids

d)

Carbohydrates

51.

What is used or released when ATP becomes ADP?

a)

phosphate released / energy used

b)

phosphate used / energy released

c)

phosphate released / energy released

d)

phosphate used / energy released

52.

What is the full name of the molecule ATP?

a)

Adenine Diphosphate

b)

Adenosine Diphosphate

c)

Adenine Triphosphate

d)

Adenosine Triphosphate

53.

What is used / released when ADP becomes ATP?

a)

phosphate released / energy used

b)

phosphate used / energy used

c)

phosphate released / energy released

d)

phosphate used / energy released

54.

All of the following are parts of an ATP molecule except:

a)

Adenine

b)

Ribose

c)

Ribosomes

d)

Phosphates

55.

Where is the energy stored in an ATP molecule?

a)

Chemical Bonds

b)

Ionic Bonds

c)

Atomic Bonds

d)

James Bond

56.

What is the full name of the molecule ADP?

a)

Adenine Diphosphate

b)

Adenosine Diphosphate

c)

Adenine Triphosphate

d)

Adenosine Triphosphate

57.

What is ATP used for?

a)

It is recharged to be used later.

b)

As a backbone for DNA.

c)

Special cell actions that require large amounts of energy.

d)

Any cellular process requiring energy.

58.

What does ATP become whenever energy is released?

a)

The molecule is completely used up.

b)

An adenine, ribose, and two phosphates attached together.

c)

Nothing changes and it remains Adenosine Triphosphate.

d)

ATP breaks into its three main parts.

59.

Which enzyme helps attach a phosphate onto ADP?

a)

ADPase

b)

ATPase

c)

ATPsynthase

d)

Ace of Base

60.

What is ADP used for?

a)

It is recharged with a phosphate and energy.

b)

As a backbone for DNA.

c)

Special cell actions that require large amounts of energy.

d)

Any cellular process requiring energy.

61.

Exactly where is the high energy bond in ATP?

a)

In the adenosine

b)

In the ribose sugar (sugars contain quick energy)

c)

In the terminal phosphate bond

d)

Throughout the entire molecule

62.

Which enzyme helps remove a phosphate from ATP?

a)

ADPase

b)

ATPase

c)

ATPsynthase

d)

Hydrogenase

63.

What substance helps in removing a phosphate?

a)

Adenosine

b)

Water

c)

Hydrogen

d)

Phosphates

64.

Which enzyme helps attach a phosphate onto ADP?

a)

ADPase

b)

ATPase

c)

ATPsynthase

d)

Ace of Base

65.

Where does light dependent reaction take place?

a)

Stroma

b)

Thylakoid

c)

Cytoplasm

66.

Which of the following is not produced in the light dependent reaction?

a)

oxygen

b)

ATP

c)

sugar

d)

water

67.
What does NADPH do? 
a)
carries electrons to the Calvin cycle
b)
carries electrons to the ETC
68.

What are 2 energy carriers produced in the Light Dependent reaction?

a)
NADPH
b)
ATP
c)
Oxygen
d)
Carbon dioxide
69.

Where does light Independent reactions take place?

a)

Stroma

b)

Thylakoid

c)

Cytoplasm

70.

Which of the following are not produced in the light independent reaction?

a)

oxygen

b)

ATP

c)

sugar

d)

water

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