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Photosynthesis Quiz

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What is the principal pigment found in green plants?

a)

Carotene

b)

Chlorophyll

c)

Xanthophyll

d)

Melanin

2.

What do chlorophyll molecules primarily absorb?

a)

Yellow light

b)

Infrared light

c)

Blue and red light

d)

Green light

3.

What is the role of NADP+ in photosynthesis?

a)

To release oxygen

b)

To absorb sunlight

c)

To transport high-energy electrons

d)

To convert glucose

4.

What are the two types of reactions involved in photosynthesis?

a)

Light and dark reactions

b)

Chemical and physical reactions

c)

Light-dependent and light-independent reactions

d)

Oxidation and reduction reactions

5.

Where does the light-independent reaction take place?

a)

In the stroma

b)

In the thylakoids

c)

In the nucleus

d)

In the cytoplasm

6.

What do plants use sugars for?

a)

To create energy

b)

To produce oxygen

c)

To absorb sunlight

d)

To build proteins and lipids

7.

What happens to chlorophyll as temperatures drop in the fall?

a)

It absorbs more light

b)

It breaks down

c)

It increases in intensity

d)

It turns blue

8.

What is the fluid part surrounding the grana in chloroplasts called?

a)

Thylakoid

b)

Matrix

c)

Stroma

d)

Cytoplasm

9.

Which of the following is NOT a role of pigments in photosynthesis?

a)

Absorbing light energy

b)

Reflecting green light

c)

Transporting electrons

d)

Capturing sunlight

10.

Which molecule is converted into NADPH during photosynthesis?

a)

ATP

b)

NADP+

c)

Oxygen

d)

Glucose

11.

What type of energy do plants convert during photosynthesis?

a)

Chemical energy

b)

Light energy

c)

Mechanical energy

d)

Nuclear energy

12.
Where does the energy for photosynthesis come from?
a)
Sunlight
b)
The soil
c)
The air
d)
The wind
13.
What is the word equation for photosynthesis?
a)
Carbon dioxide + water --> glucose + oxygen
b)
Oxygen + glucose --> carbon dioxide + water
14.
Which part of a plant cell absorbs the light in photosynthesis?
a)
Nucleus
b)
Cell membrane
c)
Vacuole
d)
Chloroplast
15.
What is the name of the green pigment found inside the chloroplasts?
a)
Chlorosome
b)
Chlorophyll
c)
Chlorocell
d)
Chlorochondria
16.
What are the limiting factors in photosynthesis?
a)
Light, carbon dioxide, temperature and chlorophyll
b)
Water, heat, cell sap and oxygen
17.

What is the main pigment used by photosynthetic organisms to capture energy from sunlight?

a)

Chlorophyll

b)

Phycocyanin

c)

Carotene

d)

Xanthophyll

18.

Where does photosynthesis take place inside plant cells?

a)

Mitochondria

b)

Nucleus

c)

Chloroplast

d)

Endoplasmic Reticulum

19.

What is the compound that can accept high-energy electrons produced by chlorophyll and transfer them to another molecule?

a)

ATP

b)

NADP+

c)

ADP

d)

FADH2

20.

What are the products of photosynthesis?

a)

ATP and NADPH

b)

Glucose and oxygen

c)

Starches and lipids

d)

Carbon dioxide and water

21.

What is the primary function of chlorophyll in photosynthesis?

a)

Convert carbon dioxide into oxygen

b)

Produce high-energy sugars

c)

Transfer electrons to ATP

d)

Absorb sunlight for energy

22.

Which organelle is responsible for photosynthesis in plant cells?

a)

Mitochondria

b)

Nucleus

c)

Chloroplast

d)

Endoplasmic Reticulum

23.

Organisms that make their food from sunlight through photosynthesis.

a)

chloroplast

b)

mitochondria

c)

autotroph

d)

heterotroph

24.

The process that requires carbon dioxide, water, and sunlight in order to produce glucose and oxygen.

a)

CELLULAR RESPIRATION

b)

DNA REPLICATION

c)

PHOTOSYNTHESIS

d)

EVOLUTION

25.

The organism(s) that undergo photosynthesis to make sugar (food) are

a)

ANIMALS

b)

PLANTS

c)

BOTH ANIMALS AND PLANTS

d)

NONE OF THESE