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Chapter 8 Review - Photosynthesis

Total questions: 25

Worksheet time: 16mins

Name
Class
Date
1.

Organisms such as hawks and leopards, that obtain their energy from the foods they consume are called _______________________.

a)

Autotrophs

b)

Heterotrophs

2.

Organisms, such as plants, that make their own food are called ____________________.

a)

Autotrophs

b)

Heterotrophs

3.

Plants gather the sun’s energy with light –absorbing molecules called ________________.

a)

Wavelength

b)

Stroma

c)

Chloroplast

d)

Pigments

4.

What is the product of the Calvin Cycle?

a)

Carbon Dioxide

b)

Sugar

c)

Water

d)

Oxygen

5.

Photosynthesis uses sunlight to convert water and carbon dioxide into:

a)

High energy sugars

b)

ATP and oxygen

c)

Oxygen and high energy sugars

6.

The Calvin Cycle is another name for

a)

Light-independent reactions

b)

Light-dependent reactions

c)

Photosynthesis

7.

Ingenhouz found that plans produce oxygen bubbles only in the presence of ________________________.

a)

Carbon Dioxide

b)

Nitrogen

c)

ATP

d)

Light

8.

Plants take in the sun’s energy by absorbing _______________________.

a)

Sunlight

b)

Chlorophyll

c)

Oxygen

d)

Water

9.

The light-dependent reactions convert NADP+ and ADP into the energy carriers NADPH and ______________________.

a)

ADP

b)

ATP

c)

TPA

d)

TDA

10.

Where do the light-dependent reactions take place?

a)

In the stroma

b)

Outside the chloroplasts

c)

In the thylakoid membranes

11.

Which of the following affects the rate of photosynthesis?

a)

Water

b)

Temperature

c)

Light

d)

All of the above

12.

What happens when a phosphate group is removed from an ATP molecule?

a)

Energy is released

b)

Energy is trapped

c)

Energy is lost

d)

Nothing happens

13.

Jan van Helmont concluded that plants gain most of their mass from ___________________.

a)

Carbon dioxide

b)

Sugar

c)

Water

d)

Soil

14.

The stroma is the space that surrounds __________________________

a)

Chloroplasts

b)

Cytoplasm

c)

Thylakoids

d)

ATP

15.

Which of the following is NOT a part of an ATP molecule?

a)

Adenosine

b)

Chlorophyll

c)

Ribose

16.

What overall process is shown?

a)

Photosynthesis

b)

Calvin Cycle

c)

Light Independent Reaction

d)

Light Dependent Reaction

17.

What structure is shown?

(Use Figure 8-4)

a)

Chlorophyll

b)

Mitochondria

c)

Chloroplast

d)

Pigment

18.

What are the products of the light-dependent reactions?

(Use Figure 8-4)

a)

Sunlight

b)

Sugars

c)

Oxygen only

d)

Oxygen, ATP, NADPH

19.

What are the products of the Calvin Cycle?

(Use Figure 8-4)

a)

Carbon dioxide

b)

Light and Water

c)

Sugars, ADP+ P, NADP +

d)

Sugars only

20.

What chemical from the atmosphere is used in the Calvin Cycle to produce sugars?

(Use Figure 8-4)

a)

Carbon dioxide

b)

Water

c)

Light

d)

Oxygen

21.

Why are plants green?

a)

They absorb green light

b)

They do not reflect green light

c)

They absorb every single wavelength of light

d)

They reflect green light and absorb other wavelengths

22.

What gas do plants “breathe in?”

a)

Carbon dioxide

b)

Oxygen

23.

What gas to plants “breathe out?”

a)

Carbon dioxide

b)

Oxygen

24.

What gas to humans breathe in?

a)

Carbon dioxide

b)

Oxygen

25.

What gas do humans breathe out?

a)

Carbon dioxide

b)

Oxygen