wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Photosynthesis

Total questions: 26

Worksheet time: 13mins

Name
Class
Date
1.

Photosynthesis is the process that uses light energy from the sun to convert _______ and _________ into chemical energy in the form of organic molescules such as___________.

a)

Water, Carbon dioxide and glucose

b)

Water, Nitrogen and glucose

c)

Water, Carbon and Amino

d)

Water and glucose only

2.

Photosynthesis takes place in specialized plant organelles called_________.

a)

Granum

b)

Mitochondria

c)

Chloroplast

d)

Cells

3.

Plants use some of the glucose they make for ________________ and the excess is stored or converted into other organic compounds.

a)

Ketosis

b)

Sunlight intake

c)

Energy

d)

Celular Respiration

4.

The summary equation for photosynthesis is

a)

7 CO2 + hHo

b)

6 CO2 + 6 hHo

c)

5 CO2 +6 hHo

d)

5 CO2 + 7hHo

5.

Which of the following does #2 symbolize?

a)

Inner Membrane

b)

Intermediate space

c)

Stroma

d)

Lumen

6.

What part does #1 represent?

a)

Outer Membrane

b)

Lamelia

c)

Thylakoid Membrane

d)

Thylacoid

7.

What does #3 represent

a)

Lumen

b)

Thylakoid space

c)

Granum

d)

Thylakoid

8.

What does #4 represent?

a)

Thylakoid

b)

Thylakoid Membrane

c)

Granum

d)

Thylakoid space

9.

What does #6 represent?

a)

Thylakoid Membrane

b)

lamelia

c)

Stroma

d)

Intermediate space

10.

What does #5 represent?

a)

Inner Membrane

b)

Inner Space

c)

Thylakoid Membrane

d)

Cytoplasm

11.

The light reactions harvest energy to produce _______ and ____________

a)

ATP & NADP

b)

ATP & Glucose

c)

ATP & NADPH

d)

ATP & Light

12.

Light reactions occur in the ______________Membrane of the chloroplast.

a)

Cytoplasmic

b)

Thylakoid

c)

Chlorophylic

d)

Inner

13.

________,the green pigment in plants, and other molecules are arranged in clusters called photosystems.

a)

Chlorophyll

b)

Chloroplast

c)

Chloroping

d)

GreenRX

14.

A photon of light strikes a cholophyll molecule in ___________which excites one of the pigment's electrons.

a)

Photosystem 1

b)

Photosystem 2

c)

Photosystem 3

d)

Photosystem 4

15.

The energy frm the excited electron jumps frm one molecule to the next until it reaches the reaction center of the photosystem where it causes an excited electron from a chlorophull molecule to be passed to an _______________.

a)

Electrode Transport Chain

b)

Proton Transport Chain

c)

Neutron Transport Chain

d)

Electron Transport Chain

16.

Which molecule is split to replace the electron lost by chlorophyll and ______is released as a waste product.

a)

Carbon and oxygen

b)

Oxygen and carbon

c)

Water and oxygen

d)

Nitrogen and oxygen

17.

As the electron "fails" from PSII to PSI, the released energy pumps _______ across the thylakoid membrane to establish a concentration gradient.

a)

H+ ions

b)

H- ions

c)

H++ ions

d)

P- ions

18.

The H+ ions difusse through an ATP Synthase molecule in the membrane in a process called________, which will generate the production of ATP from ADP.

a)

chemiosmosis

b)

osmosis

c)

postmosis

d)

chemiosposis

19.

Photosystem I works in a similar way to PSII, except excited elextrons and H_ ions will be used to produce _____, a high -energy electron carrier molecule.

a)

NADPH

b)

ATP

c)

H+

d)

Glucose

20.

The products of the light reaction are the following:

a)

glucose, H2O, ATP

b)

glucose, CO2, ATP

c)

glucose, NADPH2, ATP

d)

glucose, NADPH, ATP

21.

The Calvin Cycle does not require light, but it does require the products of the light reactions, ________ and _______ as well as ______from the air.

a)

NADPH, ATP, Carbon Dioxide

b)

NADP, Carbon Dioxide, ATP

c)

NADPH2, ATP, Carbon Dioxide

d)

Carbon dioxide, ATP and NADPH

22.

The primary function of the Calvin Cycle is to produce ____. This stage of photosynthesis occurs the ____of the chloroplasts.

a)

glucose, inner membrane

b)

glucose, chloroplast

c)

glucose, stroma

d)

Stroma, glucose.

23.

______enters the cycle in the form of carbon dioxide, which is added to an existing 5-carbon compund (RuBP) to form 6 3 - carbon molecules called 3-PGA.

a)

Hydrogen

b)

H2O

c)

Nitrogen

d)

Carbon

24.

ATP and NADPH from the light reactions are used to convert 3-PGA to _______, the sugar that is produced by photosynthesis and later converted to glucose and other organic compounds.

a)

g1p

b)

g2p

c)

g3p

d)

g4p

25.

One molecule of ________is released and ATP is used to _______the starting compoung, RuBP, from the 5 remaining molescules of G3p. Two G3p molecules combine to make one molecule of _________.

a)

g0p, regenerate, hydrogen

b)

g1p, regenerate, glucose

c)

g2p, regenerate, glucose

d)

g3p, regenerate, glucose

26.

Summarize the inputs and outputs of the Calvin cycle.

a)

Inputs: ATP, NADPH, carbon dioxide, Outputs: glucose & RuBP

b)

Inputs: ATP, NADP, carbon dioxide, Outputs: glucose & RuBP

c)

Inputs: ATP, NAD, carbon dioxide, Outputs: glucose & RuBP

d)

None of the above