Basic Info On Photosynthesis
Test on photosynthesis. Help review for Biology Students.
- 1.
How much energy do plants, algae, and some bacteria capture from the sunlight that reaches earth?
- A.
1%
- B.
10%
- C.
10,000 watts
- D.
100,000 watts
Correct Answer
A. 1% -
- 2.
What is photosynthesis?
- A.
The process where energy is converted into ATP
- B.
The process where light undergoes a series of changes
- C.
The process that provides energy for almost all life
- D.
The process that provides light
Correct Answer
C. The process that provides energy for almost all life -
- 3.
How many stages are there of photosynthesis?
- A.
1
- B.
2
- C.
3
- D.
5
Correct Answer
C. 3 -
- 4.
What is the first stage of photosynthesis?
- A.
Light energy is converted to chemical energy. This chemical energy is temporarily stored in ATP and the energy carrier molecule NADPH.
- B.
The chemical energy (stored in ATP and NADPH) powers the formationof otganiccomounds , using carbon dioxide
- C.
Energy is captured from sunlight
- D.
The flower dances around to capture sunlight
Correct Answer
C. Energy is captured from sunlight -
- 5.
Stages 1 and 2 of photosynthesis are known as what?
- A.
The Dark Reactions
- B.
The Light Reactions
- C.
The coefficient Reactions
Correct Answer
B. The Light Reactions -
- 6.
Where does photosynthesis occur?
- A.
Mitochondria
- B.
Chlorophyll
- C.
Chloroplast
- D.
Nucleus
Correct Answer
C. Chloroplast -
- 7.
What is this equation for?
- A.
Krebs cycle
- B.
Photosynthesis
- C.
Cellular respiration
- D.
Calvin cycle
Correct Answer
B. Photosynthesis -
- 8.
Plants need photosynthesis to live
- A.
True
- B.
False
Correct Answer
A. True -
- 9.
The first and second stages of photosynthesis can occur with the absorption of light
- A.
True
- B.
False
Correct Answer
B. False -
- 10.
What is light energy used for?
- A.
To make energy storing compounds
- B.
For fun
- C.
To convert sugars to sunlight
- D.
To consume food
Correct Answer
A. To make energy storing compounds -
- 11.
Light is a form of radiation
- A.
True
- B.
False
Correct Answer
A. True -
- 12.
What is the distance of a wavelength?
- A.
The distance 3light rays
- B.
The distance between the beginning wave and the end wave
- C.
The distance between 3 heat waves
- D.
The distance between 2 consecutive waves
Correct Answer
D. The distance between 2 consecutive waves -
- 13.
What is the only kind of radiation that humans can see?
- A.
Visible light
- B.
Heat radiation
- C.
Radiation from space
- D.
Radiation from microwaves
Correct Answer
A. Visible light -
- 14.
How can electrons move from chlorophyll molecules to other nearby molecules?
- A.
They use vesicles to move
- B.
They float through liquid
- C.
When the electrons are excited, they are unstable and they jump
- D.
Electrons are unable to move
Correct Answer
C. When the electrons are excited, they are unstable and they jump -
- 15.
When a substance looses electrons, what kind of reaction does it undergo?
- A.
Photosynthesis
- B.
Oxidation reaction
- C.
Cellular respiration
- D.
Reoxidation reaction
Correct Answer
B. Oxidation reaction -
- 16.
Every oxidation reaction, must be accompanied by a _________________ reaction.
Correct Answer
reduction - 17.
What substance accepts the electrons from the oxidation and reduction reaction?
- A.
The secondary electron acceptor
- B.
Chloropyll
- C.
The photosystem
- D.
The primary electron acceptor
Correct Answer
D. The primary electron acceptor -
- 18.
Where is the primary electron acceptor located?
- A.
Mitochondria
- B.
Outer membrane
- C.
Thylakoid membrane
- D.
Carbohydrates
Correct Answer
C. Thylakoid membrane -
- 19.
The electron transport chain lies between two large green clusters of ____________ molecules.
Correct Answer
pigment
pigments - 20.
Excited electrons loose some of their energy as they each pass through proteins.
- A.
True
- B.
False
Correct Answer
A. True -
- 21.
What is the energy lost by the electrons used to do?
- A.
Pump hydrogen ions into the thylakoid
- B.
Pump hydroxide ions into the thylakoid
- C.
Pump hydrogen ions out of the cell
- D.
Pump hydroxide ions out of the cell
Correct Answer
A. Pump hydrogen ions into the thylakoid -
- 22.
How are some hydrogen ions made in the thylakoid?
- A.
The light from the sun creates them
- B.
By splitting hydrogen ions
- C.
By splitting water molecules
- D.
By building pigments
Correct Answer
C. By splitting water molecules -
- 23.
As time goes on, there are more hydrogen ions inside the thylakoid than outside, creating a concentration gradient across the thylakoid membrane.
- A.
True
- B.
False
Correct Answer
A. True -
- 24.
Because of the concentration gradient, where will hydrogen ions go?
- A.
They will diffuse back out of the thylakoid, down their concentration gradient through the sodium potassium pump
- B.
They will diffuse back out of the thylakoid, down their concentration gradient through specialized carrier proteins
- C.
They will diffuse into the thylakoid, down their concentration gradient through specialized carrier proteins
- D.
They will diffuse back out of the thylakoid, against their concentration gradient through specialized carrier proteins
Correct Answer
B. They will diffuse back out of the thylakoid, down their concentration gradient through specialized carrier proteins -
- 25.
What is the protein involved in the diffusion of hydrogen ions called?
- A.
ADP
- B.
ADP synthase
- C.
ATP
- D.
ATP synthase
Correct Answer
D. ATP synthase -
- 26.
What is the process of chemiosmosis?
- A.
As hydrogen ions pass through the channel of the protein, the protein catalyzes a reaction in which a phosphate group is added to ADP to create ATP
- B.
As hydrogen ions pass through the side of the protein, the protein catalyzes a reaction in which a phosphate group is added to ADP to create ATP
- C.
As hydrogen ions pass through the channel of the protein, the protein catalyzes a reaction in which a phosphate group is added to ATP to create ADP
Correct Answer
A. As hydrogen ions pass through the channel of the protein, the protein catalyzes a reaction in which a phosphate group is added to ADP to create ATP -
- 27.
What powers stage three of photosynthesis?
- A.
ADP
- B.
ADP synthase
- C.
ATP
- D.
ATP synthase
Correct Answer
C. ATP -
- 28.
At the same time light is absorbed by PSII, light is also absorbed by PSI.
- A.
True
- B.
False
Correct Answer
A. True -
- 29.
Where do electrons move from a chlorophyll a molecule in PSI?
- A.
Out of the plant
- B.
Stay where they are
- C.
The PSII
- D.
To another primary electron acceptor
Correct Answer
D. To another primary electron acceptor -
- 30.
Excited electrons combine with hydrogen ions as well as an electron acceptor called NADP+ which makes NADPH.
- A.
True
- B.
False
Correct Answer
A. True -
- 31.
When excited electrons leave a chlorophyll molecule, it doesnt have to be replaced by another electron.
- A.
True
- B.
False
Correct Answer
B. False -
- 32.
Check off the things in a hydrogen atom
- A.
One electron
- B.
Hydroxide ion
- C.
Two protons
- D.
One proton
- E.
Carbohydrate
Correct Answer(s)
A. One electron
D. One proton -
- 33.
Stage three is ______________ ____________, which means it does not need light.
Correct Answer(s)
light, independent - 34.
Since stage three does not require light, it is dark.
- A.
True
- B.
False
Correct Answer
B. False -
- 35.
Carbon atoms from carbon dioxide in the air are used to make __________________, that are used to store chemical energy.
Correct Answer
organic compounds
organic compound - 36.
The transfer of carbon dioxide to organic compounds is called?
- A.
Carbon dioxide fixation
- B.
Oxidation
- C.
Redox reaction
- D.
Carbondioxideosis
Correct Answer
A. Carbon dioxide fixation -
- 37.
The reactions that fix carbon dioxide are sometimes called dark reactions because they are light independent
- A.
True
- B.
False
Correct Answer
A. True -
- 38.
What is the function of photosynthesis?
- A.
To make galactose using sunlight
- B.
To make enzymes using sunlight
- C.
To make sucrose using sunlight
- D.
To make glucose using sunlight
Correct Answer
D. To make glucose using sunlight -
- 39.
What molecules control the reaction rate of photosynthesis?
- A.
Sugars
- B.
Enzymes
- C.
Fatty acids
- D.
Nucleic acids
Correct Answer
B. Enzymes -
- 40.
Energy transfer from link to link of the food chain is less than 100% efficient. Some of the energy is lost as _______ energy during respiration.
Correct Answer
heat - 41.
Check off all of the mainchemical compounds that make up the bodies of living organisms
- A.
Carbon
- B.
chloride
- C.
Sodium
- D.
Oxygen
- E.
Hydrogen
- F.
Neon
- G.
Zinc
Correct Answer(s)
A. Carbon
D. Oxygen
E. Hydrogen -
- 42.
What are the tiny holes, or pores, on the surface of a leaf called?
- A.
Stomara
- B.
Stomata
- C.
Chloroplasts
- D.
Vesicles
Correct Answer
B. Stomata -
- 43.
What controls the opening and controlling of the stomata?
- A.
The leaves of the plant
- B.
The stem of the plant
- C.
Gaurd cells
- D.
There is no control
Correct Answer
C. Gaurd cells -
- 44.
If the stomata are closed, what happens?
- A.
Oxygen builds up inside the plant and the CO2 concentration is low
- B.
CO2 builds up inside the plant and the CO2 concentration is low
- C.
Oxygen builds up inside the plant and the CO2 concentration is high
- D.
Oxygen builds up outside the plant and the CO2 concentration is low
Correct Answer
A. Oxygen builds up inside the plant and the CO2 concentration is low -
- 45.
Plants close their stomata part way during the coldest part of the day, to minimize water loss.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Plants close their stomata part way during the HOTTEST part of the day, to minimize water loss.Rate this question:
-
- 46.
Which depicts an open stomata?
- A.
The picture on the left
- B.
The picture on the right
- C.
Neither picture
Correct Answer
A. The picture on the left -
- 47.
What are light-absorbing substances called?
Correct Answer
pigments
pigment - 48.
What is the primary pigment in photosynthesis?
- A.
Chloroplasts
- B.
Mitochondria
- C.
Chlorophyll
Correct Answer
C. Chlorophyll -
- 49.
Check off the different types of chlorophyll in a plant
- A.
Chlorophyll A
- B.
Chlorophyll B
- C.
Chlorophyll C
Correct Answer(s)
A. Chlorophyll A
B. Chlorophyll B -
- 50.
Check off the colors that chlorophyll absorbs
- A.
Red
- B.
Blue
- C.
Yellow
- D.
Green
Correct Answer(s)
A. Red
B. Blue -
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Mar 20, 2022Quiz Edited by
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Dec 28, 2010Quiz Created by
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