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
- 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
- 3.How many stages are there of photosynthesis?
- A.
1
- B.
2
- C.
3
- D.
5
- 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
- 5.Stages 1 and 2 of photosynthesis are known as what?
- A.
The Dark Reactions
- B.
The Light Reactions
- C.
The coefficient Reactions
- 6.Where does photosynthesis occur?
- A.
Mitochondria
- B.
Chlorophyll
- C.
Chloroplast
- D.
Nucleus
- 7.What is this equation for?
- A.
Krebs cycle
- B.
Photosynthesis
- C.
Cellular respiration
- D.
Calvin cycle
- 8.Plants need photosynthesis to live
- A.
True
- B.
False
- 9.The first and second stages of photosynthesis can occur with the absorption of light
- A.
True
- 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
- 11.Light is a form of radiation
- A.
True
- B.
False
- 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
- 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
- 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
- 15.When a substance looses electrons, what kind of reaction does it undergo?
- A.
Photosynthesis
- B.
Oxidation reaction
- C.
Cellular respiration
- D.
Reoxidation reaction
- 16.Every oxidation reaction, must be accompanied by a _________________ reaction.
- 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
- 18.Where is the primary electron acceptor located?
- A.
Mitochondria
- B.
Outer membrane
- C.
Thylakoid membrane
- D.
Carbohydrates
- 19.The electron transport chain lies between two large green clusters of ____________ molecules.
- 20.Excited electrons loose some of their energy as they each pass through proteins.
- A.
True
- B.
False
- 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
- 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
- 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
- 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
- 25.What is the protein involved in the diffusion of hydrogen ions called?
- A.
ADP
- B.
ADP synthase
- C.
ATP
- D.
ATP synthase
Questions: 14 | Attempts: 14486 | Last updated: Jan 4, 2021
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