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WorksheetsPhotosynthesis
Total questions: 40
Worksheet time: 3600secs
Which of the following are products of photosynthesis?
glucose
light
water
oxygen
What is the name of the pigment molecule that absorbs light energy and makes plants green?
chloroplast
glucose
mitochondria
chlorophyll
Where does photosynthesis occur?
mitochondria
chloroplast
animal cells
ribosomes
The Calvin Cycle uses what things to make glucose:
ATP
NADPH
CO2
light
What is a main product of Photosynthesis?
Oxygen
Glucose
ATP
NADPH
In which part of photosynthesis is water split release Oxygen?
light reactions
calvin cycle
Where are chloroplast located on the plant?
stems
roots
leaves
What part of photosynthesis is Carbon Dioxide used to help make glucose?
light reactions
calvin cycle
Which of these are limiting factors for photosynthesis?
Light intensity
CO2 concentration
Temperature
oxygen concentration
nitrogen concentration
Sugar and oxygen are the ________________of photosynthesis, while carbon dioxide, water and light energy are the ___________________.
inputs, outputs
ingredients, end result
reactants, products
products, reactants
Which photosystem comes first in the electron transport chain?
Photosystem 1
Photosystem 2
Photolysis
ATP Synthase
What are the reactants to the Light Reactions?
Sunlight and Water
Sunlight and Oxygen
Oxygen and Water
Sunlight and Carbon Dioxide
What are the products to the light reactions?
Sunlight and Oxygen
Sunlight and Water
ATP, NADPH and Oxygen
ADP, NADP+ and Oxygen
Where do the light reactions occur?
Cytoplasm
Stroma
Granum
Thylakoid
What protein is used to make ATP in the light reactions?
Chlorophyll
ATP Synthase
The Electron Transport Chain
NADPH
A chain of proteins in the thylakoid membranes that moves electrons. The electrons have energy that helps pump hydrogen ions into the thylakoids.
electron disappearing chain
electron transport chain
electron creating chain
electron hydrogen chain
A reaction that doesn't require light, occurs in the stroma, and requires carbon dioxide and energy to produce glucose sugar.
light-dependent reactions
light-producing reactions
light-independent reactions
light-sucking reactions
Photosystems are clusters of chlorophyll and proteins.
TRUE
FALSE
Water splits into what three things?
oxygen, electrons, hydrogen ions
electrons, ATP, and NADPH
Rubisco, RuBP, G3P
hydrogen ions, electrons, carbon dioxide
ATP and NADPH are made in the _______________ and used in the _________________
Stroma, Chlorophyll
Calvin cycle, Krebs cycle
dark reactions, light reactions
light dependent reactions, light independent reactions
Tiny pores on the underside of leaves
Stroma
Stomata
Thylakoids
Chloroplasts
Plants can close their stomata when the temperature is hot
To prevent water loss
To prevent loss of oxygen
To prevent loss of carbon dioxide
To bring in more carbon dioxide
Which of the following is a way to increase the rate of photosynthesis?
Increase oxygen levels
Decrease CO2 levels
Increase light intensity
Decrease water level
Which of the following is true of the Calvin Cycle?
carbon dioxide and energy (ATP and NADPH) are used to make organic compounds
energy is absorbed from sunlight and converted to chemical energy stored in ATP and NADPH
Occurs in the thylakoid
Occurs in the cytoplasm
Temperatures that are too high can slow photosynthesis because
stomata stay open
enzymes denature
there is not enough CO2
there is too much water
To bring in nonliving carbon (CO2) and use it to make organic compounds is a process called _______________.
carbon fixiation
cellular respiration
light reaction
fermentation
