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WorksheetsReview: Matter & Energy in Organisms & Ecosystems
Total questions: 51
Worksheet time: 2hrs 35mins
Which of the following equations represents the overall chemical reaction for photosynthesis?
6O2+ 6H2O → C6H12O6+ 6O2
C6H12O6 + 6H2O→ 6O2+ 6O2
6CO2+ 6H2O→ C6H12O6+ 6O2
6O2 + 6H2O→ C6H12O6 + 6CO2
The place where the light reactions happen in the chloroplast..
Stroma
Grana
Inner Membrane
Thylakoid
Choose the statement that best describes light reaction.
It converts CO2 to sugar molecule
It converts light energy to chemical energy of ATP and NADPH
It takes place in the stroma
Review: What are the reactants?
Elements that go INTO the reaction
Elements that come OUT of the reaction
Review: What are products?
Elements that go INTO the reaction
Elements that come OUT of the reaction
Match the following
Mitochondria
Powerhouse of the cell
Photosynthesis
The process in which plants make their own food
Chloroplast
Site of photosynthesis`
Cellular Respiration
breaks down glucose to produce ATP
What are the products of photosynthesis?
water and carbon dioxide
oxygen and carbon dioxide
oxygen and glucose
oxygen and water
Cellular respiration occurs...
plants only
plants and animals
animals only
How are photosynthesis and cellular respiration different?
Photosynthesis uses food and cellular respiration makes food
Photosynthesis makes energy and cellular respiration makes food
Photosynthesis creates and stores energy while cellular respiration releases energy
Photosynthesis releases ATP and cellular respiration makes sunlight
What organ relates to the respiratory system?
Lungs
Kidney
Brain
What is the main function of the respiratory system?
to provide oxygen and remove carbon dioxide from your body
to break down food and nutrients
to provide food and remove oxygen
What organ relates to the circulatory system?
Heart/Blood Vessels
Lungs
Brain
Kidney
What is the function of the circulatory system?
to transport gases throughout the body
to move water throughout the body
Our cells get rid of carbon dioxide multiple times a minute. Which body process takes in oxygen and puts out carbon dioxide?
When you breathe, your lungs take in ___ and remove _
oxygen/carbon dioxide
carbon dioxide/oxygen
waste/air
air/waste
The process that releases energy from food in the presence of oxygen is--
synthesis
cellular respiration
ATP synthase
photosynthesis
Which of the following are a part of cellular respiration? (select all that apply)
glycolysis
Krebs cycle
electron transport chain
photosynthesis
Calvin cycle
Water is the end product of--
glycolysis
Krebs cycle
electron transport chain
photosynthesis
Calvin cycle
Where does at the Krebs cycle take place?
Cytoplasm
Mitochondria
Stroma
Thylakoid
Where does at the electron transport chain take place?
Cytoplasm
Mitochondria
Stroma
Thylakoid
What is the carbon cycle?
It is a biochemical cycle where carbon is being put back into the atmosphere.
It is something that you breathe out of your body.
It is a cycle that doesn't put carbon back into the atmosphere.
It involves the biochemical cycle and it involves transpiration.
Is the carbon cycle substantial for life?
(a)
Humans have a major involvement in the carbon cycle.
True
False
Today the ocean has absorbed too much carbon dioxide.
True
False
What 3 reasons do living things need carbon for?
All the above
Protiens
Carbohydrates
Lipids
What 2 things can happen if the ocean takes in too much carbon?
The ocean turns acidic.
The oceans coral will melt.
It decreases sea level.
It causes cellular respiration.
The carbon cycle is what type of cycle?
biochemical cycle
nitrogen cycle
water cycle
i don't know
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
Enter: Oxygen
Exit: Carbon Dioxide
Enter: Carbon Dioxide
Exit: Oxygen
Enter: Water Vapor
Exit: Glucose
Enter: Light
Exit: Water Vapor
What gas do plants give off after conducting photosynthesis that humans/animals need in order to live?
Oxygen
Carbon
Nitrogen
Hydrogen
Plants take in ________from the air as one key ingredient for photosynthesis.
oxygen
soil
sugar
carbon dioxide
The main source of energy for all life comes from _____.
the Earth
the sun
the moon
the food we eat/make
Why are producers (plants) important for all life on Earth?
They make our world more beautiful
They make the planet look green
They provide shade for insects
They use carbon dioxide and give us oxygen
Which of the following examples go through the process of photosynthesis?
bees
humans
algae
mushrooms
____________________ is a part of oceans, air, rocks, soil, and all living things.
Nitrogen
Carbon
Water
Silver
Through the process of photosynthesis, plants pull CO2 from the air to make plant food for themselves.
True
False
How do animals get carbon?
By eating plants and or other animals.
They absorb it from the atmosphere.
From the ground
They do not get carbon from anywhere.
When humans EXHALE, we release __________________.
Oxygen
Carbon Dioxide
Nitrogen
Water
which of the following is a reactant to photosynthesis?
Oxygen
Carbohydrates
Glucose
Water
What are the products of photosynthesis?
Glucose
sunlight
water
The law of conservation of mass states that, in a closed system
mass cannot be created or destroyed
mass can be created but not destroyed
mass can be destroyed but not created
mass can be created and destroyed
