Life Science Section 2C Quiz Practice Question Preview (ID: 57821)
C.
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All ________ need energy to survive.
a) molecules
b) organisms
c) vehicles
d) atoms
Organisms called ________ eat other organisms to get energy.
a) consumers
b) autotrophs
c) protozoa
d) producers
Organisms, called _________, harness the sun’s energy to make food.
a) consumers
b) heterotropfs
c) omnivores
d) producers
Most producers are either plants or ______.
a) insects
b) bacteria
c) algae
d) viruses
Photosynthesis uses energy from the sun to turn carbon dioxide and water into ______.
a) carbon
b) glucose
c) nitrogen
d) electrons and protons
Sunlight enters the chloroplasts and is ________ by the green pigment chlorophyll.
a) absorbed
b) released
c) rejected
d) repelled
Chlorophyll uses the energy from the sun to ______ water into protons, electrons, and oxygen.
a) combine
b) connect
c) bond
d) split
Carbon dioxide + water + _______ energy = sugar + oxygen.
a) magnetic
b) heat
c) light
d) thermal
A lot of _______ is stored in the chemical bonds of a glucose molecule, but it’s not easy to use.
a) space
b) energy
c) matter
d) water
If all the energy in one molecule of glucose were released in a cell at once, it would _______the cell.
a) destroy
b) satisfy
c) build
d) enhance
ATP is the “energy currency” used to power the active transport _______ and many of the other processes in the cell.
a) carbohydrates
b) fats
c) lipids
d) proteins
The process of breaking down molecules to produce ATP is called cellular _______.
a) repair
b) regeneration
c) respiration
d) recovery
When you breathe, oxygen flows into your lungs and is carried by your _______ to all the cells in your body to work in cellular respiration.
a) ER
b) blood
c) Golgi
d) muscles
Plants use carbon dioxide and ________ to make glucose and oxygen.
a) water
b) sugars
c) carbohydrates
d) air
_______ and oxygen are used by both plants and animals to make ATP.
a) Carbon
b) Nitrogen
c) Zinc
d) Glucose
Plants perform ___________, providing food for themselves and other creatures.
a) respiration
b) breathing
c) photosynthesis
d) light energy exchange
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