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Biology
Photosynthesis
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Created by
Abdullah Mahroof
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Cards (24)
What process must a plant carry out to grow and survive?
Photosynthesis
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Where does photosynthesis take place in a plant?
In the leaves, specifically in
chloroplasts
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What pigment in chloroplasts absorbs light?
Chlorophyll
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What does chlorophyll absorb from the environment?
Light energy
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What are the reactants in the photosynthesis equation?
Carbon dioxide
and
water
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What is produced alongside glucose during photosynthesis?
Oxygen
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What does the equation for photosynthesis look like using chemical symbols?
6
CO<sub>2</sub>
+ 6 H<sub>2</sub>O →
C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>
+ 6 O<sub>2</sub>
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Why is light written above the reaction line in the photosynthesis equation?
Because the reaction requires
light energy
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What type of reaction is photosynthesis classified as?
Endothermic
reaction
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How is energy transferred from the environment to chloroplasts?
By
light
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How does carbon dioxide enter the leaves?
Through the
stomata
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How is water transported to the leaves?
Via the
xylem
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What is the main product that plants want from photosynthesis?
Glucose
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What do plants sometimes use oxygen for?
For
respiration
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What are the five main uses of glucose in plants?
Respiration
,
cellulose
, starch, amino acids, oils
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How does glucose function in respiration?
It releases energy when
broken
apart
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What is cellulose made from?
Combined
glucose
molecules
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Why is starch a better form of glucose for storage?
It is more
compact
and
insoluble
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When do plants typically break down starch to glucose?
When
photosynthesis
isn't happening much
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How do plants make amino acids?
By combining
glucose
with
nitrate ions
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What do plants use amino acids to make?
Proteins
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What can oils and fats be stored as in plants?
A future energy resource
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What factors affect the rate of photosynthesis?
Light intensity
,
temperature
, CO<sub>2</sub> concentration,
chlorophyll
amount
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What are the main functions of glucose in plants?
Energy release through
respiration
Formation of
cellulose
for cell walls
Storage as starch
Production of amino acids with nitrate
Synthesis of oils and fats
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