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Paper 1
Organisation
Plant tissues
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Created by
Em
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Cards (27)
What should you be able to describe by the end of the video?
The
roles
of
different
tissues
in a
plant
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Why is it important to learn the details in this video?
It is likely to be on your
exam
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Where does photosynthesis take place in a plant?
In the
leaves
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What is the leaf classified as in plant anatomy?
A
plant organ
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What type of cells cover the top and bottom of the leaf?
Epidermal cells
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What is the function of the epidermis in a leaf?
It
protects
the
surface
of the leaf
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What is a key adaptation of the upper epidermis?
It is transparent to allow
light
passage
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What does the waxy cuticle do?
Reduces
water
evaporation from the leaf
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What are the tiny pores on the lower epidermis called?
Stomata
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What is the function of stomata?
Allow
gas exchange
in the leaf
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What do guard cells do?
Control the opening and closing of
stomata
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What is found at the top of the leaf?
Palisade mesophyll
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What is the main feature of palisade cells?
They are packed full of
chloroplasts
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What do chloroplasts contain that is essential for photosynthesis?
Chlorophyll
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What is the key feature of spongy mesophyll?
It is full of
air spaces
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How does carbon dioxide move in the leaf?
It
diffuses
from
stomata
to
palisade cells
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How does oxygen move in the leaf?
It
diffuses
from
palisade cells
to
stomata
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What are the two other tissues in the leaf besides mesophyll?
Xylem
and
phloem
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What does xylem tissue transport?
Water and dissolved
mineral ions
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What is one use of magnesium in plants?
To make
chlorophyll
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What does phloem tissue transport?
Dissolved sugars produced by
photosynthesis
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What is glucose used for in plants?
In
respiration
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What is the process of moving sugars through phloem called?
Translocation
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Where is meristem tissue found in plants?
At growing tips of
shoots
and
roots
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What do stem cells in meristem tissue do?
Differentiate
into various plant tissues
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What should you look for in the provided workbook?
Questions on
plant tissues
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What is the overall goal of the video?
To describe the roles of different
plant tissues
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