How could we measure how fast a plant is photosynthesising?

measure the amount of oxygen produced

What is the 'transpiration stream'?

The flow of water up the xylem vessels to the leaves

Where in the plant does the phloem transport the sugars to?

Storage tissues in the roots, growing tissues in the tips of the root and shoot

What are 'vascular bundles'?

Groups of xylem and phloem tissues

What is 'transpiration'?

The loss of water through the leaves of plants

Which of the following statements isn't true about the xylem

It transports sugar in a downwards direction

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Plant transport and photosynthesis (year 9)

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Covers the basics of plant transport systems in B3 2.5 of the AQA GCSE Biology textbook

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Questions 12

Answers

1
How could we measure how fast a plant is photosynthesising?
measure the length of a plant
observe it
measure the amount of oxygen produced
weigh its fruit
2
What is the 'transpiration stream'?
The flow of water up the xylem vessels to the leaves
The evaporation of water through the plant
The loss of water through the plant's leaves
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3
Inside the leaf, which layer of cell carries out the most photosynthesis?
mesophyll
waxy cuticle
epidermis
pallisade
4
Where in the plant are sugars produced?
Vascular bundles
Xylem vessels
Roots
Leaves
5
which of these is not a limiting factor to photosynthesis
temperature
number of petals
amount of chlorophyll
light intensity
6
Where in the plant does the phloem transport the sugars to?
Cells in the leaves
Cells in the vascular bundles
Storage tissues in the roots
growing tissues in the tips of the root and shoot
7
What are 'vascular bundles'?
Groups of valves in the xylem
Groups of minerals being transported up the xylem
Groups of vacuoles in the phloem
Groups of xylem and phloem tissues
8
What is 'transpiration'?
The breakdown of glucose
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The loss of water through the leaves of plants
The flow of water up the xylem
9
Which of the following statements isn't true about the xylem
•It transports water and minerals inan upwards direction
It is made of hollow dead tubes
It has thick, rigid walls to stop it from collapsing
It transports sugar in a downwards direction
10
What process allows water to move into a plant's root hair cells
Refraction
Diffusion
Active transport
Osmosis
11
What do the 'phloem' tissues in plants transport
Sugars
minerals
Yeast
Water
12
which of these is a reactant in the photosynthesis equation?
water
oxygen
carbon dioxide
glucose

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