20776185
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Quiz von Jeffrey Piggott, aktualisiert more than 1 year ago
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Erstellt von Jeffrey Piggott
vor mehr als 4 Jahre
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Frage 1
Frage
Which graph shows most clearly what will happen to the rate of transpiration as humidity increases?
Antworten
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AImage:Q1a (binary/octet-stream)
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BImage:Q1b (binary/octet-stream)
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CImage:Q1c (binary/octet-stream)
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DImage:Q1d (binary/octet-stream)
Frage 2
Frage
The diagram shows a potted plant and the same plant 24 hours later.
What causes the change in the appearance of the plant?
Image:
Q2 (binary/octet-stream)
Antworten
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A Water loss is greater than water uptake.
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B Water moves from the leaves to the stem.
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C Water uptake is equal to water loss.
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D Water uptake is greater than water loss.
Frage 3
Frage
By which process is water lost from a leaf?
Antworten
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A active transport
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B diffusion
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C osmosis
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D photosynthesis
Frage 4
Frage
The lower end of a plant stem is placed in water coloured with red dye. After three hours, the stem is cut as shown in the diagram.
Which labelled region is stained red?
Image:
Q4 (binary/octet-stream)
Antworten
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A
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B
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C
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D
Frage 5
Frage
What is transported in the phloem and what is the direction of transport?
Antworten
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A starch, up and down
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B starch, up only
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C sucrose, down and up
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D sucrose, down only
Frage 6
Frage
In which order does water pass through the cells of a plant, as the water travels from the roots to a leaf?
Antworten
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A mesophyll cells → root hair → root cortex → xylem
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B root cortex → root hair → xylem → mesophyll cells
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C root hair → mesophyll cells → root cortex → xylem
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D root hair → root cortex → xylem → mesophyll cells
Frage 7
Frage
The diagram shows a plant shoot and the same shoot six hours later.
Which change in environmental conditions could cause this change in the shoot?
Image:
Q7 (binary/octet-stream)
Antworten
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A a decrease in available water
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B a decrease in light intensity
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C a decrease in wind speed
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D an increase in humidity
Frage 8
Frage
A celery stalk is placed in a beaker of blue dye. Once the dye reaches the leaves, the stalk is taken out and cut in half.
Which diagram shows the appearance of the cut end of the stalk?
Image:
Q8 (binary/octet-stream)
Antworten
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A
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B
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C
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D
Frage 9
Frage
The diagram shows a cross-section through a plant root.
Q shows the part that is stained red when the root is placed in water containing a red dye.
What is found at Q?
Image:
Q9 (binary/octet-stream)
Antworten
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A guard cells
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B palisade cells
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C phloem
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D xylem
Frage 10
Frage
Some liquid is collected from the xylem in the stem of a plant.
What is present in the liquid?
Antworten
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A cellulose
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B inorganic ions
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C starch
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D sugar
Frage 11
Frage
What is a function of phloem?
Antworten
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A translocation
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B transpiration
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C storage of food
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D support
Frage 12
Frage
The diagram shows part of the trunk of a small tree with a ring of bark removed. Removing the ring of bark takes away phloem but leaves the xylem intact.
What effect will removing the bark have on the two branches?
Image:
Q11 (binary/octet-stream)
Antworten
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A Lower branch = normal growth, leaves normal; Upper branch = normal growth, leaves wilted
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B Lower branch = normal growth, leaves wilted; Upper branch = normal growth, leaves normal
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C Lower branch = reduced growth, leaves normal; Upper branch = normal growth, leaves normal
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D Lower branch = reduced growth, leaves wilted; Upper branch = reduced growth, leaves wilted
Frage 13
Frage
A decrease in which factor normally causes transpiration rate to increase?
Antworten
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A humidity
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B light intensity
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C stomatal opening
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D temperature
Frage 14
Frage
What is the path of water through a plant?
Antworten
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A cortex cells → xylem → stomata → roots
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B root hair → xylem → mesophyll cells → stomata
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C roots → cortex cells → stomata → phloem
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D roots → root hair → stomata → xylem
Frage 15
Frage
The diagram shows two shoots at the start of an experiment on transpiration.
What are the likely readings on the spring balances after three days?
Image:
Q15 (binary/octet-stream)
Antworten
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A shoot X = 30 g; shoot Y = 30 g
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B shoot X = 30 g; shoot Y = 25 g
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C shoot X = 25 g; shoot Y = 30 g
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D shoot X = 25 g; shoot Y = 25 g
Frage 16
Antworten
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A
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B
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C
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D
Frage 17
Frage
The diagram shows how water is lost from a leaf.
By which process is the water lost?
Image:
Q17 (binary/octet-stream)
Antworten
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A osmosis
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B photosynthesis
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C translocation
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D transpiration
Frage 18
Frage
The diagram shows a cross-section through a plant stem.
Q shows the part that is stained red when the stem is placed in water containing a red dye.
What is found at Q?
Image:
Q18 (binary/octet-stream)
Antworten
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A guard cells
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B palisade cells
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C phloem
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D xylem
Frage 19
Frage
The graph shows how the rate of transpiration is affected by X.
What is X?
Image:
Q19 (binary/octet-stream)
Antworten
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A humidity
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B light intensity
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C soil moisture
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D temperature
Frage 20
Frage
Which two substances are transported in the phloem?
Antworten
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A amino acids and protein
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B amino acids and sucrose
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C protein and starch
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D starch and sucrose
Frage 21
Frage
What is a description of transpiration?
Antworten
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A exchange of gases between the leaf and the atmosphere
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B loss of water vapour from the leaves and stems of a plan
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C movement of water from the roots to the leaves
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D movement of water through the cells of the leaf
Frage 22
Frage
The diagram shows the stem of a plant. A strip of the outer tissue including the phloem has been removed.
How is transport in the plant affected?
Image:
Q22 (binary/octet-stream)
Antworten
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A Amino acids and sucrose cannot pass to the roots.
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B Dissolved salts cannot pass to the leaves.
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C Water cannot pass to the leaves.
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D Water cannot pass to the roots.
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