How will the poisonous berries help the deadly nightshade plant to survive?
The poisonous berries help the deadly nightshade plant to survive by deterring herbivores and animals from eating them - AQA - GCSE Biology - Question 5 - 2020 - Paper 1
Question 5
How will the poisonous berries help the deadly nightshade plant to survive?
The poisonous berries help the deadly nightshade plant to survive by deterring herbivor... show full transcript
Worked Solution & Example Answer:How will the poisonous berries help the deadly nightshade plant to survive?
The poisonous berries help the deadly nightshade plant to survive by deterring herbivores and animals from eating them - AQA - GCSE Biology - Question 5 - 2020 - Paper 1
Step 1
How will the poisonous berries help the deadly nightshade plant to survive?
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Answer
The poisonous berries will stop animals and herbivores from eating the plant, thereby allowing it to reproduce and thrive without being consumed.
Step 2
Which type of defence mechanism are the berries?
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Answer
The berries represent a chemical defense mechanism, as they produce toxins that deter herbivores.
Step 3
Suggest how the gorse plant is adapted to defend itself.
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Answer
The gorse plant has thorns, spikes, or prickles which prevent animals and herbivores from eating it.
Step 4
The green leaves of the gorse plant make glucose for the plant to use. What are two uses of glucose in the gorse plant?
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Answer
For respiration.
To store as starch.
Step 5
Describe the method a student could use to test the liquid from the cells for glucose. Include the result if glucose is present.
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Answer
The student should add Benedict's solution (reagent) to the liquid. Then, boil the mixture. If glucose is present, the blue color will change to green, orange, or brick-red depending on the glucose concentration.
Step 6
Explain why nitrate ions are needed by the gorse plant.
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Answer
Nitrate ions are needed by the gorse plant to make proteins and amino acids, which are essential for growth and the synthesis of DNA, ATP, and other important molecules.
Step 7
Suggest how the honey fungus spores travel from the roots of an infected gorse plant to the roots of a healthy gorse plant.
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Answer
The honey fungus spores travel through air spaces in the soil.
Step 8
Which two factors must the doctors test the drug for in the trial?
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Answer
Dosage.
Toxicity.
Step 9
In the trial some patients will take tablets made from gorse seeds and some patients will take tablets made from sugar. What are the tablets made from sugar called?
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