GCSE Biology – Plant diseases

Last updated: 21/03/2021

AQA GCSE Science – Biology higher Infection and response GCSE Biology – Plant diseases

Learning Objectives

-I can describe how a disease can affect a plant
-I can recall how a plant disease can be identified

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Question 1 of 25

1. Question
Which type of pathogen can affect plants?
- All of these answers
- Viruses
- Bacteria
- Fungi
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Question 2 of 25

2. Question
What else can plants be infected by?
- Insects
- Animals
- Mammals
- Humans
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Question 3 of 25

3. Question
If pests are present on a plant, what does the plant have?
- A disease
- A virus
- Discolouration
- Areas of decay
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Question 4 of 25

4. Question
What are insects that cause disease cause?
- Vectors
- Disease causing insects
- Insecticides
- Herbicides
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Question 5 of 25

5. Question
What are aphids?
- Insect plant pests
- Types of plant diseases
- Plant pathogens
- Antibodies
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Question 6 of 25

6. Question
Where do aphids penetrate a plant?
- Phloem
- Xylem
- Stomata
- Guard cells
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Question 7 of 25

7. Question
Can a plant be affected by a virus or fungus?
- Yes – both viruses and fungi
- Yes – only viruses
- Yes – only fungi
- No – neither viruses or fungi
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Question 8 of 25

8. Question
How can we detect a plant disease?
- All of these answers
- Stunted growth
- Spots on leaves
- Areas of decay
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Question 9 of 25

9. Question
How else can we detect a plant disease?
- All of these answers
- Irregular growths
- Malformed stems or leaves
- Discolouration
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Question 10 of 25

10. Question
How can we identify a plant disease?
- By reading a gardening manual or website
- By smelling the plant
- By measuring the plant
- By checking the type of plant
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Question 11 of 25

11. Question
How else can we identify a plant disease?
- Use testing kits that contain monoclonal antibodies
- Use testing kits that contain monoclonal antigens
- Use testing kits that contain polyclonal antibodies
- Use testing kits that contain monoclonal cancers
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Question 12 of 25

12. Question
How else can we identify a plant disease?
- Take infected plants to a lab to identify the pathogen
- Take infected plants to a lab to identify the antibody
- Take unaffected plants to a lab to identify the pathogen
- Take unaffected plants to a lab to identify the tumour
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Question 13 of 25

13. Question
What do spots on the leaves of a plant mean?
- The plant has a disease
- The plant has a fungal infection
- The plant has a virus
- The plant has a cancer
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Question 14 of 25

14. Question
What do plants need mineral ions for?
- Healthy growth
- Respiration
- Death
- Facing the sun
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Question 15 of 25

15. Question
What type of plant disease is caused by not having enough nitrates?
- Deficiency
- Fungus
- Virus
- Pathogen
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Question 16 of 25

16. Question
What do we call a plant that doesn’t have enough of a mineral?
- Deficient
- Sufficient
- Dead
- Alive
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Question 17 of 25

17. Question
What does nitrate deficiency cause?
- Stunted growth
- Quicker growth
- A change in colour
- Pests to cover the plant
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Question 18 of 25

18. Question
What type of plant disease is caused by not having enough magnesium?
- Deficiency
- Virus
- Pathogen
- Fungus
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Question 19 of 25

19. Question
What does magnesium deficiency cause?
- Yellowing of leaves
- Leaves going green
- Leaves going purple
- Stunted growth
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Question 20 of 25

20. Question
What are magnesium ions needed for?
- To make chlorophyll
- To break down mitochondria
- To make energy
- To make cells
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Question 21 of 25

21. Question
Which plant disease causes stunted growth?
- Nitrate deficiency
- Chlorosis
- Magnesium deficiency
- Potassium deficiency
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Question 22 of 25

22. Question
What does stunted growth on a plant mean?
- The plant has a disease
- The plant has a fungal infection
- The plant has a cancer
- The plant has a virus
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Question 23 of 25

23. Question
What does discolouration on a plant mean?
- The plant has a disease
- The plant has a cancer
- The plant has a virus
- The plant has a fungal infection
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Question 24 of 25

24. Question
Which plant disease causes yellowing?
- Magnesium deficiency
- Chlorosis
- Potassium deficiency
- Nitrate deficiency
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Question 25 of 25

25. Question
What is yellowing of leaves called?
- Chlorosis
- Chlorification
- Hydration
- Hydrogenation
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