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GCSE Biology: Practice & Study Guide  /  Science Courses

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Plant Disease & Defenses Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. Thorns are an example of which of the following?

Question 2 2. What is the name for the primary signal in systemic acquired resistance?

Question 3 3. What is the characteristic feature of the hypersensitive response?

Question 4 4. Plants can release all sorts of defensive chemical compounds that act to do which of the following?

Question 5 5. What are pathogens?

Page 2

Question 6 6. Which of the following is an example of a fungal infection?

Question 7 7. What are the symptoms when a plant has an insect infestation?

Question 8 8. If a plant has yellow streaks, which of the following might be the problem?

Question 9 9. When you see scabs on plants, what is a possible problem affecting the plant?

Question 10 10. Diagnose this plant.

Page 3

Question 11 11. Which of the following is a sign of bacterial infections?

Question 12 12. Which of the following symptoms occurs during bacterial infections causing plant tissue to decay?

Question 13 13. Which of the following is a test that can be used to identify an infectious agent in plant disease?

Question 14 14. Which of the following can be caused by a bacterial infection?

Question 15 15. Which of the following is a symptom of viral infections?

Page 4

Question 16 16. 'The movement of water throughout a plant and into the atmosphere is called:

Question 17 17. What are enzymes?

Question 18 18. Plants close their stomata and coil their leaves mainly when placed in ___ situations:

Question 19 19. What does abiotic mean?

Question 20 20. Plants generate specialized proteins that help stop the denaturation of enzymes namely when they are exposed to:

Plant Disease & Defenses Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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