Plant Diseases Quiz 3 (16 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. How do plants use nitrate ions that are absorbed from the soil.

Correct Answer: C) To make proteins.

2. Which disease is correctly paired with the cause of the disease?

Correct Answer: A) Athlete's foot - fungi.

3. Which of these does not cause plant diseases

Correct Answer: D) Ladybirds.

4. Black sigatoka is an example of a

Correct Answer: D) Fungus.

5. Plants also need nitrates to make proteins. They obtain these from

Correct Answer: B) The soil as nitrate ions.

6. What are the facultative parasites most likely to attack stressed plants?

Correct Answer: A) Fungi.

7. What has sharp mouths that helps it feed on phloem?

Correct Answer: C) Aphids.

8. When a plant responds to a pathogen by signalling all infected cells to induce apoptosis.

Correct Answer: A) Hypersensitive response.

9. Some plants have thorns - what type of defence mechanism is this?

Correct Answer: C) Mechanical.

10. Some glucose is used by plants to produce Cellulose, this is used to

Correct Answer: B) Strengthen cell walls.

11. What is meant by the term stunted growth?

Correct Answer: C) Reduced growth.

12. Which plants are vunerable to black sigatoka?

Correct Answer: B) Banana.

13. Which of the following is a mechanical plant defence?

Correct Answer: B) Thorns and spikes.

14. Which isn't a plant pathogen?

Correct Answer: D) Poisons.

15. Which nutrients are required in relatively large amounts for plant growth?

Correct Answer: B) Nitrogen, phosphorus, potassium, and calcium.

16. Which of the following is the correct definition of autotrophic

Correct Answer: A) Organism that can produce their own food through photosynthesis.