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The drawing shows a leaf from a tobacco plant that has tobacco mosaic disease - OCR Gateway - GCSE Biology - Question 10 - 2020 - Paper 2
Question 10
The drawing shows a leaf from a tobacco plant that has tobacco mosaic disease. What type of pathogen causes tobacco mosaic disease in plants? A. Bacterium B. Fungu... show full transcript
Worked Solution & Example Answer:The drawing shows a leaf from a tobacco plant that has tobacco mosaic disease - OCR Gateway - GCSE Biology - Question 10 - 2020 - Paper 2
Step 1
What type of pathogen causes tobacco mosaic disease in plants?
Answer
Tobacco mosaic disease is caused by a virus. Specifically, it is associated with the Tobacco mosaic virus (TMV), which infects the tobacco plant and is known for creating the characteristic mottling and discoloration on the leaves. Therefore, the correct answer is:
D. Virus