Question detail
Which of the following is a symptom of infection by the tobacco mosaic virus?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Communicable diseases
Question
- A. Mosaic pattern of leaf discolouration
- B. Fever and abdominal cramps
- C. Thick yellow discharge
- D. Coughing and sneezing
Answer
The correct option is Mosaic pattern of leaf discolouration because it matches the approved biology in Viral diseases within Communicable diseases.
Explanation
The correct option is Mosaic pattern of leaf discolouration because it stays accurate for Viral diseases in Communicable diseases. It matches the approved learning objective about explain that tobacco mosaic virus causes a mosaic pattern of leaf discolouration that reduces photosynthesis and plant growth and avoids the oversimplified distractors.
Common mistake
Misunderstanding the Effects of Tobacco Mosaic Virus
Students often state that tobacco mosaic virus only affects the appearance of leaves without mentioning its impact on photosynthesis.
Emphasize that the virus not only causes a mosaic pattern of leaf discolouration but also significantly reduces photosynthesis and plant growth.
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