logo

Learning objective

Explain that tobacco mosaic virus causes a mosaic pattern of leaf discolouration that reduces photosynthesis and plant growth.

Read the explanation, check the common trap, then practise with flashcards and questions.

Start flashcardsTry practice questionsTopic hub

At a glance

0

Flashcards

0

Questions

Topic

Communicable diseases

Subtopic

Viral diseases

Aqa Gcse BiologyInfection and response

Study support

Understand this objective

Quick explanation

Explain that tobacco mosaic virus causes a mosaic pattern of leaf discolouration that reduces photosynthesis and plant growth

  • This point belongs to Communicable diseases, especially Viral diseases.
  • You need to be able to explain that tobacco mosaic virus causes a mosaic pattern of leaf discolouration that reduces photosynthesis and plant growth.
  • The key ideas to know are mosaic, causes, and virus.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

mosaiccausesvirusthattobacco

Why it matters

This objective helps connect Viral diseases to exam-style questions, flashcards, and revision notes for Communicable diseases.

Quick student answer

How do you explain tobacco mosaic virus causes a mosaic pattern of leaf discolouration that reduces photosynthesis and plant growth?

Direct answer

In Biology, this page helps you answer questions about tobacco mosaic virus causes a mosaic pattern of leaf discolouration that reduces photosynthesis and plant growth within Communicable diseases. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are tobacco mosaic virus and photosynthesis reduction.

Key terms

  • tobacco mosaic virus: A widespread plant pathogen that causes a mosaic pattern of leaf discolouration, reducing photosynthesis and plant growth.
  • photosynthesis reduction: The decrease in the process by which plants convert light energy into chemical energy, often due to diseases like tobacco mosaic virus.

Common trap

Misunderstanding the Effects of Tobacco Mosaic Virus: Emphasize that the virus not only causes a mosaic pattern of leaf discolouration but also significantly reduces photosynthesis and plant growth.

Related questions

Try this as a practice card

4 linked

Question 1 of 4

Choose an answer, get feedback, then move sideways through the set.

0 of 4 attempted

Flashcard prompts

Flip through the key recall cards

4 cards

Flashcard 1 of 4

Press Space to flip, arrows to move

Practise next

AnswersFlashcardsMCQ drillPractice testQuestions

Revision tools

Choose how to practise

Back to topic hub
Flashcards0 linked cards
No objective-specific flashcards are cached for this page. Use the topic hub to revise the surrounding flashcards without triggering a frozen-subject DB fallback.Open topic hub
Practice Questions0 linked questions
No objective-specific practice questions are cached for this page. Use the topic question bank to practise nearby curriculum questions without weakening the egress guard.Open topic questions
Revision notestopic notes

Open the full topic revision notes when you are ready to review this objective in context.

Open revision notes

Related learning objectives