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Biology Class 9

What are chronic diseases?

Why are they more dangerous?

uniboardhub
Asked on 06/02/2026
108 views
1 answers 50 votes
Biology Class 9

Why does chronic illness affect overall health more?

Why does weakness stay longer?

uniboardhub
Asked on 06/02/2026
108 views
1 answers 50 votes
Biology Class 9

What are infectious diseases?

How do they spread?

uniboardhub
Asked on 06/02/2026
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1 answers 50 votes
Biology Class 9

What are non-infectious diseases?

Why can’t they spread?

uniboardhub
Asked on 06/02/2026
108 views
1 answers 50 votes
Biology Class 9

What are pathogens?

Why are they dangerous?

uniboardhub
Asked on 06/02/2026
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1 answers 50 votes
Biology Class 9

Why are viruses difficult to treat?

Why don’t antibiotics work on them?

uniboardhub
Asked on 06/02/2026
109 views
1 answers 50 votes
Biology Class 9

What diseases are caused by bacteria?

Are all bacteria harmful?

uniboardhub
Asked on 06/02/2026
107 views
1 answers 50 votes
Biology Class 9

What diseases are caused by protozoa?

How do they enter the body?

uniboardhub
Asked on 06/02/2026
109 views
1 answers 50 votes
Biology Class 9

How do fungi cause diseases?

Why do they grow in moist areas?

uniboardhub
Asked on 06/02/2026
111 views
1 answers 50 votes
Biology Class 9

What are vectors?

Why are mosquitoes dangerous?

uniboardhub
Asked on 06/02/2026
104 views
1 answers 50 votes
Biology Class 9

Why is clean water important for health?

How does dirty water cause disease?

uniboardhub
Asked on 06/02/2026
107 views
1 answers 50 votes
Biology Class 9

How does air spread diseases?

Why do infections spread faster in crowds?

uniboardhub
Asked on 06/02/2026
105 views
1 answers 50 votes
Biology Class 9

What is immunity?

How does the body protect itself?

uniboardhub
Asked on 06/02/2026
105 views
1 answers 50 votes
Biology Class 9

What is innate immunity?

Is it present from birth?

uniboardhub
Asked on 06/02/2026
104 views
1 answers 50 votes
Biology Class 9

What is acquired immunity?

How does vaccination help?

uniboardhub
Asked on 06/02/2026
107 views
1 answers 50 votes

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