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Biology Class 9

Sources of irrigation

Name two sources of irrigation.

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

Why do muscle cells have more mitochondria?

Does energy demand affect organelles?

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

Modern irrigation

Give an example of modern irrigation method.

uniboardhub
Asked on 06/02/2026
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Biology Class 9

What is the role of ribosomes?

How are proteins made?

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

Crop protection

What is crop protection?

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

Why is the endoplasmic reticulum important?

What happens if it stops working?

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

Weeds

What are weeds?

uniboardhub
Asked on 06/02/2026
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Biology Class 9

What is the function of the Golgi apparatus?

Why is it called the post office of the cell?

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

Weed control

Name one method of weed control.

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

Why are lysosomes called suicide bags?

Can a cell digest itself?

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

Pest damage

How do pests damage crops?

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

What is a vacuole and why is it larger in plant cells?

Why do plants need big vacuoles?

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

Biological control

What is biological control of pests?

uniboardhub
Asked on 06/02/2026
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Biology Class 9

What is the cell wall made of and why is it important?

Why don’t animal cells have it?

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

Storage losses

What causes loss of grains during storage?

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

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