9th Class Biology Short Questions Test With Answer for Biology Full Book

Biology (New Book) 9th Class Biology Urdu Medium Short Question Preparations

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Biology (New Book) 9th Class Biology Urdu Medium Short Question Preparations

Question # 1

What do you mean by Optimum pH.

  • Ans 1: Optimum pH is a measure of how acidic or basic a substance or solution is . It is neasured on pH scale of 0 to 14 with 7 being nautral.
    Enzymes show maximum aactivity at a specific pH. called their optimum pH
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9th Class Biology Short Question Preparation

Here you can prepare 9th Class Biology Urdu Medeium Short Question Preparation. Click the button for 9th Class Biology urdu Medium 100% free full practice test.

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0 9th Class Biology Urdu Medium Chapter 1 Preparation Download PDF Launch Test
0 9th Class Biology Urdu Medium Chapter 2 Preparation Download PDF Launch Test
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