Question # 1

In turner's syndrome female have ................. chromosomes .

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46

45

47

22

Which of the following movement requires energy in the form of ATP?

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Diffusion

Osmosis

Active transport

Facilitated diffusion

Magnification of electron microscope is:

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2500 x

250,000 x

25000 x

None

In Pakistan there are about _____________ kinds of plants.

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3000

4000

5000

6000

A.F.A King supported his hypothesis by about ____________ observation.

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10

15

20

25

Chemically synthesized urea is a ____________ fertilizer.

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Organic

Inorganic

Both

None

Which of these materials is not a component of plasma membrane?

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Lipids

Carbohydrates

Proteins

DNA

Which one of these elements has the highest percentage in livhg organisms.

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Carbon

Hydrogen

Oxygen

Nitrogen

Denaturation of enzyme is caused by:

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Increased pH

Decreased pH

Increases in temperature above optimum temperature

Decreases in temperature

Plastids are of ......... types.

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1

2

3

4

Five-kingdom classification of Whittaker was modified by:

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Margulis

Schwarts

E-Chatton

Both A and B

When stomatal opening reduce in sixe, the rate of transpiration ............... .

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Transpiration

Transcription

Translation

Allof above

Which of the followings in not true about the opening and Closing of Stomata?

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Light helps in the opening and closing of stomata

K⁺ ions are responsible for the opening and closing of stomata

The osmosis of water is responsible for the opening and closing of stomata

None for these

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9th Class Biology English Medium KPK Boards Online Mcqs MCQs With Answers

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