Question # 1

A student pushes against a tree with a force of 10 newtons. The tree does not move. What is the amount of force exerted by the treen on the student.

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0

5 N

10 N

20 N

بائیو پلاسٹک بنی ہوتی ہے.

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فیٹس

گلوکوز

پروٹین

سٹارچ

An instrument that helps in seeing heavenly objects.

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microscope

Kaleidoscope

Telescope

Periscope

A food chain starts from the..........

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Primary carnivores

Herbivores

Producers

Top carnivores

Strong alkalis have pH value.

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3 to 7

1 to 2

7 to 13

13 to 14

During the combustion of fossil fuel. Which gas is ener the atmosphere.

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Nitrogen

Oxygen

Carbon di oxide

Hydrogen

Which of the following is non-magnetic substace

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iron

Steel

Silver

Nickel

Hypertension is coused by.

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Low B.P

Lower Sugar

High B.P

Higher sugar

Toothpaste is a ........ paste like material used for cleaning and polisheing teeth.

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Liquid

Gas

Semi -Solid

Solid

The organism whose cells and plasmids are usually used in genetic engineering are.

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Viruses

Bacteria

Algae

Fungi

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