Question # 1

Irigation has methods.

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One

Two

Three

Four

Growth of microorganisms canbe controlled by

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Dehydration

Drying

Adding preservative

a,b,c all

While preparing pickles, which is not used as preserating agent.

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Honey

Salt

Pepper

Vinegar

Which of the following is used to cheek heart beat and blood pressure.

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Thermometer

Galvanometer

Stethoscope

Ammeter

Is the application of scientific knowledge in daily life.

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Irrigation

Salt formation

Brine

Technology

In which type of irrigation water is distribute through netweork of pipes.

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Drip irrigation

Sprinkle irrigation

Karez

Tube well

Which is not used in the preparation of orange juice.

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Garlic

Orange

Sugar

Water

Irrigation means.

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Supply of waer to land crop

Supply of nutrients

Live stock

Farming

Conservation of water means.

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A using water

Save water

Avoiding water

Wasting water

Which of the following is used to kill germs.

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Acetic acid

Brine

Sanitizrsr

Soda

Which is nto used in the preparation of lemon pickle.

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Lemon

Sugar

Tea leaves

Acetic Acid

Which is not used in maing mango pickle.

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Mango slices

Table salt

Honey

Turmeric powder

Brine water is mixture of

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Salt and sugar

Salt and acetic acid

Salt and water

Salt and alcohol

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