Question # 1

Irrigation means.

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Supply of waer to land crop

Supply of nutrients

Live stock

Farming

An element with fifteen protons in its atomic nucleus has atomic numebr.

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5

10

15

20

Centigade scale is also called

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Fehrenheti scale

Fake scale

Absolute scale

Celsius scale

The Earth's pull on the objects is called.

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Gravity

Frictional force

Electrostatic force

Magnetic force

When water molecule gain a proton it form

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H+

OH-

H3O

H2O

The outer layer of human skin is

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Endodermis

Cortex

Pitch

Epidermis

The wavelength of red colour is.

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700 nm

800 nm

900 nm

600 nm

The fungal body consist of filaments called.

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Mitochondria

Nucleus

Hyphae

Pili

Wave are of .............. types.

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Two

Three

Four

Five

An empty steel container is sealed and heated, which of the following properties of the gas is likely to increase.

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Mass

Pressure

Volume

Density

The charge present on atom is

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Positive

Negative

Both a and b

Neutral

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