Question # 1

The degreee of hotness or coldness is called.

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Thermal contrction

Heat

Thermal Expansion

Temperature

A solution is a

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Homogenous mixture

Heterogeneous mixture

Compound

Equal mixture

The rise of liquid in the thermomeer is due to.

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Evaporation

Contraction

Expansion

Sublimation

Positively charged atom or grouping of atoms is called.

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Anion

Cation

Neutron

Proton

Aerobic respiation takes place in.

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Mitochondria

Chloroplast

Nucleus

Blood vessels

The particle of an atom having negative charge on it.

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Electron

Proton

Neutron

Nucleus

Is the application of scientific knowledge in daily life.

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Irrigation

Salt formation

Brine

Technology

Which is not used in maing mango pickle.

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Mango slices

Table salt

Honey

Turmeric powder

The charge present on atom is

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Positive

Negative

Both a and b

Neutral

-------------- can help certalin bacteria to attach with host cell.

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Flagella

Arm

Pili

DNA

SI unit of time is.

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S

min

hr

all above

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