Question # 1

Dolphins can hear sound underwater from up to ............ away

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15 km

20 km

25 km

30 km

One gram of glucose produce abut.............. calories of energy .

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3600

3700

3800

3900

The bulb of the thermometer is filled with.

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Oil

Alcohol

Water

Salt

The rise of liquid in the thermomeer is due to.

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Evaporation

Contraction

Expansion

Sublimation

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

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Honey

Salt

Pepper

Vinegar

Which one of the following statements is correct.

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1 m = 1000 km

m/s is the unit of displacement.

N is the unit of force

1 h = 60 s

The temperature of melting ice in Fahrenheit scale is.

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0 oF

32 oF

100 oF

212 oF

A solution is a

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Homogenous mixture

Heterogeneous mixture

Compound

Equal mixture

The opening of air passage in the laryanx is called.

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Trachea

Bronchi

Glottis

Alveoli

Strength of solution depends on the amount of.

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Solute

Solvent

Pressure

Temperature

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

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Flagella

Arm

Pili

DNA

Which of teh following is cation.

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H2

H2O

CO2

NH+4

In .... elements are arranged in order of increasing atomic numbers.

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Group

Period

Orbit

Shell

Value of g on moon is

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1.6 N/kg

16 N /kg

10 N/g

1 N/kg

Chemical formula of Sulphuric Acid.

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HCl

H2SO4

HNO3

CH3COOH

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