Question # 1

The SI unit of voltage is.

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Watt

Joule

Coulomb

Volt

Draught and excessive...............in the soil also have harmful effects on crop productivity.

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Water

Insects

Salts

Minerals

Star's distance are measured in

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Kilometeres

Miles

Light years

Nauticalmiles

The section of DNA which has information for making a specific protein is called.

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DNA strand

Nucleotide

Chromosomes

Gene

Human nerous system consists of.

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CNS

PNS

Organ system

CNS and PNS

A force of 1800 N is acting on the surface area of 0.06 m2. The pressure exerted by he force will be.

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3 kPa

30 KPa

300 kPa

3000 kPa

A metal

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C

Ne

Cu

C

Mass number is number of.

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Protons

Neutrons

Both a and b

Electrons

An electric circuit is the path along whihc.

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Electron revolve around the nucleus of an atom

Electric charge flows.

Magnetic lines of force move

Electric motors move

It is used for diabetes.

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Vaccines

Interfron

Insulin

Beta -Endorphin

Elements of group 17 are called.

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Carbon family

Noble gases

Nitrogen family

Halogen family

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