Question # 1

The organisms upon whihc a redator feeds are called.

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Prey

Carnivores

Herbivores

Producers

Zygote is formed by the fusion of.

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Two sperm cells

Two egg cells

Two somatic cells

Sperm cell andegg cell

These salts are responsible for preventing heart attacks.

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Salts of sodium

Salts of calcium

Salt of potassium

Salt of Magnesium

........ are the functional units of the kidneys.

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Renal cortex

Nephrons

Renal medulla

Renal pyramids

It is used for diabetes.

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Vaccines

Interfron

Insulin

Beta -Endorphin

Thermal decompositionof calcium carbonate produces a gas.

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Oxygen

Carbon di oxide

Nitrogen

Carbon monoxide

A microphone converts mechanical wave energy into.

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Video signals

Ausio and video signals

Audio signals

None of these

Each datugher DNA contains one new strand and one strand of ........... DNA.

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Parent

Sister

Daughter

Grand parents

The SI unit of voltage is.

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Watt

Joule

Coulomb

Volt

A food chain starts from the..........

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Primary carnivores

Herbivores

Producers

Top carnivores

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