Question # 1

A relationship where two species live together closely is called

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Symbiosis

Predation

Competitor

None of these

The organism whose cells and plasmids are usually used in genetic engineering are.

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Viruses

Bacteria

Algae

Fungi

Law of conservation of mass put forward in.

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1783

1784

1785

1786

How many oxygen atoms are present in onw molecule of Mg(HCO3)2

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2

4

6

8

Before the start of cell division, the parent cell passes through a phase called.

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Prophase

Interphase

Anaphase

Metaphase

Mathematical form of Ohm's law.

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V = I/R

V = R/I

V = IR

V m/R

Speed of light through air is about.

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300000 km/s

250000 km/s

225000 km /s

200000 km /s

The transmission of characteristics from parents to off spring is called.

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Heredity

Inheritance

Non-inheritance

Both a and b

Unit of Resistance is.

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Ampere

Volt

Ohm

Farad

The fine functions of the cell body which receive messages are called.

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Dendrites

AxonNucleus

Inter neuron

An alkali metal

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F

Be

Al

Na

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