Question # 1

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

A symbiotic relationship in whihc both speciesl get benefit is called.

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Commensalism

Hebitate

Mutualism

Symbiosis

An event that occurs during interphase.

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Division of nuclesu

Duplication of chromosomes

Division of cytoplasm

Formation of cell wall

Number of elements in short period is.

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2

8

16

32

Act as instructions to make specific proteins

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Eggs

Gametes

Genes

Protein

Baking soda, calcium carbonate, glycerin, fluorides are usually used for making.

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Soaps

Detergents

Tooth paste

Banaspati ghee

The energy of the Sun in traped as chemical energy by.

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Tertiary consumers

Primary consumers

Producers

Secondary consumers

Peipheral nervous system consist of

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Network of nerves

Spinal cord

Brain

PNS and CNS

An instrument that helps in seeing heavenly objects.

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microscope

Kaleidoscope

Telescope

Periscope

It is made up of interneurons.

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Spinal cord

PNS

CNS

Medulla oblongata.

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