Question # 1

Baking soda , sodium chloride, calcium carbonate and glycerin are usually used for making homemade.

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Bioplastic

Detergent

Tooth paste

Hardwash

Image distance for a virtual image is always taken.

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Zero

+2

Positive

Negative

Neuron or nerve cell is the basic structural and functional unit of.

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PNS and CNS

Nervous stem

Organ system

Spinal cord

A close circuit is the.

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Complete path of electric current

Incomlete path of electric current

Broken path of electric current

None of the above

Na is symbol of.

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Neon

Nitrogen

Sodium

None of these

Sodium hydroxide solution in water will

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Turn blue litmus red

Give pink colour with phenolpthalein

Give red colour with methyl orange.

Not affect the phenolphthalein indicator

The equation in which the number of atoms of each element on both sides are not equal is called.

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Quadratic equation

Unbalanced equation

Balanced equation

Standard equation

An event that occurs during interphase.

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Division of nuclesu

Duplication of chromosomes

Division of cytoplasm

Formation of cell wall

The age of milky way Galaxy is about.

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13.6 billion years

13.4 billion years

13.5 billion years

13.7 bilion years

Carbon cycle and ............. cycle are teh processes in whihc these minerals circulate between the organisms and the environment.

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Hydrogen

Iodine

Oxygen

Nitrogen

Humna brain in enclosed in a bony skull called.

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Medulla oblongata

Cerebellum

Cerebrum

Cranium

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