Question # 1

Na is symbol of.

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Neon

Nitrogen

Sodium

None of these

In humans, the eye colour is developed due to the effects of.

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Diet

Environment

Genes

Both a and b

When methane is burnt in air, CO2 and.......... are formed.

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O2

H2O

Glucose

Energy

Type of cell division, whihc take place in all parts of plants and animals is.

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Meiosis

Mitosis

Nuclear division

Cytokinesis

There are ......... types of reflection

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2

3

4

5

Strong alkalis have pH value.

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3 to 7

1 to 2

7 to 13

13 to 14

Section of DNA serving as codes for developing characters in an organism are called.

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Genes

Nucleotdes

Plasmids

Proteins

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

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Heredity

Inheritance

Non-inheritance

Both a and b

International space station was built with the collaborations of ...... countries.

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20

21

18

19

Hydrogen and nitogen are used for teh manufacturing of.

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Benaspati ghee

Oxygen cylinder

Hydrogen flame

Urea

The force acting normally unit area is.

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Strees

Strain

Motion

Pressure

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