Question # 1

hardest matter on the Earth is.

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Lead

Diamond

Brick

Urea

Mathematical form of Ohm's law.

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V = I/R

V = R/I

V = IR

V m/R

An event that occurs during interphase.

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Division of nuclesu

Duplication of chromosomes

Division of cytoplasm

Formation of cell wall

What may be the objectiv eof genetic modifications of plants.

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Production of disease resistant plants

Improvement in nutritional quality of plants.

Production of herbicide resistant plants.

All of these

As we go up in the air.

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Atmospheric pressure increases

Atmospheric pressur edecreases

Atmospheric pressur edoes not change

Atmosphericpressur ebecomes zero at the height of 1 km

All parts of the nervous system. i.e. brain , spinal cord and nerves are made up of.

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CNS

PNS

Neurons

Nerve impulses

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

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O2

H2O

Glucose

Energy

In humna body spinal nerves have pairs.

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12

13

31

32

------------- gas is released when dead organisms are decomposed by the decomposers.

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Oxygen

Carbon dioxide

Nitrogen

Hydrogen

Two equal forces actat the same time on the same stationary object but in the opposite directions. Which statement describes the object's motion.

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The object changes direction

The objet accelerates

The object remains stationary

The object moves at a constant speed

What happens when light hits a shiny or smooth surface.

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It is disappeared

It is refracted

It is absorbed

It is reflected

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