Question # 1

In man the system of gaseous exchange is:

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digestive system

respiratory system

nervous system

excretory system

Scientists prepared human insulin by inserting the insulin gene in bacteria in:

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1970

1978

1990

2002

In every kidney no. of Nephrons is about.

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10 Lac

5 Lac

More than 10 Lac

More than 5 Lac

Which form of nitrogen is taken by the producer of the Ecosystem?

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Nitrogen Gas

Ammonia

Nitrage

Nitrates

The substance used for the treatment, cure, preventiion or diagnosis of disease are clalled;

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Medicinal drugs

Narcotics

Hallucinogens

Sedatives

Inherited characters are called.

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Genes

Traits

Genetics

Fertilization

In ecosystem the role of decomposers is played by

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animals

plants

bacteria and fungi

algae

The latest method of vegetative propagation is:

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Budding

Bulbs

Cuttings

Cloning

Genetically modified organism is called:

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DSS

DHF

DNA

GMO

The loss of water from plant surface in the form of vapours is called.

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Transpiration

Guttation

Excretion

Thermoregulation

Male gametes are called:

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sperms

eggs

testes

ovaries

In a nucleosome, DNA is wrapped around protein named.

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Insulin

Interferon

Histone

Haemoglobin

What waste products are excreted by kidneys?

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Urea, water & salts

Salts, water and carbon dioxide

Urea & Water

Urea & salts.

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