Question # 1

____________ hydrogen bonds are present between cytosine and guanine:

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2

3

4

5

The cells of cartilage are called:

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Chondrocytes

Osteocytes

Collagen

Osteo clast

The waste products secreted by kidneys contains.

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Urea, water and salts

Salts, water and carbon dioxide

Urea and water

Urea and salts

Organisms in the ecosystem that are responsible for the recycling of plant and animal wastes are:

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Consumers

Producers

Decomposer

Competitors

During binary fission, how many cells are formed?

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Two daughter cells

Four cells

Many cells

All of these

For which purpose antobiotics are use:

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For virul infections

For treatment of becterial infection

Against infection

A and B both

Sedation thinking can develop by using for a long time.

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Sedatives

Morphine

Antibiotics

Merijuana

Where does the gaseous exchange occur in humans:

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Pharynx

Larynx

Trachea

Epiglottis

When the complete map of human genome was published.

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2002

2001

2005

1902

How many genotypes are possible for the allele ''A'' and ''a'' ?

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two

three

four

seven

Example of discontinuous variation is:

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Blood group

Height in Man

Intelligence

None of these

It is not a disorder of skeletal muscle:

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arthritis

osteoporosis

tatney

osteo-arthritis

Reduce the possibility of infection on skin :

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Disinfectants

Antibiotics

Antiseptic

Digitalis

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