BIOSENSORS AND BIOCHIPS QUIZ

A micro array is an ordered array of microscopic elements on a planer substrate that allows the specific binding of

none of these

both (a) and (b)

gene or gene products

whole genome

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Which of the following technology is used for micro array manufacturing?

Ink jetting

All of these

Photolithography

Contact printing

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When farmers breed new plants they choose the pollen from one variety of plant and place it onto the stigma of another variety of plant. This type of plant breeding is known as

seed collection

cuttings

pollination

selective breeding

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Biochips are made up of

non-conducting molecules inserted into the protein frame work

conducting molecules inserted into the protein frame work

semi-conducting molecules inserted into the protein frame work

any of the above

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Which of the following is correct about micro biosensors?

It is possible to develop disposable transducers for biosensors through mass production

All of these

Implantation in human body and are suitable for in-vivo measurements

Can be integrated on one chip and are useful for measuring various substrates in a small amount of sample solution simultaneously

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What is the size (in kb) of the tobacco chloroplast genome?

325 kilobase

155 kilobase

55 kilobase

375 kilobase

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To qualify as a micro array the analytical device must be

microscopic

planer and specific

all of these

ordered

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Pollination is the process by which plants transfer male sex cells from one plant to another. How does the nucleus of the male cell reach the female cell?

It travels on the legs of bees and sticks to the egg cell

None of these

The pollen grain grows a pollen tube and the nucleus travels down the pollen tube to reach the egg cell

It blows in the wind

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An ordered array is any collection of analytical elements configured in

randomly

rows and columns

none of these

circle

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Hypoxanthine can be measured by

urea sensor

hypoxanthine sensor

alcohol sensor

amorphous silicon ISFET

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