BIOSENSORS AND BIOCHIPS QUIZ

An ordered array is any collection of analytical elements configured in

randomly

none of these

rows and columns

circle

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

Photolithography

Ink jetting

All of these

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

selective breeding

seed collection

pollination

cuttings

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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?

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

None of these

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

It blows in the wind

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Microbiosensors are based on

piezoelectric effect

ionsensitive field effect transistor

ions effect

magnetic effect

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Hypoxanthine can be measured by

urea sensor

hypoxanthine sensor

amorphous silicon ISFET

alcohol sensor

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When a gardener takes a cutting from a plant, indicating that he has made a

mutation

new variety

clone

new species

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Biochips are made up of

any of the above

semi-conducting molecules inserted into the protein frame work

conducting molecules inserted into the protein frame work

non-conducting molecules inserted into the protein frame work

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

375 kilobase

55 kilobase

155 kilobase

325 kilobase

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

both (a) and (b)

none of these

gene or gene products

whole genome

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