BIOSENSORS AND BIOCHIPS QUIZ

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

155 kilobase

55 kilobase

375 kilobase

325 kilobase

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To qualify as a micro array the analytical device must be

ordered

microscopic

all of these

planer and specific

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Single stranded circular RNA encapsidated with a larger RNA in a plant virus is

a virion

none of these

a virusoid

a viroid

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Hypoxanthine can be measured by

amorphous silicon ISFET

urea sensor

hypoxanthine sensor

alcohol sensor

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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

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

All of these

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

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Microarray analysis involves biological assays based on

gels

filters

small glass chips

purification columns

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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

pollination

seed collection

selective breeding

cuttings

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Which of the following adaptations would it be desirable for a farmer to breed into a crop of wheat?

Early ripening

All of these

Resistance to pests

Resistance to disease

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Biochips are made up of

semi-conducting molecules inserted into the protein frame work

conducting molecules inserted into the protein frame work

any of the above

non-conducting molecules inserted into the protein frame work

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

Contact printing

Ink jetting

Photolithography

All of these

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