BIOSENSORS AND BIOCHIPS QUIZ

Biochips are made up of

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

any of the above

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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

pollination

selective breeding

cuttings

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Microarrays are also known as

all of these

DNA chips

gene chips

biochips

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

a viroid

a virusoid

none of these

a virion

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An ordered array is any collection of analytical elements configured in

circle

none of these

randomly

rows and columns

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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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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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Microbiosensors are based on

piezoelectric effect

ions effect

magnetic effect

ionsensitive field effect transistor

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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

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

None of these

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The inosine and hypoxanthine can be determined simultaneously by using

urea sensor

amorphous silicon ISFET

inosine and hypoxanthine sensor

inosine sensor

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