BIOSENSORS AND BIOCHIPS QUIZ

Hypoxanthine can be measured by

urea sensor

hypoxanthine sensor

alcohol sensor

amorphous silicon ISFET

TRUE ANSWER : ?
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An ordered array is any collection of analytical elements configured in

none of these

circle

randomly

rows and columns

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Microbiosensors are based on

piezoelectric effect

ionsensitive field effect transistor

ions effect

magnetic effect

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Biochips are made up of

any of the above

non-conducting molecules inserted into the protein frame work

semi-conducting molecules inserted into the protein frame work

conducting molecules inserted into the protein frame work

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

gene or gene products

none of these

whole genome

both (a) and (b)

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To qualify as a micro array the analytical device must be

all of these

microscopic

planer and specific

ordered

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

clone

new variety

new species

mutation

TRUE ANSWER : ?
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Gene banks conserve stocks of

vegetative material only

seed and vegetative material both

none of these

seed only

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

a viroid

a virion

a virusoid

none of these

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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

It blows in the wind

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

None of these

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