BIOSENSORS AND BIOCHIPS QUIZ

Hypoxanthine can be measured by

amorphous silicon ISFET

alcohol sensor

urea sensor

hypoxanthine sensor

TRUE ANSWER : ?
YOUR ANSWER : ?

Biochips are made up of

conducting molecules inserted into the protein frame work

semi-conducting molecules inserted into the protein frame work

non-conducting molecules inserted into the protein frame work

any of the above

TRUE ANSWER : ?
YOUR ANSWER : ?

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

a virion

a viroid

none of these

a virusoid

TRUE ANSWER : ?
YOUR ANSWER : ?

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

new species

new variety

clone

mutation

TRUE ANSWER : ?
YOUR ANSWER : ?

Microarray analysis involves biological assays based on

filters

gels

purification columns

small glass chips

TRUE ANSWER : ?
YOUR ANSWER : ?

Microarrays are also known as

gene chips

biochips

DNA chips

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?

An ordered array is any collection of analytical elements configured in

rows and columns

circle

randomly

none of these

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YOUR ANSWER : ?

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

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

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

selective breeding

cuttings

seed collection

TRUE ANSWER : ?
YOUR ANSWER : ?

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 blows in the wind

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

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

None of these

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