BIOSENSORS AND BIOCHIPS QUIZ

Microbiosensors are based on

ionsensitive field effect transistor

magnetic effect

ions effect

piezoelectric effect

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

seed collection

pollination

cuttings

selective breeding

TRUE ANSWER : ?
YOUR ANSWER : ?

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

new variety

mutation

clone

new species

TRUE ANSWER : ?
YOUR ANSWER : ?

Microarray analysis involves biological assays based on

purification columns

filters

gels

small glass chips

TRUE ANSWER : ?
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Gene banks conserve stocks of

none of these

vegetative material only

seed only

seed and vegetative material both

TRUE ANSWER : ?
YOUR ANSWER : ?

To qualify as a micro array the analytical device must be

microscopic

planer and specific

ordered

all of these

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The inosine and hypoxanthine can be determined simultaneously by using

inosine sensor

amorphous silicon ISFET

urea sensor

inosine and hypoxanthine sensor

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?

None of these

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

TRUE ANSWER : ?
YOUR ANSWER : ?

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

All of these

Early ripening

Resistance to pests

Resistance to disease

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Hypoxanthine can be measured by

alcohol sensor

hypoxanthine sensor

amorphous silicon ISFET

urea sensor

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YOUR ANSWER : ?

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