BIOSENSORS AND BIOCHIPS QUIZ

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

mutation

clone

new variety

new species

TRUE ANSWER : ?
YOUR ANSWER : ?

An ordered array is any collection of analytical elements configured in

circle

randomly

rows and columns

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Microarray analysis involves biological assays based on

small glass chips

filters

purification columns

gels

TRUE ANSWER : ?
YOUR ANSWER : ?

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

whole genome

none of these

both (a) and (b)

gene or gene products

TRUE ANSWER : ?
YOUR ANSWER : ?

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

a virusoid

a viroid

a virion

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is correct about micro biosensors?

It is possible to develop disposable transducers for biosensors through mass production

All of these

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

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

325 kilobase

55 kilobase

375 kilobase

155 kilobase

TRUE ANSWER : ?
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The inosine and hypoxanthine can be determined simultaneously by using

inosine sensor

inosine and hypoxanthine sensor

amorphous silicon ISFET

urea sensor

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Resistance to pests

Resistance to disease

Early ripening

All of these

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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

None of these

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

TRUE ANSWER : ?
YOUR ANSWER : ?