BIOSENSORS AND BIOCHIPS QUIZ

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

none of these

gene or gene products

both (a) and (b)

whole genome

TRUE ANSWER : ?
YOUR ANSWER : ?

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

none of these

a virion

a viroid

a virusoid

TRUE ANSWER : ?
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Gene banks conserve stocks of

none of these

seed and vegetative material both

seed only

vegetative material only

TRUE ANSWER : ?
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Microarray analysis involves biological assays based on

filters

gels

purification columns

small glass chips

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

inosine sensor

urea sensor

inosine and hypoxanthine sensor

amorphous silicon ISFET

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

Early ripening

All of these

Resistance to disease

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

55 kilobase

375 kilobase

325 kilobase

155 kilobase

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

clone

new species

new variety

mutation

TRUE ANSWER : ?
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Microarrays are also known as

gene chips

biochips

DNA chips

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?