BIOSENSORS AND BIOCHIPS QUIZ

Hypoxanthine can be measured by

urea sensor

amorphous silicon ISFET

alcohol sensor

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?

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

None of these

It blows in the wind

TRUE ANSWER : ?
YOUR ANSWER : ?

To qualify as a micro array the analytical device must be

ordered

planer and specific

all of these

microscopic

TRUE ANSWER : ?
YOUR ANSWER : ?

Gene banks conserve stocks of

none of these

vegetative material only

seed and vegetative material both

seed only

TRUE ANSWER : ?
YOUR ANSWER : ?

The inosine and hypoxanthine can be determined simultaneously by using

urea sensor

inosine sensor

amorphous silicon ISFET

inosine and hypoxanthine sensor

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following technology is used for micro array manufacturing?

All of these

Ink jetting

Contact printing

Photolithography

TRUE ANSWER : ?
YOUR ANSWER : ?

Microarray analysis involves biological assays based on

small glass chips

filters

purification columns

gels

TRUE ANSWER : ?
YOUR ANSWER : ?

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

new variety

mutation

new species

clone

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

both (a) and (b)

none of these

gene or gene products

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Early ripening

Resistance to disease

Resistance to pests

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

↑