BIOSENSORS AND BIOCHIPS QUIZ

Biochips are made up of

non-conducting molecules inserted into the protein frame work

semi-conducting molecules inserted into the protein frame work

any of the above

conducting molecules inserted into the protein frame work

TRUE ANSWER : ?
YOUR ANSWER : ?

Hypoxanthine can be measured by

hypoxanthine sensor

urea sensor

alcohol sensor

amorphous silicon ISFET

TRUE ANSWER : ?
YOUR ANSWER : ?

Microbiosensors are based on

ions effect

ionsensitive field effect transistor

piezoelectric effect

magnetic effect

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Photolithography

Ink jetting

Contact printing

All of these

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

It blows in the wind

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

55 kilobase

375 kilobase

155 kilobase

325 kilobase

TRUE ANSWER : ?
YOUR ANSWER : ?

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

a viroid

a virion

a virusoid

none of these

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 disease

Early ripening

Resistance to pests

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Microarray analysis involves biological assays based on

small glass chips

filters

gels

purification columns

TRUE ANSWER : ?
YOUR ANSWER : ?

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

clone

new variety

new species

mutation

TRUE ANSWER : ?
YOUR ANSWER : ?