BIOSENSORS AND BIOCHIPS QUIZ

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

All of these

Resistance to pests

Resistance to disease

Early ripening

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 : ?

Hypoxanthine can be measured by

urea sensor

amorphous silicon ISFET

alcohol sensor

hypoxanthine sensor

TRUE ANSWER : ?
YOUR ANSWER : ?

To qualify as a micro array the analytical device must be

ordered

all of these

planer and specific

microscopic

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

An ordered array is any collection of analytical elements configured in

randomly

rows and columns

none of these

circle

TRUE ANSWER : ?
YOUR ANSWER : ?

Gene banks conserve stocks of

seed and vegetative material both

vegetative material only

none of these

seed only

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 : ?
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

selective breeding

cuttings

pollination

seed collection

TRUE ANSWER : ?
YOUR ANSWER : ?

Microarrays are also known as

all of these

gene chips

biochips

DNA chips

TRUE ANSWER : ?
YOUR ANSWER : ?

↑