16. 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

A. selective breeding
B. pollination
C. seed collection
D. cuttings

17. The inosine and hypoxanthine can be determined simultaneously by using

A. inosine sensor
B. inosine and hypoxanthine sensor
C. amorphous silicon ISFET
D. urea sensor

18. An ordered array is any collection of analytical elements configured in

A. rows and columns
B. randomly
C. circle
D. none of these