Question

Which of the following is a drawback of formaldehyde biosensor?

(a) Inexpensive

(b) Small and robust

(c) Difficulty in the determination of material in solution

(d) Rapid response

The question was posed to me by my college director while I was bunking the class.

This interesting question is from Optical Biosensors and Piezoelectric Biosensors in division Biosensors of Enzyme Technology

Answer 1

Right answer is (c) Difficulty in the determination of material in solution

For explanation: The major drawback of formaldehyde biosensor is interference from atmospheric humidity which will make it difficult for the determination of material in solution. The advantages are as follows:

* Inexpensive.

* Small and robust.

* Capable of giving a rapid response.