Analytical Tools in Biotechnology MCQs

Which of the following is not true about Absorption spectroscopy?

In transmission electron microscopy, electron opacity is greatly enhanced by treating the specimen with

Which of the following is the principle of Golay cell which is used as a detector in IR spectroscopy?

Group I lists spectroscopic methods and Group II lists bimolecular applications of these methods. Match the methods in Group I with the applications in Group II. Group I Group II P. Infrared 1. Identification of functional groups Q. Circular Dichroism 2. Determination of secondary structure R. Nuclear Magnetic Resonance 3. Estimation of molecular weight 4. Determination of 3-D structure

Which one of the following techniques can be used to determine the structure of a 15 kDa globular protein at atomic resolution?

Which of the following has to be computed to determine transmittance and absorbance at various frequencies?

Which of the following is the function of the chopper in Atomic Absorption Spectroscopy?

Which of the following is not a fuel used in flame photometry?

Determine the correctness or otherwise of the following Assertion (A) and the Reason (R). Assertion: MTT assay is used to determine cell viability based on the principle of color formation by DNA fragmentation. Reason: MTT assay is used to determine cell viability based on the color development by converting tetrazolium soluble sail to insoluble salt.