Phosphoric acid is tribasic, with pKa of 2.14, 6.86 and 12.4. The ionic form that predominates at pH 3.2 is

TLS Online TPP Program

#Question id: 14411

#Section 2: General Biology

Which of the following does not kill endospores?

TLS Online TPP Program

#Question id: 14412

#Section 2: General Biology

Which of these disinfectants does not act by disrupting the plasma membrane?

TLS Online TPP Program

#Question id: 14413

#Section 2: General Biology

Which of the following cannot be used to sterilize a heat-labile solution stored in a plastic container?

TLS Online TPP Program

#Question id: 14414

#Section 2: General Biology

How Aldehydes work as effective antimicrobial agent?

TLS Online TPP Program

#Question id: 14415

#Section 2: General Biology

Which of the following physical sterilization processes can denature proteins?

1. Boiling

2. Autoclaving

3. Pasteurization

4. Refrigeration

5. Ionizing

Choose the incorrect combination.

TLS Online TPP Program

#Question id: 14416

#Section 2: General Biology

Bacteriostatic and Bactericidal functions can be achieved by