Archives :- Puzzle Over This !#1

1)  Name the class of bacteria that lack cell wall.

2) ______ Manual of  Systematic Classification is used for Classification of Bacteria.

3)  These special forms of the normal bacterial cells can be transmitted from mother to child .Since it passes through the placental barrier .What are these forms     known as?

4)  These are unicellular eukaryotes with Silica in their cell wall. The cells seem to be made up of the two parts fitted into one another. They have varying patterns of the cell walls when observed microscopically . What are they?

5)  What is the term used to describe infections acquired in a hospital?


1)      Mycoplasma

2)     Bergey’s

3)      L- forms

4)     Diatoms

5 )     Nosocomial Infections.

Puzzle Over This !#2

1)   What do you call a non-living agent that can transmit infectious agents?

2)   Name the process that was first invented for prevention of wine diseases in France.

3)  Toxic Shock Syndrome is caused by this gram positive organism. Name it.

4)  This organism causes a particularly severe form of food poisoning by production of an Endotoxin. It produces a highly heat-resistant  spore which is a common contaminant of canned foods. Name this anaerobic organism.

5)  This disease is also known as Trismus. Name the bacteria that causes it.



2. Pasteurization

3.Staphylococcus aureus

4.Clostridium botulinum

5.Clostridium tetani

Puzzle Over This # 3

1. Who invented PCR (Polymerase Chain Reaction)?

2. Who invented the first Electron microscope?

3. Who invented the simply elegant technique of Electrophoresis?

4. Who is considered as the pioneer of the Gene Sequencing Technique?

5. Who invented the Technique of ELISA (Enzyme linked Immunosorbent Assay)?

  1. Kary Mullis (More….).
  2. Knoll and Ruska (More….)
  3. Oliver Smithies (More….)
  4. Frederick Sanger (More….)
  5. This technique was developed simultaneously and independently by Peter Perlmann and Eva Engvall in Sweden & Anton Schuurs and Bauke van Weemen in The Netherlands (More…….).