Biological Clas...

Which of the following is the only group of organisms capable of using inorganic compounds as source of energy :–

Which of the following lacks peptidoglycan in their cell walls :–

Which of the following bacteria lack a cell wall and are therefore resistant to penicillin?

Which structure of prokaryotes is analogous to lysosome :–

True sexual reproduction absent in :–

Which of the following performs respiration with the help of plasma membrane :–

Which of the following connect the primary and secondary processes of photosynthesis?

Richest source of bacteria is : -

Which bacteria are responsible for producing methane in bio-gas fermenter :-

Moneran phylogeny is best evidenced by sequence of nucleotides in RNA of ribosomes. On the basis of this information, the most primitive monerans are :-

Which of the following division found in prokaryotic cell :-

Which of the following structure is not found in prokaryotic cells :-

Which is not present in prokaryotes :-

Bacterial chromosome is

Which of the following is an exception of monera kingdom -

Mesosomes are found in :-

Prokaryotic smallest cell is :-

Organisms which obtain energy by the oxidation of reduced inorganic compounds are called

Which bacteria are utilized in Gober gas plant :-

Site of respiration in bacteria is

Plasmid are

A free living anaerobic bacterium capable of fixing nitrogen is

Wine turns sour because of

Which one of the following fixes CO₂ in to carbohydrates

Antibiotics cure disease by

Pure culture of  bacteria was first obtained by

When milk is heated at 62⁰C for 30 minute and then cooled the process is called

Antibiotics are mostly obtained from

The main difference between Gram positive and gram negative resides in the composition of:

Free living nitrogen-fixing bacteria are found in