Biological Clas...

Gram-negative cells stain pink because:

Which of the following regarding protists, in general, is false?

The bacterium Bacillus thuringiensis can withstand heating, dryness, and toxic chemicals that would kill most other bacteria. This indicates that it is probably able to form:

Which of the following facts differentiates the plant virus from other viruses?

Pseudomycelium is a characteristic feature of:

How many kingdoms contain eukaryotes in five kingdom system of classification of R.H Whittaker?

The symbiotic association of fungi and algae is called:   

Common bread mold is:

Plasmogamy is fusion of:

Koch's postulates are related to:

Ergot is caused by:

Which of the following statements is not correct for viruses?

The conditions which would be favoured by thermoacidophiles are:

If the generation time of a bacterium is 40 minutes and a culture containing \(10^7\)cells/ml is grown for 4 hours, then calculate its population after that period.

Oxygenic photosynthesis occurs in

The site of respiration in bacteria is

Amoebiasis is prevented by

The main difference in Gram (+) ve and Gram (-) ve bacteria residues in their