Biological Clas...

Who was the earliest to attempt a more scientific basis for classification?

A distinction between unicellular and multicellular is not possible in case of

Which among the following is not included in the three domains system?

A bacterium capable of tolerating extreme heat, dryness and toxic chemicals is probably having

Genetic material for retrovirus is

Who divided animals into two group based on the presence and absence of red blood cells?

Which Archaebacteria is present in the guts of ruminant animals such as cows and buffaloes?

Naked cytoplasm, multinucleated and saprophytic are the characteristics of

When a fresh water protozoan is placed in marine water----

Identify the cuboidal virus from the following

Which system of classification was developed during Linnaeus time?

A peculiar odour found in marshy areas and cow sheds is of gas produced by

The blue-green algae are also referred as

Plants complete their life cycle in two phase, sporophytic and gametophytic which occurs alternately called

The organism that completely lack a cell wall and are smallest living cell know, can survive without oxygen is

Which of the following organisms were placed together under algae?

The unicellular eukaryotes belongs to kingdom

A capsule is advantageous to a bacterium because

Sexual reproduction is by copulation of male and female followed by embryological development is characteristic feature of

A peculiar group of dual organism which are formed by an association between an alga and a fungus.

Who is called as “Father of taxonomy”

The infectious spore-like stage is seen in

Which one is not a member of kingdom Protista?

Which of the following are likely to be present in deep seawater? 

Which one can be photosynthetic as well as saprophytic in