Biological Classification Questions

Which one of the following animals is correctly matched with its particular named taxonomic category?

Which one of the following is wrongly matched?

Organisms called Methanogens are most abundant in a:

Which of the following taxonomic categories is more specific than Family but broader than Species?

In which group of organisms the cells walls form two thin overlapping shells which fit together?

How many organisms in the list given below are autotrophs?Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosoma, Porphyra, Wolffia

Which one of the following organisms is scientifically correctly named?

Maximum nutritional diversity is found in the group:

The highest number of species in the world is represented by:

Which statement is WRONG for viruses?

The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorised as:

Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group?

A nitrogen-fixing microbe associated with Azolla in rice fields is:

The cyanobacteria are also referred to as:

Choose the wrong statement:

Cell wall is absent in:

Select the wrong statement.

Chromatophores take part in:

Select the wrong statement:

The structures that help some bacteria to attach to rocks and/or host tissues are:

The imperfect fungi which are decomposers of litter and help in mineral cycling belong to:

Pick up the wrong statement:

Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature?

Which of the following statements is wrong for viroids?

Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the kingdom:

The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the:

One of the major components of cell wall of most fungi is:

Which one of the following is wrong for fungi?

Methanogens belong to:

The thalloid body of a slime mould (Myxomycetes) is known as :

T.O. Diener discovered a:

The bacterium (Clostridium botulinum) that causes botulism is:

What is common about Trypanosoma, Noctiluca, Monocystis and Giardia?

Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread ?A) The temperature of about $25^{\circ }\text{C}$ B) The temperature of about $5^{\circ }\text{C}$ C) Relative humidity of about $5\%$ D) Relative humidity of about $95\%$ E) A shady placeF) A brightly illuminated placeChoose the answer from the following options:

The causative agent of mad-cow disease is a:

Which of the following is a slime mould?

Ergot of rye is caused by a species of:

Two plants can be conclusively said to belong to the same species if they:

Which pair of the following belongs to Basidiomycetes?

Which one of the following statements about mycoplasma is wrong?

Thermococcus, Methanococcus and Methanobacterium exemplify:

Cellulose is the major component of the cell walls of:

In the three-domain system, which statement is true about Archaea?

In the five-kingdom classification, Chlamydomonas and Chlorella have been included in:

Oxygenic photosynthesis occurs in:

Phylogenetic system of classification is based on:

Which one of the following has haplontic life cycle?

Mannitol is the stored food in:

Which of the following is a symbiotic nitrogen fixer?

Virus envelope is known as:

Some hyperthermophilic organisms that grow in highly acidic ($\text{pH }2$) habitats belong to the two groups:

Infectious proteins are present in:

Single-celled eukaryotes are included in:

Algae have cell walls made up of:

One of the free-living anaerobic nitrogen-fixers is: