Which one of the following statements is wrong?
(1) Golden algae are also called desmids
(2) Eubacteria are also called false bacteria
(3) Phycomycetes are also called algal fungi
(4) Cyanobacteria are also called blue-green algae
One of the major components of cell wall of most fungi is
(1) peptidoglycan
(2) cellulose
(3) hemicellulose
(4) chitin
Which of the following statements is wrong for viroids?
(1) They are smaller than viruses
(2) They cause infections
(3) Their RNA is of high molecular weight
(4) They lack a protein coat
The most abundant prokaryotes helpful to human in making curd from milk and in production of antibiotics are the ones categorized as
1. cyanobacteria
2. archaebacteria
3. chemosynthetic autotrophs
4. heterotrophic bacteria
The cyanobacteria are also referred to as
(1) protists
(2) golden algae
(3) slime moulds
(4) blue-green algae
Which statement is wrong for viruses?
(1) All are parasites
(2) All of them have helical symmetry
(3) They have ability to synthesize nucleic acids and proteins with the help of host cell
(4) Antibiotics have no effect on them
Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group?
(1) Paramecium and Plasmodium belong to the same kingdom as that of Penicillium
(2) Lichen is a composite organism formed from the symbiotic association of an algae and a protozoan
(3) Yeast used in making bread and beer is a fungus
(4) Nostoc and Anabaena are examples of Protista
Maximum nutritional diversity is found in the group
(1) Fungi
(2) Animalia
(3) Monera
(4) Plantae
Organisms called Methanogens are most abundant in a
(1) cattle yard
(2) polluted stream
(3) hot spring
(4) sulphur rock
Which one of the following organisms is not an example of eukaryotic cells?
(1) Escherichia coli
(2) Euglena viridis
(3) Amoeba proteus
(4) Paramecium caudatum