Which, among the following, are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?
1. Pseudomonas
2. Mycoplasma
3. Nostoc
4. Bacillus
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
Cell wall is absent in
(1) Aspergillus
(2) Funaria
(3) Mycoplasma
(4) Nostoc
The characteristic feature of eubacteria is -
(1) Rigid cell wall
(2) Flagellum in motile ones
(3) Chlorophyll a
(4) all of these
------- mycoplasma are pathogenic in …….
1. Many, animals and plants
2. All, animals and plants
3. All, animals
4. All, plants
The outermost limiting layer of mycoplasma is made up of
(1) cell wall
(2) cell membrane
(3) mucilaginous sheath
(4) slime layer