Mycoplasmas

Q.

Which among the following organisms lacks a cell wall throughout its life?

1. Dinoflagelletes

2. Chrysophytes

3. Mycoplasmas

4. Slime molds

Q. Which of the following characteristics of mycoplasma make it resistant to penicillin?

1. Ability to be facultative anaerobes
2. Absence of nucleus
3. Absence of cell wall
4. Presence of nucleoid

Q. Cell wall is absent in

1. Funaria
2. Anabaena
3. Mycoplasma
4. Mucor

Q. Which of the following characteristics of mycoplasma make it resistant to penicillin?

1. Ability to be facultative anaerobes
2. Absence of nucleus
3. Absence of cell wall
4. Presence of nucleoid

Q.

Which of the following is false regarding Cyanobacteria?

1. They are chemosynthetic autotrophs

2. They often form blooms in polluted water bodies

3. Anabaena is an example of this group

4. They have chlorophyll - a similar to green plants