I: | completely lack a cell wall |
II: | are the smallest living cells known |
III: | can survive without oxygen |
1. | Only I and II are true |
2. | Only I and III are true |
3. | Only II and III are true |
4. | All I, II and III are true |
A: | Locomote by means of a flagellum |
B: | Have a rigid cell wall |
C: | Do not have chloroplast |
One of the major compounds of the cell wall of most fungi is:
1. | peptidoglycan | 2. | cellulose |
3. | hemicelluloses | 4. | chitin |
Viruses are non-cellular organisms but replicate themselves once they infect the host cell. To which of the following kingdom do viruses belong?
1. Monera
2. Protista
3. Fungi
4. None of the above
T.O. Diener discovered a
1. | free infectious RNA | 2. | free infectious DNA |
3. | infectious protein | 4. | bacteriophage |
Bacteriophages are:
1. | Bacteria infecting ss RNA viruses |
2. | Bacteria infecting ds RNA viruses |
3. | Viruses that infect bacteria and generally have ds DNA |
4. | Viruses that infect bacteria and generally have ds RNA |
The structure shown in the given figure represents:
1. | the newest version of a Bluetooth speaker by Amazon |
2. | the soap case like cell wall of a diatom |
3. | cellulosic plates in the walls of dinoflagellates |
4. | pellicle in the wall of euglenoids |