Structures That Assist in Bacterial Motility

Q.

Are bacteria multicellular?

Q. The arrangement of microtubules regarding the structure of cilia/flagella is

1. 9+0
2. 9+2
3. 9+1
4. 11+0

Q.

Can bacteria survive without a cell wall?

Q.

Are pili and fimbriae mainly involved in the motility of bacterial cells?

Q.

Is Spirulina prokaryotic or eukaryotic?

Q. The characteristics of plasmids are

1. resistance to antibiotics
2. bacterial transformation
3. infoldings of cell membrane
4. resistance to antibiotics and bacterial transformation

Q. Which statement is NOT true about bacterial anatomy?

1. The cell wall is located outside of the plasma membrane.
2. The glycocalyx sheath is located inside the cell wall.
3. There may be small rings of accessory DNA called plasmids.
4. Bacteria may have fimbriae that help attach the bacteria to other structures.

Q. What term refers to the fine, hairlike bristles that aid in adhesion in prokaryotic organisms?

1. Flagella
2. Pili
3. Fimbriae
4. Glycocalyx

Q.

The prokaryotic flagella possess:

1. Unit membrane-enclosed fiber

2. Protein membrane-enclosed fiber

3. 9+2 membrane-enclosed fiber

4. Helically arranged protein molecule

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

1. Holdfast
2. Rhizoids
3. Fimbriae
4. Mesosomes

Q. Bacterial flagella that do not show ATPase activity and 9 + 2 organization are chemically made up of

1. Flagellin
2. Pilin
3. Bacterin
4. Tubulin

Q. The condition of having a single flagellum at one end of a bacterium is

1. Peritrichous
2. Amphitrichous
3. Lophotrichous
4. Monotrichous

Q. The figure depicts the structure of a microorganism.​
(ii) Label the parts 1 to 4.​
​

Q. Conjugation was first discovered in

1. Salmonella
2. E. coli
3. Streptococus
4. Bacillus subtilis

Q. Pilus is the appendage required for bacterial ________.

1. Cell division
2. Conjugation
3. Movement
4. None of the above

Q. Select the wrong statement

1. Mycoplasma is a wall less microorganism
2. Cyanobacteria lack flagellated cells
3. Bacterial cell wall is made up of peptidoglycan
4. Pili and fimbriae are mainly involved in motility of bacterial cells.

Q. Select the wrong statement.

1. Bacterial cell wall is made up of peptidoglycan
2. Mycoplasma is a a wall-less microorganism
3. Pili and fimbriae are mainly involved in motility of bacterial cells
4. Cyanobacteria lack flagellated cells

Q.

Label the parts of the flagellum in the bacterial cell:

1. 1 = Filament, 2 = Hook, 3 = Basal body
2. 1 = Basal body, 2 = Hook, 3 = Filament

3. 1 = Hook, 2 = Basal Body, 3 = Filament

4. 1 = Filament, 2 = Basal body, 3 = Hook

Q.

The prokaryotic flagella possess:

1. Unit membrane-enclosed fiber

2. Protein membrane-enclosed fiber

3. 9+2 membrane-enclosed fiber

4. Helically arranged protein molecule

Q. Pilus is the appendage required for bacterial ________.

1. Cell division
2. Conjugation
3. None of the above
4. Movement

Q.

Label the parts of the flagellum in the bacterial cell:

1. flagella

2. fimbriae

3. Pili

4. pilin