QUIZ 1 MCROBIOLOGY

1. In prokaryotes, the hair-like outgrowths which attach to the surface of other bacterial cells are

• Flagella

• Pili

• Capsule

• Plasmids

2.A component of prokaryotic cells:

• Plasma membrane

• DNA

• Cytoplasm

• All of these

3. A difference between eukaryotic and prokaryotic cells is in having

• Ribosomes

• Cell wall

• Nuclear membrane

• None of the above

4. Which of these is a characteristic of prokaryotic cells?

• Absence of cell organelles

• Absence of nucleus

• Presence of 70S ribosomes

• All of these

5. What is the name of the region where double-stranded single circular DNA is found in the prokaryotic cell?

• Protonucleus

• Nucleus

• Nucleoid

• Nucleoplasm

6. The two domains to which prokaryotes are classified into are:

• Bacteria and Protista

• Bacteria and Archaea

• Archaea and Eukarya

• Eukarya and Monera

7.When a water sample from a hot thermal vent was tested, it was found to contain a single-celled organism having a cell wall lacking a nucleus. What is its classification most likely?

• Eukarya

• Fungi

• Protista

• Archaea

8. The flagella of a prokaryotic and eukaryotic cell vary in____________________

• Mode of functioning and location in the cell

• Types of movement and placement in the cell

• Microtubular organization and function

• Microtubular organization and type of movement

9.Which of the following is a prokaryote?

• Amoeba

• Spirogyra

• Bacteria

• Chlamydomonas

10.A prokaryotic bacterial cell does not posses a

• Nuclear membrane

• Histones

• Double stranded DNA

• Both A & B