Prokaryotic Cells -Multiple Choice Questions Quiz

Question 1: Which of the following is a defining characteristic of prokaryotic cells?

(a) They have a cell membrane
(b) They lack a nucleus
(c) They have membrane-bound organelles
(d) They are only found in animals

Question 2: What is the main component of the cell wall in most prokaryotic cells?

(a) Cellulose
(b) Chitin
(c) Peptidoglycan
(d) Lipids

Question 3: Which of the following structures in prokaryotic cells is responsible for genetic material storage and transfer?

(a) Nucleus
(b) Ribosomes
(c) Plasmids
(d) Endoplasmic reticulum

Question 4: What is the shape of the genetic material (DNA) in prokaryotic cells?

(a) Linear
(b) Circular
(c) Helical
(d) Double-stranded

Question 5: Which of the following is a characteristic feature of prokaryotic cells?

(a) Presence of mitochondria
(b) Presence of a rigid cell wall
(c) Presence of a nucleus
(d) Presence of membrane-bound organelles

Question 6: What is the role of ribosomes in prokaryotic cells?

(a) DNA replication
(b) Energy production
(c) Protein synthesis
(d) Cell division

Question 7: Which structure in prokaryotic cells is involved in locomotion and helps some bacteria move?

(a) Nucleus
(b) Flagella
(c) Endoplasmic reticulum
(d) Mitochondria

Question 8: What is the primary function of the pili (fimbriae) in prokaryotic cells?

(a) Locomotion
(b) Protein synthesis
(c) Attachment to surfaces
(d) DNA replication

Question 9: Which part of a prokaryotic cell is responsible for regulating the movement of substances in and out of the cell?

(a) Cell wall
(b) Plasma membrane
(c) Capsule
(d) Ribosomes

Question 10: Which of the following statements is true regarding prokaryotic cells?

(a) They are usually much larger in size compared to eukaryotic cells.
(b) They have a complex internal structure with numerous organelles.
(c) They lack a plasma membrane.
(d) They are often single-celled organisms without a nucleus.

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Answer key:

Question 1: b

Question 2: c

Question 3: c

Question 4: b

Question 5: b

Question 6: c

Question 7: b

Question 8: c

Question 9: b

Question 10: d