Question 1

Which of the following statements best describes a unique feature of eukaryotic cells compared to prokaryotic cells?

Accepted Answer

Eukaryotic cells contain a nucleus enclosed by a double membrane, while prokaryotic cells lack a true nucleus.

Question 2

Which organelle is responsible for ATP production through aerobic cellular respiration in eukaryotic cells?

Accepted Answer

Mitochondrion

Question 3

A scientist observes a cell with a '9+2' arrangement of microtubules in its locomotory structures. What is the most likely function of these structures?

Accepted Answer

Movement of the cell or movement of substances along the cell surface

Question 4

Which of the following best describes the main difference between the cell walls of bacteria and eukaryotic microorganisms such as fungi and algae?

Accepted Answer

Bacterial cell walls contain peptidoglycan, while eukaryotic cell walls do not.

Question 5

Which of the following is a function of the eukaryotic glycocalyx?

Accepted Answer

Protection, cell recognition, and adhesion

Question 6

Which process involves the uptake of large solid particles by a eukaryotic cell through the plasma membrane?

Accepted Answer

Phagocytosis

Question 7

Which of the following best explains why eukaryotic plasma membranes are more flexible than prokaryotic plasma membranes?

Accepted Answer

Eukaryotic membranes contain sterols such as cholesterol.

Question 8

A cell is observed to have ribosomes attached to its endoplasmic reticulum. What is the primary function of this organelle?

Accepted Answer

Synthesis of proteins for secretion or membrane insertion

Question 9

Which of the following is NOT a function of the Golgi apparatus in eukaryotic cells?

Accepted Answer

Synthesis of ATP

Question 10

Which of the following statements about eukaryotic ribosomes is correct?

Accepted Answer

They are 80S ribosomes, composed of a 60S large subunit and a 40S small subunit.

Question 11

Which of the following best describes the function of peroxisomes in eukaryotic cells?

Accepted Answer

Breakdown of hydrogen peroxide and lipid biosynthesis

Question 12

Which of the following is a key structural difference between eukaryotic and prokaryotic flagella?

Accepted Answer

Eukaryotic flagella have a '9+2' arrangement of microtubules, while prokaryotic flagella do not.

Question 13

Which of the following is a function of the cytoskeleton in eukaryotic cells?

Accepted Answer

Providing structural support, shape, and facilitating intracellular transport

Question 14

Which of the following best describes the genetic material found in mitochondria and chloroplasts?

Accepted Answer

Circular DNA molecules

Question 15

Which of the following is a correct sequence for the movement of a protein from synthesis to secretion in a eukaryotic cell?

Accepted Answer

Rough ER → Transport vesicle → Golgi apparatus → Secretory vesicle → Plasma membrane

Question 16

Which of the following is the main function of the nucleolus in a eukaryotic cell?

Accepted Answer

Ribosomal RNA synthesis and ribosome assembly

Question 17

Which of the following best describes the process of receptor-mediated endocytosis?

Accepted Answer

Uptake of specific molecules after they bind to receptors on the cell surface

Question 18

Which of the following is a major component of fungal cell walls?

Accepted Answer

Chitin

Question 19

Which of the following is true regarding the plasma membrane of eukaryotic cells?

Accepted Answer

It contains sterols that contribute to membrane fluidity.

Question 20

Which of the following best explains why chloroplasts are only found in certain eukaryotic cells?

Accepted Answer

Chloroplasts are required for photosynthesis, which only occurs in plants and algae.

Eukaryotic Cell Structure and Function: Comparison with Prokaryotes

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