Question 1

Which of the following is NOT a type of cell modification?

Accepted Answer

Diagonal modifications

Answer

Basal modifications

Answer

Apical modifications

Answer

Lateral modifications

Question 2

All of the following are examples of apical modifications EXCEPT:

Accepted Answer

Hemidesmosomes

Answer

Flagella

Answer

Cilia

Answer

Microvilli

Question 3

Which of the following is NOT a function of basal lamina?

Accepted Answer

Facilitates direct communication between adjacent cells

Answer

Acts as a filter for small molecules

Answer

Helps cells attach to underlying connective tissue

Answer

Provides support to overlying epithelium

Question 4

All of the following are lateral modifications EXCEPT:

Accepted Answer

Stereocilia

Answer

Desmosomes

Answer

Tight junctions

Answer

Gap junctions

Question 5

Which of the following is NOT a characteristic of specialized plant cells?

Accepted Answer

Contain hemoglobin for oxygen transport

Answer

Xylem vessels transport water and minerals

Answer

Root hairs increase absorptive surface

Answer

Guard cells regulate gas exchange

Question 6

Which of the following are functions of cilia?

Question 7

Which of the following are characteristics of microvilli?

Question 8

Which of the following are functions of tight junctions?

Question 9

Which of the following are characteristics of gap junctions?

Question 10

Which of the following are specialized modifications in animal cells?

Question 11

Which type of cell modification is responsible for increasing the surface area for absorption in the small intestine?

Accepted Answer

Microvilli

Answer

Cilia

Answer

Flagella

Answer

Stereocilia

Question 12

What is the main function of hemidesmosomes?

Accepted Answer

Provide strong connection between epithelial cells and basement lamina

Answer

Allow direct passage of molecules between cells

Answer

Facilitate cell locomotion

Answer

Increase surface area for absorption

Question 13

Which specialized plant cell is responsible for regulating gas exchange through stomata?

Accepted Answer

Guard cells

Answer

Root hair cells

Answer

Phloem cells

Answer

Xylem vessels

Question 14

What is the primary function of erythrocytes (red blood cells) in animals?

Accepted Answer

Oxygen transport

Answer

Nerve signal transmission

Answer

Cell division

Answer

Muscle contraction

Question 15

Which of the following is a key characteristic of sperm cells?

Accepted Answer

High motility

Answer

Lack of nucleus

Answer

Ability to perform fertilization

Answer

Presence of chloroplasts

Question 16

Which of the following is TRUE about microvilli?

Accepted Answer

They are composed of actin filaments that are extending parallel toeach other.

Answer

They are composed of microtubules attached to the basal surface of epithelia.

Answer

They are composed of microtubules arranged in circular form.

Answer

They are composed of actin filaments arranged in circular form.

Question 17

What are the similarities between cilia and flagella?

Question 18

The following are examples of specialized structures found in plants

EXCEPT one. Which one is it?

Accepted Answer

Epidermis

Answer

Root hairs

Answer

Xylem vessels

Answer

Guard cells

Question 19

Which of these statements is NOT a function of basal lamina?

Accepted Answer

Transports fluids and ions

Answer

Supports the epithelium

Answer

Filters water and small molecules

Answer

Anchors epithelium to an underlying connective tissue

Question 20

Which of these pairs is incorrectly matched?

Accepted Answer

Adherens junctions – exchange smallmolecules between cells

Answer

Desmosomes – form link orconnection between adjacent cells

Answer

Gap junctions – allow a direct passage of molecules between cells

Answer

Tight junctions – block the flow offluids between cells

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