Quiz about Exploring Cell Structure and Function

Question 1

What is the basic unit of life in all living things?

Accepted Answer

Cell

Answer

Atom

Answer

Tissue

Answer

Organ

Question 2

Which organelle is responsible for producing energy in the form of ATP in eukaryotic cells?

Accepted Answer

Mitochondrion

Answer

Nucleus

Answer

Ribosome

Answer

Chloroplast

Question 3

What is the main function of the cell membrane?

Accepted Answer

Controlling what enters and leaves the cell

Answer

Producing proteins

Answer

Storing genetic information

Answer

Providing energy

Question 4

Which of the following is found in plant cells but not in animal cells?

Accepted Answer

Cell wall

Answer

Mitochondria

Answer

Nucleus

Answer

Ribosome

Question 5

Which structure forms the boundary of the cell and is described by the fluid-mosaic model?

Accepted Answer

Cell membrane

Answer

Cell wall

Answer

Nucleus

Answer

Cytoplasm

Question 6

Which type of cell does NOT have a nucleus?

Accepted Answer

Prokaryotic cell

Answer

Plant cell

Answer

Animal cell

Answer

Eukaryotic cell

Question 7

Which organelle is responsible for photosynthesis in plant cells?

Accepted Answer

Chloroplast

Answer

Mitochondrion

Answer

Ribosome

Answer

Lysosome

Question 8

Which of the following best describes a tissue?

Accepted Answer

A group of similar cells working together

Answer

A single cell

Answer

A group of organs

Answer

A group of organelles

Question 9

Which of the following is a function of ribosomes?

Accepted Answer

Making proteins

Answer

Producing energy

Answer

Storing water

Answer

Digesting waste

Question 10

Which part of the cell contains the genetic material (DNA)?

Accepted Answer

Nucleus

Answer

Cytoplasm

Answer

Cell wall

Answer

Vacuole

Question 11

A student observes a cell under a microscope and sees a large central vacuole and a square-like shape. What type of cell is this most likely?

Accepted Answer

Plant cell

Answer

Animal cell

Answer

Bacterial cell

Answer

Fungal cell

Question 12

Given a diagram of a cell, how would you identify the nucleus?

Accepted Answer

By finding the large, round structure usually near the center

Answer

By finding the structure that controls what enters and leaves the cell

Answer

By finding the green structures

Answer

By finding the rigid outer layer

Question 13

If a cell has no membrane-bound organelles, what type of cell is it?

Accepted Answer

Prokaryotic cell

Answer

Plant cell

Answer

Animal cell

Answer

Eukaryotic cell

Question 14

How does the structure of the phospholipid bilayer help the cell membrane function?

Accepted Answer

It allows selective movement of substances in and out of the cell

Answer

It makes the membrane rigid

Answer

It stores energy for the cell

Answer

It produces proteins

Question 15

Which of the following best explains why multicellular organisms have specialized cells?

Accepted Answer

To perform different functions efficiently

Answer

To make the organism larger

Answer

To reproduce faster

Answer

To use less energy

Question 16

A scientist discovers a new organism made of only one cell. Which term best describes this organism?

Accepted Answer

Unicellular

Answer

Multicellular

Answer

Tissue

Answer

Organ

Question 17

A student is given a diagram of a cell and asked to identify the organelle responsible for protein synthesis. What should the student look for?

Accepted Answer

Small dots, either floating freely or attached to the endoplasmic reticulum

Answer

Large, green structures

Answer

A rigid outer layer

Answer

A large, central vacuole

Question 18

A group of students is planning an experiment to test how different substances move across the cell membrane. What should they consider when designing their experiment?

Accepted Answer

The size and charge of the molecules

Answer

The color of the substances

Answer

The shape of the cell

Answer

The number of organelles

Question 19

A researcher is comparing two cells: one with a cell wall and chloroplasts, and one without. What can the researcher conclude about these cells?

Accepted Answer

The cell with a cell wall and chloroplasts is a plant cell; the other is an animal cell

Answer

Both are animal cells

Answer

Both are prokaryotic cells

Answer

Both are unicellular organisms

Question 20

Which of the following organelles is responsible for packaging and transporting proteins within the cell?

Accepted Answer

Golgi apparatus

Answer

Nucleus

Answer

Lysosome

Answer

Ribosome

Question 21

What is the main difference between eukaryotic and prokaryotic cells?

Accepted Answer

Eukaryotic cells have a nucleus; prokaryotic cells do not

Answer

Prokaryotic cells have mitochondria; eukaryotic cells do not

Answer

Eukaryotic cells lack DNA; prokaryotic cells have DNA

Answer

Prokaryotic cells are always multicellular

Question 22

Which organelle is responsible for transporting proteins from the endoplasmic reticulum to other parts of the cell or out of the cell?

Accepted Answer

Golgi apparatus

Answer

Nucleus

Answer

Chloroplast

Answer

Ribosome

Question 23

Which of the following is a function of the cell wall in plant cells?

Accepted Answer

Providing structural support

Answer

Producing energy

Answer

Storing genetic material

Answer

Making proteins

Question 24

Which organelle is responsible for storing water, nutrients, and waste in plant cells?

Accepted Answer

Central vacuole

Answer

Nucleus

Answer

Mitochondrion

Answer

Ribosome

Question 25

A cell is observed to have a cell wall, a cell membrane, and chloroplasts. What type of cell is it?

Accepted Answer

Plant cell

Answer

Animal cell

Answer

Bacterial cell

Answer

Fungal cell

Question 26

If a cell is missing its ribosomes, what process would be directly affected?

Accepted Answer

Protein synthesis

Answer

Energy production

Answer

DNA replication

Answer

Photosynthesis

Question 27

Which of the following best describes the fluid-mosaic model of the cell membrane?

Accepted Answer

A flexible layer with proteins embedded in a sea of lipids

Answer

A rigid, static structure

Answer

A solid wall of cellulose

Answer

A double layer of DNA

Question 28

A multicellular organism has specialized cells that form tissues, which then form organs. What is the next level of organization?

Accepted Answer

Organ system

Answer

Molecule

Answer

Organelle

Answer

Atom

Question 29

A student is given a diagram of a plant cell and asked to identify the chloroplast. What should the student look for?

Accepted Answer

Small, round, green structures

Answer

Large, clear, central structure

Answer

Thick, outermost layer

Answer

Small dots on the endoplasmic reticulum

Question 30

Which of the following correctly identifies the types of organisms that are prokaryotic and eukaryotic?

Accepted Answer

Bacteria are prokaryotic; animals, plants, fungi, and protists are eukaryotic

Answer

Bacteria are eukaryotic; plants are prokaryotic

Answer

Animals are prokaryotic; fungi are eukaryotic

Answer

Only viruses are prokaryotic

Question 31

Which organelle is responsible for modifying, sorting, and packaging proteins and lipids for storage or transport out of the cell?

Accepted Answer

Golgi apparatus

Answer

Endoplasmic reticulum

Answer

Nucleus

Answer

Lysosome

Question 32

What is the function of the endoplasmic reticulum (ER) in a cell?

Accepted Answer

Synthesizing proteins and lipids

Answer

Producing energy

Answer

Storing water

Answer

Digesting waste

Question 33

Which structure in plant cells is responsible for maintaining cell shape and preventing excessive water intake?

Accepted Answer

Cell wall

Answer

Nucleus

Answer

Ribosome

Answer

Lysosome

Question 34

What is the main function of the nucleolus found inside the nucleus?

Accepted Answer

Producing ribosomes

Answer

Storing water

Answer

Controlling cell division

Answer

Digesting waste

Question 35

Which organelle is a network of membranes involved in protein and lipid synthesis, and can be either rough or smooth?

Accepted Answer

Endoplasmic reticulum

Answer

Mitochondrion

Answer

Golgi apparatus

Answer

Vacuole

Question 36

Which organelle is responsible for breaking down old cell parts and large molecules in animal cells?

Accepted Answer

Lysosome

Answer

Nucleus

Answer

Chloroplast

Answer

Ribosome

Question 37

What is the main structural difference between rough and smooth endoplasmic reticulum?

Accepted Answer

Rough ER has ribosomes on its surface; smooth ER does not

Answer

Smooth ER has ribosomes; rough ER does not

Answer

Rough ER is found only in plant cells

Answer

Smooth ER is found only in animal cells

Question 38

Which organelle is responsible for converting sunlight into chemical energy in the form of glucose?

Accepted Answer

Chloroplast

Answer

Mitochondrion

Answer

Ribosome

Answer

Nucleus

Exploring Cell Structure and Function

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