Structures and Functions of Life Cells, Tissues, and Organs

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Quiz on Cells

1. What is the fundamental unit of life?

1 point

a) organ

b) cell

c) tissue

d) molecule

Clear selection

2. Which of the following is a characteristic of prokaryotic cells?

1 point

a) They have a nucleus.

b) They are found in plants and animals.

c) They are complex cells.

d) They do not have a nucleus.

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3. What is the name of the jelly-like fluid that surrounds the nucleus and contains the cell's genetic material?

1 point

a) Cytoplasm

b) Plasma membrane

c) Flagellum

d) Pili

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4. Eukaryotic cells are found in which of the following?

1 point

a) Bacteria

b) Plants and animals

c) Only animals

d) Only plants

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5. What is the function of organelles in eukaryotic cells?

1 point

a) They provide a protective layer for the cell.

b) They are dedicated to performing specific functions.

c) They contain the cell's genetic material.

d) They transport substances out of the cell.

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6. Which of the following is common to both prokaryotic and eukaryotic cells?

1 point

a) nucleus

b) Ribosomes

c) Lysosomes

d) endoplasmic reticulum

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7. What is the name of the building blocks of all living organisms?

1 point

a) Organs

b) Tissues

c) Cells

d) DNA

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Cell parts and Cell organelles Functions
Review: Write the letter of the correct answer.

1. The “powerhouse” of the cell is the _____.

a) nucleus b) ribosome

c) chloroplast d) mitochondria

1 point

2. Select which structures organelle is specific in plant cells only but not in animal cell?

ribosome mitochondria

cell membrane plastids

1 point

3. Select which organelle ensures that after cell division each daughter cell has the correct number of chromosomes?

nucleus endoplasmic reticulum

centriole cytoskeleton

1 point

4. Which of the following is true of the nucleus?

Write the letter of the correct answer.

a) The nucleus is the control center of the cell.
b) The nucleus contains all the cell’s DNA.
c) All cells have a nucleus

d) all of the above

1 point

5. Select which organelle may have allowed eukaryotes cells to make food and produce oxygen?

golgi apparatus

central vacuole

plastids

chloroplasts

1 point

6. Select which organelle helps make and transport proteins and lipids. Write the letter of the correct answer.

a) golgi apparatus
b) central vacuole
c) endoplasmic reticulum

d) cytoskeleton

1 point

7. energy-carrying molecule is called adenosine triphosphate or _____. Write the letter of the correct answer.

a) ATP

b) cell wall

c) central vacuole

d) centriole

1 point

8. single-celled organism that lacks a nucleus is called___.

1 point

a) nucleus

b) Eukaryotic cell

c) plasma membrane

d) prokaryotic cell

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9. organism that has cells containing a nucleus and other organelles.

1 point

a) Prokaryotes

b) Eukaryotes

c) non of the above

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10. The genetic information responsible for the development and function of an organism, the hereditary material in humans and almost all other organisms is called ____ cell.

1 point

1. Who are the scientists credited with formulating the cell theory?

1 point

A. Charles Darwin and Gregor Mendel

B. Matthias Schleiden, Theodor Schwann, and Rudolf Virchow

C. Galileo Galilei and Johannes Kepler

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2. What is the basic unit of structure of life according to cell theory?

1 point

A. DNA

B. Organelle

C. Cell

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3. What does the cell theory state about the origin of new cells?

1 point

A. New cells can arise spontaneously from non-living matter.

B. New cells can arise from pre-existing cells.

C. New cells can arise from the combination of chemical elements.

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4. Which of the following is NOT one of the principles of cell theory?

1 point

A. All living organisms are composed of cells.

B. The cell is the basic unit of life.

C. All cells have the same genetic material.

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5. Who discover the cell?

1 point

A. Robert Hooke

B. Matthias Schleiden

C. Theodor Schwann

D. Rudolf Virchow

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Quiz: Levels of Organization in a Human Body

1. According to the image, what is the simplest building block of matter that forms the first level of organization?

1 point

A. Atom

B. Molecule

C. Organ

D. Cell

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2. Based on the information provided, what forms a molecule?

1 point

A. Two or more organs

B. Two or more atoms

C. Two or more organ systems

D. Two or more cells

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3. What is the characteristic of the cellular level of organization? This level is formed by the combination of molecules.

1 point

A. It is the simplest level of matter.

B. It consists of a variety of molecules combined to form a cell.

C. It is formed by two or more organs working together.

D. It is made of different types of tissues.

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4. The cardiac muscle cell is an example of what level of organization?

1 point

A. Chemical level

B. Tissue level

C. Cellular level

D. Organ system level

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5. What is the difference between an organ and a tissue?

1 point

A. A tissue performs a specific function, while an organ does not.

B. An organ is a collection of tissue types, while a tissue is a collection of cells.

C. A tissue is part of the organism level, while an organ is part of the organ system level.

D. An organ is made of molecules, while a tissue is made of atoms.

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6. Circulatory system is an example of?

1 point

A. An organ

B. A tissue

C. An organ system

D. An organism

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7. Based on the Levels of Organization in a Human Body, which of the following represents the correct hierarchical order (the first four levels of organization) from the simplest to the most complex?

1 point

A. Organ system -> Organ -> Tissue -> Cell

B. Atom -> Molecule -> Cell -> Tissue

C. Tissue -> Organ -> Organism -> Cell

D. Molecule -> Atom -> Organ -> Tissue

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Cells in the human body number in the trillions and come in all shapes and sizes. Stem cells have the ability to develop into specialized cells that can be used to build specific organs or tissues. Stem cells can divide and replicate many times in order to replenish and repair tissue, organ transplantation, and for the treatment of disease.

The Cell Quiz: Multiple-choice quiz based on the provided image and text.

1. What is the primary function of red blood cells?

1 point

A) Fighting off pathogens

B) Helping blood to clot

C) Transporting oxygen

D) Sending signals to the brain

Clear selection

2. According to the diagram, what do nerve cells do?

1 point

A) They transport oxygen throughout the body.

B) They form muscle tissue for bodily movement.

C) They aid in the formation of bone.

D) They send signals between the brain and other body organs.

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3. Which of these cells is responsible for providing immunity and destroying pathogens?

1 point

A) Leukocytes (white blood cells)

B) Hepatocytes (liver cells)

C) Thrombocytes (platelets)

D) Osteocytes (bone cells)

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4. The muscle cells form what?

1 point

A) Nerve tissue

B) Bone tissue

C) Muscle tissue

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5. What is a characteristic of a sperm (male sex cell) according to the picture?

1 point

A) They are non-motile.

B) They have tail-like projections called flagella.

C) They are responsible for transporting oxygen.

D) They help with blood clotting.

Clear selection

6. what is a cell?

1 point

A) A tiny organism that lives in the human body

B) The basic building block of all living things

C) A type of tissue that forms an organ

D) A small, circular structure found in the blood

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7. Which type of cell plays an important role in the digestion of food and the absorption of nutrients?

1 point

A) Osteocytes (bone cells)

B) Ovum (female sex cells)

C) Intestinal epithelial cells

D) Hepatocytes (liver cells)

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Quiz: Circle the letter of the correct answer.

Identify the major types of tissue.

1 point

A) Bone, connective, epithelial, and muscle

B) Bone, cartilage, muscle and nervous

C) Connective, epithelial, muscle and nervous

D) Cardiac, connective, epithelial and nervous

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Which of the following is NOT a function of epithelium?

1 point

A) secretion

B) contraction

C) protection

D) absorption

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Identify the function of goblet cells.

1 point

A) Aid in absorption

B) Move materials past cells

C) Secrete mucous

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What type of tissues has the ability to contract, and enable the body to move?

1 point

A) Connective

B) epithelial

C) muscle

D) nervous

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What type of tissues carries electrical messages from brain through the body?

1 point

A) Connective

B) epithelial

C) muscle

D) nervous or nerves

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