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Characteristics of Cells
Chemistry of Life
Cell Structure & Function
Levels of Cellular Organization
Homeostasis and Cell Processes
100
  1. Which of the following is the basic unit of life?
  • A) Organ
  • B) Cell
  • C) Tissue
  • D) Organism

b. cell

100
  1. What are molecules made of?
  • A) Cells
  • B) Atoms
  • C) Organs
  • D) Tissues

b. atoms 

100
  1. Which type of cell has a nucleus?
  • A) Prokaryotic
  • B) Eukaryotic
  • C) Both
  • D) Neither
  • B) Eukaryotic
100

Which is the correct order of structural organization from smallest to largest?

  • A) Organ, tissue, cell, organ system
  • B) Cell, tissue, organ, organ system
  • C) Tissue, organ, cell, organ system
  • D) Organ system, organ, tissue, cell
  • B) Cell, tissue, organ, organ system
100

What is homeostasis?

A) Keeping a stable internal environment

B) Cell division

C) Transport of molecules

D) Response to environment

A) Keeping a stable internal environment

200
  1. What does the cell theory state?
  • A) All cells come from other cells
  • B) Cells are the smallest living things
  • C) All living things are made of cells
  • D) All of the above

d. all of the above 

200
  1. Which is NOT one of the six most common elements in living things?
  • A) Carbon
  • B) Hydrogen
  • C) Iron
  • D) Oxygen

c. iron

200
  1. What controls what enters and leaves a cell?
  • A) Cytoskeleton
  • B) Nucleus
  • C) Cell membrane
  • D) Mitochondria
  • C) Cell membrane
200
  1. What is the relationship between structure and function in tissues and organs?
  • A) The structure of tissues and organs helps them perform specific functions
  • B) Structure doesn’t affect function
  • C) Function changes the structure randomly
  • D) They have no relationship

A) The structure of tissues and organs helps them perform specific function

200
  1. Why do cells divide?
  • A) To grow and replace damaged cells
  • B) To produce energy
  • C) To move nutrients
  • D) To keep warm
  • A) To grow and replace damaged cells
300
  1. Which of these organisms is unicellular?
  • A) Human
  • B) Frog
  • C) Amoeba
  • D) Dog

c. amoeba 

300
  1. Why are nutrients important for organisms?
  • A) They provide energy and building blocks for cells
  • B) They make organisms move
  • C) They help organisms breathe
  • D) They protect organisms from sunlight

c. they help organisms breathe

300
  1. What is the function of organelles?
  • A) To perform specific jobs inside the cell
  • B) To protect the cell from viruses
  • C) To make the cell larger
  • D) To join cells together
  • A) To perform specific jobs inside the cell
300
  1. How do organs help cells?
  • A) By delivering nutrients and oxygen and removing waste
  • B) By dividing cells faster
  • C) By making cells larger
  • D) By creating new cells
  • A) By delivering nutrients and oxygen and removing waste
300
  1. What is the cell cycle?
  • A) The path cells travel
  • B) The process of cell growth and division
  • C) The movement of molecules inside the cell
  • D) The production of energy

 b. The process of cell growth and division

400
  1. Which part is found in all cells?
  • A) Chloroplast
  • B) Nucleus
  • C) Cell membrane
  • D) Mitochondria

c. cell membrane

400
  1. Which is NOT one of the four main types of molecules found in cells?
  • A) Proteins
  • B) Carbohydrates
  • C) Plastics
  • D) Lipids

c. plastics

400
  1. Which organelle is found in plant cells but NOT animal cells?
  • A) Mitochondria
  • B) Chloroplast
  • C) Nucleus
  • D) Ribosome
  • B) Chloroplast
400
  1. Which of the following is NOT a level of structural organization?
  • A) Organ system
  • B) Organ
  • C) Element
  • D) Tissue

c. element 

400
  1. Which is an example of passive transport?
  • A) Active transport
  • B) Diffusion
  • C) Endocytosis
  • D) Exocytosis
  • B) Diffusion
500
  1. How are cells related to organisms?
  • A) Organisms are made of many cells working together
  • B) Cells are larger than organisms
  • C) Cells only exist in unicellular organisms
  • D) Organisms have no cells

a. organisms are made of many cells working together 

500
  1. What role does water play in cells?
  • A) It helps transport molecules and maintain cell shape
  • B) It builds the cell wall
  • C) It stores genetic information
  • D) It produces energy directly
  • A) It helps transport molecules and maintain cell shape
500
  1. How do plant and animal cells differ in their energy-producing organelles?
  • A) Plant cells have mitochondria; animal cells do not
  • B) Animal cells have chloroplasts; plant cells do not
  • C) Plant cells have chloroplasts and mitochondria; animal cells only have mitochondria
  • D) Both have the same organelles for energy production
  • C) Plant cells have chloroplasts and mitochondria; animal cells only have mitochondria
500
  1. Which of the following best explains why organs work together in organ systems?
  • A) To increase the size of the organism
  • B) To perform complex functions that individual organs cannot do alone
  • C) To store nutrients for later use
  • D) To speed up cell division
  • B) To perform complex functions that individual organs cannot do alone
500
  1. How can organisms respond to changes in their environment?
  • A) By moving, growing, or adjusting their internal processes
  • B) By stopping all activity
  • C) By changing their DNA instantly
  • D) By becoming unicellular

  • A) By moving, growing, or adjusting their internal processes