Cell Processes Lesson 2025

Multiple Choice

Why is it important for cells to carry out processes such as transport, photosynthesis, cellular respiration, and the cell cycle?

• These processes are vital for maintaining cellular functions.

• They are only necessary for plant cells.
• These processes are irrelevant to cell survival.
• Cells perform these processes to create waste products.

Multiple Choice

Which of the following best describes the main difference between diffusion and osmosis as shown in the diagrams?

• Diffusion involves the movement of water only, while osmosis involves the movement of all molecules.

• Diffusion requires energy, while osmosis does not.

• Osmosis involves the movement of water across a selectively permeable membrane, while diffusion does not require a membrane.

• Osmosis moves particles from low to high concentration, while diffusion moves particles from high to low concentration.

Multiple Choice

Explain how passive and active transport differ in terms of energy usage and direction of particle movement across the cell membrane.

• Passive transport is energy-free while active transport requires energy.

• Passive transport requires energy and moves particles against the concentration gradient.
• Active transport is energy-free and moves particles down the concentration gradient.
• Passive transport moves particles in both directions across the membrane.

Multiple Select

Which of the following are examples of passive transport across the cell membrane?

• Diffusion

• Facilitated diffusion

• Active transport

• Osmosis

Fill in the Blanks

The process in which a cell membrane surrounds a particle and encloses it in a vesicle to bring it into the cell is called

.

Multiple Choice

Describe the difference between exocytosis and endocytosis using the diagrams provided.

• Exocytosis brings materials into the cell, while endocytosis releases materials from the cell.
• Exocytosis and endocytosis both involve the movement of materials out of the cell.
• Exocytosis releases materials from the cell, while endocytosis brings materials into the cell.
• Endocytosis is a process that only occurs in plant cells, while exocytosis occurs in animal cells.

Multiple Choice

Which process is responsible for capturing light energy from the sun and converting it into sugar in plants?

• Cellular respiration

• Photosynthesis

• Osmosis

• Diffusion

Fill in the Blanks

Fill in the blank: The process by which plants use sunlight to make food is called

.

Multiple Choice

Which of the following are the main reactants required for photosynthesis?

• Oxygen and glucose

• Carbon dioxide and water

• Glucose and water

• Oxygen and carbon dioxide

Multiple Select

Which of the following statements about photosynthesis are correct?

• It transforms light energy into chemical energy.

• It occurs in the mitochondria.

• It uses carbon dioxide and water.

• It produces oxygen and glucose.

Multiple Choice

Explain how photosynthesis and cellular respiration are related to each other in terms of energy transformation.

• Photosynthesis converts ATP into glucose, which is then used in cellular respiration.
• Cellular respiration occurs only in plants, while photosynthesis occurs in animals.
• Photosynthesis produces glucose and oxygen, used in cellular respiration to generate ATP

• Photosynthesis and cellular respiration are completely unrelated processes that do not share any products.

Multiple Choice

Based on the diagram, what role do animals play in the carbon cycle shown?

• They produce oxygen for plants.

• They take in carbon dioxide and release oxygen.

• They break down sugar molecules and release carbon dioxide.

• They use sunlight to make sugar molecules.

Multiple Choice

What is the main function of ATP in the cell?

• To store genetic information

• To supply energy for cellular activities

• To transport oxygen

• To break down glucose

Multiple Choice

How do the processes of diffusion and osmosis help maintain balance within a cell?

• They prevent all substances from entering the cell.
• They increase the temperature inside the cell.
• They help maintain balance by regulating concentrations.

• They create energy for the cell's functions.

Multiple Choice

What is the main difference between diffusion and osmosis?

• Diffusion involves movement of any particles, while osmosis specifically involves water.

• Diffusion only occurs in gases, while osmosis occurs in solids.

• Osmosis involves movement from low to high concentration, while diffusion is the opposite.

• Osmosis does not require a membrane, while diffusion does.

Multiple Choice

What is the chemical formula for glucose, and why is it important for plant cells?

• C₆H₁₂O₅

• C₅H₁₀O₅

• C₆H₁₂O₆

• C₆H₁₀O₆