Explain: Photosynthesis & Respiration

​Check-In: Cluster Practice Question

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Multiple Choice

The process of converting light energy into chemical energy in the form of sugar

• photosynthesis

• pigment

• plastid

• phloem

Multiple Choice

An organism that cannot make its own food, but gets food by consuming other living things

• Autotroph

• Photosynthesis

• Heterotroph

• Chlorophyll

Open Ended

In 2 sentences, summarize what you learned from the Plant and Snails Gizmo we did last class.

Multiple Choice

What gases do autotrophs primarily produce during the day?

• Oxygen

• Carbon Dioxide

• Water

• Nitrogen

Multiple Choice

What gases do heterotrophs primarily produce?

• Oxygen

• Carbon Dioxide

• Nitrogen

• methane

Multiple Choice

What results would you expect with one snail, one elodea, and the lights on?

• The amount of CO₂ and O₂ would stay about the same.

• The amount of CO₂ would increase and O₂ would decrease

• The amount of CO₂ would decrease and O₂ would increase

• The amount of CO₂ and O₂ would both decrease

Multiple Choice

What is the function of the pictured organelle?

• Breaks down glucose to release energy

• Stores water, salts, waste products, and/or pigments

• Allows materials into the cell

• Captures the energy in sunlight and uses it to produce sugars

Multiple Select

Select all that are products of Photosynthesis.

• Water

• Carbon Dioxide

• Oxygen

• Sunlight (Light Energy)

• Glucose (Sugar/food)

Multiple Choice

Which of these conditions would decrease the rate of photosynthesis in a plant?

• Above average precipitation
• Changing the daylight hours from 14 hrs to 10 hrs
• Changing the CO₂ concentration from 380 ppm to 410 ppm
• All of these choices

Multiple Choice

A student noticed that the freshwater plant, Elodea, produced bubbles when placed in direct light. What could the student most likely conclude?

• Bubbles of glucose were produced as a result of photosynthesis.

• Bubbles of oxygen were produced as a result of photosynthesis.

• Bubbles of carbon dioxide were produced as a result of cellular respiration

• Bubbles of oxygen were produced as a a result of cellular respiration

Multiple Choice

Cellular respiration involves the chemical breakdown of _____ to form ATP Energy

• Fats

• Fructose

• Glucose

• Proteins

Multiple Choice

Which statement best describes a relationship between mitochondria and chloroplasts?

• Mitochondria release chemical energy from molecules and store it in chloroplasts.

• Chloroplasts release chemical energy from molecules and store it in mitochondria.

• Mitochondria convert chemical energy into light energy that can be used by chloroplasts.

• Chloroplasts convert light energy into chemical energy that can be used by mitochondria.

Multiple Choice

Analyze the graphic above. What are the chemicals represented by the X?

• H₂O + O₂

• H₂O + CO₂

• C₆H₁₂O₆ + O₂

• C₆H₁₂O₆ + CO₂

Multiple Choice

Analyze the graphic above. What are the chemicals represented by the Y?

• H₂O + O₂

• H₂O + CO₂

• C₆H₁₂O₆ + O₂

• C₆H₁₂O₆ + CO₂

Multiple Choice

Why does cell respiration and photosynthesis rely on each other?

• They are the same process

• Cell respiration must occur first, then photosynthesis

• They are opposites, meaning the products of one process is needed by the other process

Multiple Choice

Aerobic respiration is the process most living organisms undergo to use food energy (glucose) in order to make ATP. This process can only occur in the presence of ______

• Lactic Acid

• H2O

• Carbon Dioxide

• Oxygen

Multiple Choice

Fermentation, an example of anaerobic respiration, is a:

• life process that occurs when no oxygen is available

• life process that occurs when carbon dioxide and nitrogen is available

• life process that occurs when hydrogen is available

• life process that occurs when oxygen is available

Multiple Choice

A cell in the leaf of a green plant performs both photosynthesis and cellular respiration, often at the same time. Which statement best describes how these processes are related to each other?

• Both processes produce carbon dioxide.

• Both processes require energy directly from the Sun.

• Products of one process are used as some of the reactants for the other process.

• Thermal energy from one process is used as the energy source for the other process.