Unit 4 Photosynthesis & CR TCAPReview

Multiple Choice

Which statement describes what else occurs to the particles due to the increase in temperature?

Multiple Choice

Which connection between carbon dioxide and the change in Arctic sea ice cover is supported by the diagram?

• Arctic sea ice cover has remained unchanged despite rising levels of carbon dioxide emissions.

• Arctic sea ice cover has increased because of stronger ice formed by carbon dioxide.

• Arctic sea ice cover has decreased, likely due to the climate warming from carbon dioxide emissions.

• Arctic sea ice cover naturally fluctuates each year and is unaffected by carbon dioxide.

Multiple Choice

Which plant adaptations is best for allowing the plant's seeds to be spread by animals as they rub against the plant?

Multiple Choice

Which cell structure is responsible for the formation of the oxygen bubbles?

• chloroplast

• cytoplasm

• mitochondria

​Read the slide in preparation for the next few questions!

Multiple Choice

Plants get their energy from ..........

• their mouth

• the sun

• CO2 only

• O2 only

Multiple Choice

Plants make their own food. This makes them an _____________.

• Autotroph

• Heterotroph

Multiple Choice

Plants take in water, ______ & sunlight and produce food and ______.

• Oxygen, Carbon Dioxide

• Carbon Dioxide, Water

• Oxygen, Water

• Carbon Dioxide, Oxygen

Carbon Cycle Text & Questions

The carbon cycle can seem like a complex process because there are many interacting parts.

Carbon is found in both organic (living) and inorganic (non-living) forms. Before we discuss the
cycle, there are a few other things you need to know about carbon:

● The Earth has a finite amount of carbon.
● Living things are made up of carbon (often they are described as being carbon-based) and

need carbon to survive.

● Carbon is also found in non-living things such as rocks, animal shells, the atmosphere and

oceans.

● Carbon found in something living is called organic carbon.
● Carbon found in something non-living is called inorganic carbon.
● Carbon dioxide is an important gas in our atmosphere. It prevents heat from escaping and,

in doing so, warms up the Earth’s atmosphere. In a similar way to the glass of a
greenhouse, it traps the heat from escaping and, for this reason, it is called a greenhouse
gas.

​Read the text to answer the questions coming up!

Multiple Choice

The Earth has a ______ amount of carbon.

• Infinite

• Finite

Multiple Choice

Carbon is also found in __________ things such as rocks, animal shells, the atmosphere and oceans.

• Non-living

• Living

Multiple Choice

Carbon found in something living is called _______ carbon.

• organic

• inorganic

Multiple Choice

Carbon found in something non-living is called ________ carbon.

• organic

• inorganic

Multiple Choice

Which of the following is the BALANCED equation for photosynthesis (supports the Law of Conservation of Mass)?

• CO2   +   H2O  →   C6H12O6   +   6O2

• 6CO2   +   6H2O  →   C6H12O6   +   6O2

Multiple Choice

Which of the following are the reactants of cellular respiration?

• glucose, oxygen

• glucose, water

Multiple Choice

Which of the following are the products of photosynthesis?

• glucose, oxygen

• glucose, water, ATP

Multiple Choice

In what cell organelle does photosynthesis occur?

• Chloroplast

• Nucleus

• Ribosome

• Mitochondrion

Multiple Choice

In what cell organelle does cellular respiration occur?

• mitochondria
• endoplasmic reticulum
• cytoplasm
• nucleus

Multiple Choice

What traps/absorbs the energy from sunlight that plants use for photosynthesis?

• Chlorophyll
• Water
• Carbon dioxide
• Nitrogen

Multiple Choice

In the carbon cycle, carbon is transferred between the atmosphere and

• living organisms
• space
• oceans
• rocks

Multiple Choice

Which mechanism helps carbon to cycle from the atmosphere to living organisms?

• Photosynthesis
• Decomposition
• Fermentation
• CRespiration

Multiple Choice

When a plant dies, it decomposes and becomes part of the soil.  This process is one step in which cycle?

• Water cycle
• Carbon cycle
• Rock cycle
• Nutrient cycle