Photosynthesis in Carbon Cycle

Photosynthesis

Franks

Multiple Choice

Where do plants get the majority of their mass from when they grow?

• Soil

• Water

• Air

Jan Baptist van Helmont

 Discovered that the majority of the matter from

plant/algae growth does not come from the soil
as most people still today wrongly conclude.

 The majority of a plants mass actually comes

from its uptake of carbon dioxide out of the air.

 Trees (all photo-synthesizers) use CO2+H20+Light

to produce Carbohydrates + O2

 Carbs are the foundational energy source of all

ecosystems.

Where do plants get their matter to grow from?

Multiple Select

The three main inputs of photosynthesis are

• CO2

• O2

• H2O

• Light

• Sugar

Multiple Select

The two outputs of photosynthesis are

• O2

• CO2

• H2O

• Sugar

• Light

Photosynthesis verse Respiration

 The big picture here is Photosynthesis and

Respiration are from a mathematical point of
view the opposites of each other

Electromagnetic
Spectrum

 99.9% of all Ecosystems

on Earth begin with the
EMS

 Plants absorb visible light

wavelengths…specifically
blue and red

Multiple Choice

What part of the EMS do plants use for photosynthesis?

• Infrared

• Visible

• Ultraviolet

• Microwave

Multiple Select

What parts of the visible light spectrum do plants use (2)?

• green

• blue

• purple

• red

The plant

 Stomata: how CO2 enters the cell

 Chloroplasts- Where electrons are

energized by red/blue visible
light and where glucose is
produced.

 Thylakoids/Grana: Very much like

solar panels

3 Variations of Photosynthesis

Inside a Plant

ATP Synthase

Ribulose carboxlase oxygenase

Electron transport chain

Multiple Choice

Which organisms normally perform photosynthesis?

• Heterotrophs

• Autotrophs

• All organisms

• Green things

Multiple Choice

How are photosynthesis and respiration related?

• ATP is a product of both reactions

• The same products are made in both reactions

• The two processes occur in the same organelle

• The products of one are the reactants of the other

Multiple Choice

Which process is shown in the picture? Where does it occur?

• Photosynthesis; Mitochondria

• Photosynthesis; Chloroplast

• Respiration; Mitochondria

• Respiration; Chloroplast

Multiple Choice

Which of the following are the reactants of respiration?

• O₂ + CO₂

• H₂O + Glucose

• Glucose + O₂

• H₂O + CO₂ + Sunlight

Multiple Choice

Which process is shown in the picture? Where does it occur?

• Photosynthesis; Mitochondria

• Photosynthesis; Chloroplast

• Respiration; Mitochondria

• Respiration; Chloroplast

Multiple Choice

Which of the following are the products of photosynthesis?

• O₂ + Glucose

• Glucose + Sunlight

• Glucose + CO₂

• CO₂ + Sunlight

Multiple Choice

Which of the following are the reactants of photosynthesis?

• O₂ + CO₂ + Sunlight

• H₂O + Glucose + Sunlight

• ATP + CO₂

• H₂O + CO₂ + Sunlight