Chemistry, Photosynthesis and Cellular Respiration

What organelle does photosynthesis take place in?

• chloroplast

• mitochondria

• cell membrane

• Nucleus

Answer explanation

The chloroplast is only found in plant cells and is the site of photosynthesis.

Tags

NGSS.MS-LS1-6

What organelle does cellular respiration take place in?

• chloroplast

• mitochondria

• cell membrane

• Nucleus

Answer explanation

Cellular respiration takes place in the mitochondria (powerhouse of the cell). This makes sense because it creates ATP (energy)

Tags

NGSS.MS-LS1-7

Match the following:

• Original source of all energy

• Heterotroph

• Make their own food

• Autotroph

• Consume food

• Sun

Answer explanation

Auto - self

troph - nutrition

Hetero - different

troph - nutrition

The sun is the original source of all energy.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Green pigment that traps light from the sun

• chlorine

• chlorophyll

• carotenoid

• mitochondria

Answer explanation

Chlorophyll is a pigment that absorbs all colors in the light spectrum except green! It is the reason why plants appear green to us.

Tags

NGSS.MS-LS1-6

Decide whether each is an autotroph or heterotroph:

Groups:

(a) Autotroph

,

(b) Heterotroph

• 
• 
• 
• 
• 
• 
• 
• 

Answer explanation

Autotrophs make their own food in chloroplasts. Heterotrophs cannot and they must consume food.

Tags

NGSS.MS-LS2-3

Decide which is a reactant or product of photosynthesis:

Groups:

(a) Reactant

,

(b) Product

• 
• 
• 
• 
• 

Answer explanation

Reactants are on the left side of the equation. They are what goes IN or is required.

Products are on the right side of the equation. hey are what goes OUT or is produced.

Tags

NGSS.MS-LS1-6

Decide which is a reactant or product of photosynthesis:

Groups:

(a) Reactant

,

(b) Product

• 
• 
• 
• 

Answer explanation

Reactants are on the left side of the equation. They are what goes IN or is required.

Products are on the right side of the equation. hey are what goes OUT or is produced.

Tags

NGSS.MS-LS1-6

Decide which is a reactant or product of cellular respiration:

Groups:

(a) Reactant

,

(b) Product

• 
• 
• 
• 
• 

Answer explanation

Reactants are on the left side of the equation. They are what goes IN or is required.

Products are on the right side of the equation. hey are what goes OUT or is produced.

Tags

NGSS.HS-LS1-7

Decide which is a reactant or product of cellular respiration:

Groups:

(a) Reactant

,

(b) Product

• 
• 
• 
• 
• 

Answer explanation

Reactants are on the left side of the equation. They are what goes IN or is required.

Products are on the right side of the equation. hey are what goes OUT or is produced.

Tags

NGSS.HS-LS1-7

What does the symbol C stand for?

• Hydrogen

• Nitrogen

• Carbon

• Oxygen

Answer explanation

Tags

NGSS.MS-PS1-1