One of the most important compounds for storing and releasing energy in organisms is:

• ATP

• CO₂

• H₂O

• O₂ gas

Tags

NGSS.HS-LS1-7

The primary pigment in leaves is:

• chloroplasts

• chlorophyll

• xanthophyll

• anthocyanin

Chlorophyll absorbs red and blue light from the sun-

light that falls on leaves, and reflects:

• red and blue light

• green light

• yellow light

• only red light

Tags

NGSS.MS-LS1-6

Photosynthesis is a _____________ transformation, the energy of the light absorbed by chlorophyll is transformed into chemical energy stored in carbohydrates

• exothermic

• endothermic

• synthesis

• decomposition

Tags

NGSS.MS-LS1-6

The process in which sun light is converted to glucose is known as:

• cellular respiration

• stomata regeneration

• photosynthesis

• enzyme activation energy

Tags

NGSS.MS-LS1-6

In chloroplasts light is primarily absorbed by _____________ pigments during the warm summer months.

• thylakoids

• anthocyanin

• xanthophyll

• chlorophyll

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

The reactants in the chemical equation for photosynthesis are:

• H₂O + O₂

• CO₂ + O₂

• C₆H₁₂O₆ + H₂O

• H₂O + CO₂

Tags

NGSS.MS-LS1-6

The products in the chemical equation for photosynthesis are:

• C₆H₁₂O₆ + CO₂

• C₆H₁₂O₆ + O₂

• C₆H₁₂O₆ + H₂O

• H₂O + O₂

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

In the fall dry weather, lower temperatures and increasing sugar concentration in the sap, also increases the amount of ________________.

• anthocyanin and xanthophyll

• chlorophyll

• green reflecting pigments

• glycogen

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

A water-based chemical indicator solution called bromothymol blue turns what color in the presence of CO₂ ?

• green

• yellow

• blue

• orange

Tags

NGSS.MS-PS1-2