Bio 9.2 Reading CP

What is the principal pigment of green plants?

• Chlorophyll

• Carotenoids

• Xanthophyll

• Anthocyanin

Tags

NGSS.HS-LS1-5

Which wavelengths of light do chlorophyll a and chlorophyll b absorb well?

• Blue-violet and red

• Green and yellow

• Orange and indigo

• Yellow and violet

Tags

NGSS.HS-LS1-5

Why do most leaves appear green?

• Chlorophyll reflects green light

• Chlorophyll absorbs green light

• Leaves contain green pigments

• Green light is the most abundant

What is the visible spectrum composed of?

• Different wavelengths of light

• Only green light

• Infrared and ultraviolet light

• Single wavelength of white light

What pigments in plants absorb light in other regions of the spectrum besides chlorophyll?

• Carotene

• Xanthophyll

• Anthocyanin

• Chlorophyll

Where does photosynthesis take place in plants?

• Chloroplasts

• Mitochondria

• Nucleus

• Ribosomes

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

What are the stacks of thylakoid membranes inside chloroplasts called?

• Grana

• Stroma

• Granum

• Thylakoids

What happens to chlorophyll molecules as temperatures drop late in the year?

• They break down revealing other pigments.

• They become more intense in color.

• They absorb more light.

• They convert into carotene.

What is the fluid portion of the chloroplast outside of the thylakoids called?

• Stroma

• Grana

• Thylakoid

• Chlorophyll

What is the role of NADP+ in photosynthesis?

• It absorbs sunlight directly.

• It acts as an electron carrier.

• It breaks down glucose.

• It transports water molecules.