ABio Ch 8 Note Quiz

Which of the following is NOT a characteristic of photosynthetic organisms?

• Obtain food from the soil via roots

• Use carbon dioxide and water as raw materials

• Build organic molecules via photosynthesis

• Contain chloroplasts that carry out photosynthesis

What is the function of stomata in a leaf?

• To carry out photosynthesis

• To transport water and food in the plant

• To allow for the exchange of gases

• To provide support to the leaf

Which part of the chloroplast is responsible for photosynthesis?

• Stroma

• Guard cells

• Granum

• Thylakoids

Who disproved the theory that plants obtain their food from the soil?

• Joseph Priestly

• Jan Baptisa van Helmont

• Jan Ingenhousz

• CB van Niel

Which scientist proved that living vegetation restores/cycles/adds elements to the air?

• Jan Ingenhousz

• Joseph Priestly

• Jan Baptisa van Helmont

• CB van Niel

What did Jan Ingenhousz conclude about air restoration in the presence of sunlight?

• Air is restored only in the absence of sunlight and only by non-green leaves

• Air is restored only in the absence of sunlight and only by green leaves

• Air is restored only in the presence of sunlight and only by non-green leaves

• Air is restored only in the presence of sunlight and only by green leaves

What are light-independent reactions in photosynthesis?

• Reactions that require light to initiate the process

• Reactions that use light energy to convert inorganic compounds into organic compounds

• Reactions that do not require light and use energy from the sun

• Reactions that use electrons from the light-dependent reactions to convert inorganic compounds into organic compounds

Who demonstrated that plants give off oxygen as a result of splitting water molecules during photosynthesis?

• Jan Ingenhousz

• Jan Baptisa van Helmont

• Joseph Priestly

• CB van Niel

Which pigments in chlorophyll absorb violet, blue, and red wavelengths best?

• Both chlorophyll a and chlorophyll b

• Carotenoids

• Chlorophyll b

• Chlorophyll a

What are C4 and CAM plants?

• Plants that utilize alternative ways of doing photosynthesis

• Plants that only do photosynthesis in the dark

• Plants that only do photosynthesis in the presence of sunlight

• Plants that do not undergo photosynthesis