unit 4 LABS

The rate of photosynthesis is much greater in the green than red light spectrum. TRUE OR FALSE?

FALSE

Green and yellow wavelengths of light are useless to most plants. TRUE OR FALSE?

TRUE

When something appears blue, it is absorbing all colors except

blue.

Among the different forms of electromagnetic radiation emitted by the sun, which form is abosrbed by plants for photosynthesis?

visible light

What is the main role of the pigment molecules?

Absorb photons and transfer light energy to the reaction center chlorophyll.

Molecules that absorb light energy are called

pigments.

Match each pigment with its color. SEE PIC

see pic

What is photosynthesis? (Check all that apply).

- the conversion of sunlight energy into chemical energy - the process by which plants, some bacteria, and some protist use the energy from sunlight to produce sugar

The process of photosynthesis requires the starting materials

CO2 and H2O.

Which of the following statements about chlorophyll is correct?

It reflects light in the green light spectrum.

Which best explains the role of plant pigments in photosynthesis?

absorbs light energy

A new plant species has a unique photosynthetic pigment. The leaves of this plant appear to be blue-green. What wavelengths of visible light does this pigment reflect?

green and blue