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12.How does a wavelength differ from the wave height?
13.The smaller the wavelength, the the frequency, causing
energyto be carried by that light
14.The longer the wavelength, the the color. The shorter the
wavelength, thethe color
15.A taller wave, shorter wavelength would be what color:16.A
shorter wave, longer wavelength would be what color:17.What
substance in plants detects light?18.The color of the pigment is
determined by what?
19.Which pigment is found in all plants?a. What colors does this
pigment absorb? And
20.What pigments are found only in some plants?a. What colors do
these pigments absorb? And
21.What is the Action Spectra?22.What structure in plants detect
the presence and quality of light?
a. What type of light do they detect?23.How will phytochrome
change in response to changing light conditions?
24.What structure causes small seeds to germinate in response to
light?25.What structures detect blue light?
a. List the changes these are responsible for:
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26.Flowering only occurs under what kind or kinds of light?
&27.Below, draw what a plant under only red light will look
like on the left, and under only blue light on the right
28.How did Dr. Kasperbauer increase fruit production in tomatoes
and strawberries by 20%?
29.Which is more important in regards to light duration length
of day or length of night? Explain:
30.What is photoperiod?31.What are the three kinds of
photoperiod? List and describe
32. In fall, Mr. Kohn becomes concerned when the library lights
are left on, especially considering that their upperlevel windows
are near the greenhouse. What might be the cause for his concern?
Hint we start growing
poinsettias in September.
