What is the primary reason that microbial colors appear under a microscope?
The Colors of the Microcosmos

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To signal danger
To attract predators
Due to the absorption and reflection of light
To communicate with other organisms
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which pigment is primarily responsible for the green color in photosynthetic organisms?
Chlorophyll
Astaxanthin
Phycocyanin
Carotenoids
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of phycocyanin in cyanobacteria?
To protect against ultraviolet light
To produce chemical energy
To absorb additional wavelengths of light
To reflect green light
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which pigment is responsible for the golden brown color in diatoms?
Chlorophyll
Astaxanthin
Phycocyanin
Fucoxanthin
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What triggers the production of astaxanthin in hematic caucus?
Presence of predators
Intense sunlight or nutrient scarcity
High water temperatures
Abundance of nutrients
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How have scientists utilized pigments like phycocyanin?
As a natural pesticide
To enhance plant growth
To map out cell interiors
As a food coloring
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the study of microbial colors help us understand about color perception?
That color is purely subjective
That color has no scientific basis
That color perception is just one aspect of living in a world of light
That color is only important for human observation
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