19 Questions
What is the main pigment found in Phaeophyta (brown algae)?
Chlorophyll a and d
Which group of algae stores reserve food in the form of mannitol, laminarin, and fats?
Phaeophyta (brown algae)
What is the distinctive protective covering over the cells of many algal species called?
Theca
What type of algae are mainly freshwater organisms?
Yellow-green algae
Which group of algae is known for producing the mucilages agar and carrageenan?
Rhodophyta (red algae)
What is the main storage form of reserve food in Euglenophyta?
Polysaccharides and paramylon
What is a common problem caused by algal blooms in water bodies?
Creation of dead zones due to oxygen depletion
Which type of pigment plays a significant role in the coloration of Rhodophyta (red algae)?
Phycobilin pigments
How do algal blooms affect the oxygen supply within water bodies?
Decrease oxygen levels due to excess phytoplankton growth
What is the main pigment found in Xanthophyta (yellow-green algae)?
Chlorophyll b
What is a key structural component of the cell walls of Rhodophyta (red algae)?
Fucoxanthin
Which algal group is characterized by the presence of deposits of calcium in their cell walls?
Bacillariophyta
What is the reserve food storage form in Phaeophyta (brown algae)?
Paramylon
Which algal group is rich in vitamins and often consumed as food?
Chlorophyta
What pigment is responsible for the yellow coloration in Xanthophyta (yellow-green algae)?
Phycobilin
What is a distinctive feature of Euglenophyta?
Exclusive saltwater habitat
What type of reproduction is common in algal populations?
Internal fertilization
What is the primary function of the mucilaginous matrix in algal cell walls?
Nutrient storage
What distinguishes red tides caused by dinoflagellates from blue-green algal blooms?
Pigment coloration
Explore the unique characteristics of algae that distinguish them from plants, such as their preferred aquatic environments, dependency on light for photosynthesis, and more. Learn about the distinctions between these two organisms.
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