- 1. Phycology, also known as algology, is the scientific study of algae. Algae are primitive, plant-like organisms that can be found in various aquatic environments such as oceans, lakes, and rivers. Phycologists study the classification, physiology, ecology, and uses of algae. They investigate the role of algae in marine and freshwater ecosystems, their potential as biofuel sources, and their applications in biotechnology and food industries. Understanding algae is crucial for environmental conservation and sustainable development, as they play a significant role in oxygen production, carbon sequestration, and nutrient cycling in aquatic ecosystems.
What is the study of algae known as?
A) Mycology
B) Zoology
C) Botany
D) Phycology
- 2. What pigment do algae and plants contain for photosynthesis?
A) Chlorophyll
B) Hemoglobin
C) Carotene
D) Melanin
- 3. What is the primary storage carbohydrate in red algae?
A) Laminarin
B) Mannitol
C) Cellulose
D) Floridean starch
- 4. Which pigment is responsible for the red color in red algae?
A) Lutein
B) Fucoxanthin
C) Phycoerythrin
D) Chlorophyll a
- 5. What is the cell wall of most algae made of?
A) Silica
B) Cellulose
C) Chitin
D) Lignin
- 6. What is the primary pigment in brown algae?
A) Chlorophyll
B) Phycocyanin
C) Fucoxanthin
D) Astaxanthin
- 7. In which habitat are most types of algae found?
A) Forest
B) Mountain
C) Desert
D) Aquatic
- 8. Which type of algae is known for its high protein content?
A) Red Algae
B) Kelp
C) Spirulina
D) Chlorella
- 9. What makes diatoms important in aquatic food chains?
A) They produce harmful toxins
B) They are a major food source for marine organisms
C) They contribute to coral bleaching
D) They accelerate eutrophication
- 10. What is the term for a collection of unicellular algae?
A) Seaweed
B) Seagrass
C) Phytoplankton
D) Coral
- 11. What is the primary component of agar, a gelatinous substance obtained from algae?
A) Mannitol
B) Carrageenan
C) Laminarin
D) Agarose
- 12. What is the most diverse group of algae?
A) Diatoms
B) Red Algae
C) Green Algae
D) Brown Algae
- 13. Which pigment is absent in red algae?
A) Carotene
B) Chlorophyll b
C) Phycoerythrin
D) Phycocyanin
- 14. What is the main ecological role of cryptomonads in aquatic environments?
A) Decomposers
B) Bioindicators
C) Primary producers
D) Coral builders
- 15. What type of algae forms the base of most aquatic food chains?
A) Diatoms
B) Brown algae
C) Green algae
D) Red algae
- 16. What is the major storage carbohydrate in brown algae?
A) Cellulose
B) Starch
C) Chrysolaminarin
D) Laminarin
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