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First multi-cellular plants (algae) appear
Contributed by: Bryan
  • 1. What type of organism were the first multi-cellular plants?
A) Flowering plants
B) Ferns
C) Algae
D) Mosses
  • 2. What is the main pigment in algae that helps in photosynthesis?
A) Carotenoids
B) Xanthophylls
C) Chlorophyll
D) Phycocyanin
  • 3. What process is essential for algae to obtain energy from sunlight?
A) Fermentation
B) Respiration
C) Photosynthesis
D) Transpiration
  • 4. What is the role of algae in the ecosystem?
A) Primary producers
B) Top predators
C) Primary consumers
D) Decomposers
  • 5. What is the scientific name for the group of algae with chlorophyll a and b?
A) Chlorophyta
B) Dinophyta
C) Phaeophyta
D) Rhodophyta
  • 6. What role do algae play in the food chain?
A) Herbivores
B) Top predators
C) Decomposers
D) Base of the food chain
  • 7. What evolutionary advantage did the formation of multicellular plants provide?
A) Enhanced mobility
B) Reduced competition for resources
C) Better camouflage from predators
D) Increased surface area for nutrient absorption
  • 8. Which kingdom do algae belong to?
A) Fungi
B) Plantae
C) Animalia
D) Protista
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