Algae as Microorganisms
Biology ⇒ Microorganisms and Microbiology
Algae as Microorganisms starts at 8 and continues till grade 12.
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Describe how algae contribute to the oxygen supply on Earth.
Describe one way in which algae can be harmful to aquatic ecosystems.
Describe what an algal bloom is and why it can be dangerous.
Explain how algae are used in the food industry.
Explain the role of algae in the carbon cycle.
Explain why algae are considered microorganisms.
Explain why blue-green algae are not considered true algae.
A scientist observes a water sample under a microscope and finds a microorganism with a flagellum, a cup-shaped chloroplast, and no cell wall. Based on these features, which type of alga is most likely present?
(1) Chlamydomonas
(2) Spirogyra
(3) Diatom
(4) Ulva
Algae can be found in which of the following environments? (1) Freshwater (2) Marine water (3) Damp soil (4) All of the above
Which group of algae is mainly responsible for the red color in the Red Sea? (1) Green algae (2) Red algae (3) Brown algae (4) Diatoms
Which of the following best describes algae? (1) Prokaryotic microorganisms (2) Eukaryotic microorganisms (3) Fungi (4) Viruses
Which of the following is a colonial alga? (1) Volvox (2) Chlorella (3) Euglena (4) Fucus
Diatoms are a type of algae with cell walls made of __________.
Fill in the blank: The cell wall of most algae is made up of __________.
Fill in the blank: The main storage product in green algae is __________.
Fill in the blank: The movement of some algae is made possible by __________.
Algae are always visible to the naked eye. True or False?
Algae are capable of photosynthesis. True or False?
Algae are classified as plants. True or False?
Algae are classified into different groups based on their pigment composition. True or False?
