Algae: Form and Habitats

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What is the primary role of algae in the ecosystem?

Breaking down energy-rich compounds

Producing oxygen through photosynthesis (correct)

Regulating the water temperature in aquatic environments

Providing shelter for aquatic animals

Which of the following is a commercial use of marine algae?

Manufacturing of synthetic fibers

Generation of electricity through bioreactors

Extraction of rare minerals for industrial use

Production of hydrocolloids like algin and carrageen (correct)

What is the main function of agar obtained from Gelidium and Gracilaria?

Growing microbes and preparing ice-creams and jellies (correct)

Serving as a source of biofuels

Providing structural support to marine ecosystems

Enhancing the color of food products

Which class do algae like Chlorella belong to?

Chlorophyceae Signup and view all the answers

What is the significance of marine brown and red algae in the industry?

Production of hydrocolloids like algin and carrageen Signup and view all the answers

What is the role of algae in carbon dioxide fixation on earth?

Contribute at least half of the total carbon dioxide fixation through photosynthesis Signup and view all the answers

Which type of reproduction is characterized by fusion of two gametes, one large and non-motile female gamete, and a smaller, motile male gamete?

Oogamous Signup and view all the answers

What is the most common method of asexual reproduction in algae?

Production of zoospores Signup and view all the answers

Which type of algae form massive plant bodies in marine environments?

Kelps Signup and view all the answers

What is the size range of algae?

Microscopic unicellular to colonial forms Signup and view all the answers

Which type of algae reproduction involves fusion of two gametes that are similar in size and can be flagellated or non-flagellated?

Isogamous Signup and view all the answers

Where do algae largely occur?

Moist stones, soils, and wood Signup and view all the answers

Which type of algae reproduction involves fusion of two gametes, one large and non-motile female gamete, and a smaller, motile male gamete?

Oogamous reproduction Signup and view all the answers

What is the term for the most common method of Vegetative reproduction in algae?

Fragmentation Signup and view all the answers

In algae, what is the primary function of agar obtained from Gelidium and Gracilaria?

Asexual reproduction Signup and view all the answers

What is the significance of marine brown and red algae in the industry?

Food coloring Signup and view all the answers

Where do algae largely occur?

Mainly in aquatic habitats (both fresh water and marine), moist stones, soils, and wood Signup and view all the answers

What is the primary role of algae in the carbon cycle?

Fixing carbon dioxide through photosynthesis Signup and view all the answers

Which algae species are commonly used as food?

Porphyra, Laminaria, and Sargassum Signup and view all the answers

What is the commercial application of carrageen obtained from red algae?

Utilized in preparations of ice-creams and jellies Signup and view all the answers

Which class of algae does Chlorella belong to?

Chlorophyceae Signup and view all the answers

What is the significance of algin obtained from brown algae?

Used to grow microbes Signup and view all the answers

Algae: Form and Habitats

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Questions and Answers

What is the primary role of algae in the ecosystem?

Which of the following is a commercial use of marine algae?

What is the main function of agar obtained from Gelidium and Gracilaria?

Which class do algae like Chlorella belong to?

What is the significance of marine brown and red algae in the industry?

What is the role of algae in carbon dioxide fixation on earth?

Which type of reproduction is characterized by fusion of two gametes, one large and non-motile female gamete, and a smaller, motile male gamete?

What is the most common method of asexual reproduction in algae?

Which type of algae form massive plant bodies in marine environments?

What is the size range of algae?

Which type of algae reproduction involves fusion of two gametes that are similar in size and can be flagellated or non-flagellated?

Where do algae largely occur?

Which type of algae reproduction involves fusion of two gametes, one large and non-motile female gamete, and a smaller, motile male gamete?

What is the term for the most common method of Vegetative reproduction in algae?

In algae, what is the primary function of agar obtained from Gelidium and Gracilaria?

What is the significance of marine brown and red algae in the industry?

Where do algae largely occur?

What is the primary role of algae in the carbon cycle?

Which algae species are commonly used as food?

What is the commercial application of carrageen obtained from red algae?

Which class of algae does Chlorella belong to?

What is the significance of algin obtained from brown algae?

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