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Questions and Answers
Which of the following is NOT a characteristic of algae?
Which of the following is NOT a characteristic of algae?
- They are chlorophyll-bearing
- They are terrestrial organisms (correct)
- They are simple organisms
- They are largely aquatic organisms
How do algae reproduce?
How do algae reproduce?
- By sexual reproduction only
- By a combination of vegetative, asexual, and sexual methods (correct)
- By vegetative reproduction only
- By asexual reproduction only
What is the significance of algae in the environment?
What is the significance of algae in the environment?
- They are primary consumers of energy-rich compounds
- They are primary producers of energy-rich compounds (correct)
- They decrease the level of dissolved oxygen in their immediate environment
- They fix a small amount of carbon dioxide through photosynthesis
Which class of algae is known for producing hydrocolloids used commercially?
Which class of algae is known for producing hydrocolloids used commercially?
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Which marine algae is used to grow microbes and in preparations of ice-creams and jellies?
Which marine algae is used to grow microbes and in preparations of ice-creams and jellies?
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Which species of algae is rich in proteins and used as a food supplement even by space travellers?
Which species of algae is rich in proteins and used as a food supplement even by space travellers?
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