Algae Biofuel Quiz

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1. Algae can be grown only in seawater.

Explanation

Algae can be grown virtually anywhere as long as there is water, carbon dioxide and sunlight.
This includes ponds and even seawater and wastewater. It can also be grown in photobioreactors (also known as PBRs).
Check it out here: http://www2.hci.edu.sg/y11hci0149/Website/advantagesalgae.html#advantage1

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About This Quiz
Algae Biofuel Quiz - Quiz

Here is a quiz to test your knowledge about Algae Biofuel!

2. Why is Algae environmentally friendly?

Explanation

Algae does produce carbon dioxide, but it is carbon neutral so algae is environmentally friendly

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3. Biofuels are carbon-neutral. What does this mean?

Explanation

Check it out here: http://www2.hci.edu.sg/y11hci0149/Website/advantagesalgae.html#carbonneutral

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4. Algae cannot be used as:

Explanation

Algae cannot be used for removing salt from seawater because they do not have the ability to desalinate water. While algae can be used as a fertilizer, biomass, and food source, they do not possess the necessary mechanisms to remove salt from seawater.

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5. The main reason why open ponds have to be shallow is because:  

Explanation

Open ponds need to be shallow in order to maximize sunlight taken in by the algae. Sunlight is essential for photosynthesis, the process by which algae convert sunlight into energy. By keeping the ponds shallow, more sunlight can penetrate the water and reach the algae, allowing them to photosynthesize and grow more efficiently. This maximization of sunlight helps to optimize the growth and productivity of the algae, making shallow open ponds the preferred choice for cultivating algae.

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6. Algae cannot be grown in:

Explanation

Algae can be grown virtually anywhere as long as there is water, carbon dioxide and sunlight.
This includes ponds and even seawater and wastewater. It can also be grown in photobioreactors (also known as PBRs).

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7. Harvesting is:

Explanation

Check it out on the site: http://www2.hci.edu.sg/y11hci0149/website/algae.html#harvesting

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8. Algae has a yield close to that of peanuts.

Explanation

Peanut has a yield of only 113 gallons of oil per acre per year. Algae on the other hand has close to 20 000 gallons per acre per year, more than a hundred times that the yield of peanut
Check it out here: http://www2.hci.edu.sg/y11hci0149/website/algae.html#other biofuel

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9. The growth cycle of algae is:

Explanation

Algae can be cultivated and harvested within 10 days.
Other types of biofuels, like corn, on the other hand may take weeks or even months to grow.
Check it out here: http://www2.hci.edu.sg/y11hci0149/Website/advantagesalgae.html#advantage4

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10. The oil yield from algae is high because:

Explanation

Algae has a lot of lipids. In fact, pond algae (also known as pond scum), with the highest yield of all strains, has 60% of its weight being oil
Check it out here: http://www2.hci.edu.sg/y11hci0149/Website/advantagesalgae.html#advantage3

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11. Which of the following about closed pond systems is false?

Explanation

A closed pond is just a open pond closed off using a greenhouse. It also solves most of the problems that are being faced in a open pond, like allowing better control over the environment. However, it has a system more complex than a open pond with the addition of a greenhouse, but less than a photobioreactor.

Check it out here: http://www2.hci.edu.sg/y11hci0149/website/algae.html#cultivation

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12. Which of these methods can be used to extract algae?

Explanation

Apart from the three forms of extraction: Oil press, Chemical Solvent and Supercritical Fluid (CO2), there is still another type of extraction method - Ultrasonic assisted extraction

Check it out here: http://www2.hci.edu.sg/y11hci0149/website/algae.html#Extraction

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Algae can be grown only in seawater.
Why is Algae environmentally friendly?
Biofuels are carbon-neutral. What does this mean?
Algae cannot be used as:
The main reason why open ponds have to be shallow is because:...
Algae cannot be grown in:
Harvesting is:
Algae has a yield close to that of peanuts.
The growth cycle of algae is:
The oil yield from algae is high because:
Which of the following about closed pond systems is false?
Which of these methods can be used to extract algae?
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