The Question is from neet-botany plant-kingdom , and it was created by the author NISHANTH

Question

Which of the following algae are suitable for human consumption?

NISHANTH · Accepted Answer

## CORE INFORMATION
✓ **Answer**: A
## CONCEPT FRAMEWORK
	**Primary Concept**: Edible Algae
	**Related Topics**: Nutrition, Algal Biology, Food Science
	**Prerequisites**: Basic understanding of algae and their uses.
## SOLUTION PATHWAY
**Given Information**:
A list of algae is provided, and the question asks which are suitable for human consumption.
**Method & Steps**:
	1. Identify algae known as food sources.
		Reasoning: Some algae are recognized as nutritional supplements or food ingredients.
	2. Eliminate toxic or harmful algae.
		Working: Research or recall which algae are known to be harmful.
		Key Point: Not all algae are safe to eat.
	3. Select the edible algae from the options.
		Result: Spirulina
		Verification: Spirulina is widely recognized as a safe and nutritious food source.
## OPTION ANALYSIS
[A] ✓: Spirulina is a type of cyanobacteria (often referred to as blue-green algae) and is widely cultivated and consumed as a nutritional supplement due to its high protein, vitamin, and mineral content.
[B] :x: Pfiesteria is a genus of dinoflagellates known to produce toxins harmful to humans and other organisms.  It is associated with harmful algal blooms and fish kills.
[C] :x: Gymnodinium is a genus of dinoflagellates, some species of which are known to produce toxins that can contaminate shellfish and cause human illness through consumption.
[D] :x: Alexandrium is a genus of dinoflagellates known for producing saxitoxins, potent neurotoxins that can accumulate in shellfish and cause paralytic shellfish poisoning (PSP) in humans.
## LEARNING AIDS
	**Common Mistakes**:
		1. Assuming all algae are edible: Many algae are toxic or otherwise unsuitable for consumption.
		2. Confusing different types of algae: Correctly identifying specific algae is crucial for determining edibility.
	**Quick Tips**:
		1. Remember Spirulina as a common edible algae supplement.
		2. Research reliable sources for information on edible and toxic algae.

NISHANTH · Answer

The correct Option is "Spirulina"

NISHANTH · Answer

Pfiesteria

NISHANTH · Answer

Gymnodinium

NISHANTH · Answer

Alexandrium

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