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

Question

In which of the following, all listed genera belong to the same class of algae?

NISHANTH · Accepted Answer

## CORE INFORMATION
✓ **Answer**: B
## CONCEPT FRAMEWORK
	**Primary Concept**: Algal Classification
	**Related Topics**:  Taxonomy, Phylogeny, Algal Diversity
	**Prerequisites**: Understanding of basic algal classification and the concept of classes within the plant kingdom.
## SOLUTION PATHWAY
**Given Information**:
	* Four options each listing three genera of algae
	*  The correct answer consists of the option where all three genera belong to the same class of algae.
**Method & Steps**:
	1. Analyze the genera listed in each option and determine their respective classes within the algal classification.
		Reasoning: This requires recalling or looking up the classification of each genus.
	2. Identify the option where all genera belong to the same class.
		Working:
		* A. Chara (Charophyceae), Fucus (Phaeophyceae), Polysiphonia (Rhodophyceae) - Different classes.
		* B. Volvox (Chlorophyceae), Spirogyra (Chlorophyceae), Chlamydomonas (Chlorophyceae) - Same class (Chlorophyceae).
		* C. Porphyra (Rhodophyceae), Ectocarpus (Phaeophyceae), Ulothrix (Chlorophyceae) - Different classes.
		* D. Sargassum (Phaeophyceae), Laminaria (Phaeophyceae), Gracillaria (Rhodophyceae) - Different classes.
	3. Select the option where all genera belong to the same class.
		Result: Option B is correct because all three genera (Volvox, Spirogyra, and Chlamydomonas) belong to the Chlorophyceae class.
		Verification: The classification of each genera is well established in phycology.
 ## OPTION ANALYSIS
[A] :x: Chara belongs to Charophyceae, Fucus to Phaeophyceae, and Polysiphonia to Rhodophyceae. These are different classes.
[B] ✓: Volvox, Spirogyra, and Chlamydomonas all belong to the Chlorophyceae class.
[C] :x: Porphyra belongs to Rhodophyceae, Ectocarpus to Phaeophyceae, and Ulothrix to Chlorophyceae. These are different classes.
[D] :x: Sargassum and Laminaria belong to Phaeophyceae, while Gracillaria belongs to Rhodophyceae. These are different classes.
 ## LEARNING AIDS
	**Common Mistakes**:
		1. Confusing genera with species: Remember that genera are broader classifications than species.
		2. Incorrectly recalling class-level classifications: Double-check the classifications to ensure accuracy.
	**Quick Tips**:
		1. Focus on the common classes of algae: Chlorophyceae (green), Phaeophyceae (brown), and Rhodophyceae (red) are the most commonly encountered.
		2. Use mnemonics to remember major algal classes.

NISHANTH · Answer

Chara,Fucus,Polysiphonia

NISHANTH · Answer

The correct Option is "Volvox,Spirogyra,Chlamydomonas"

NISHANTH · Answer

Porphyra,Ectocarpus,Ulothrix

NISHANTH · Answer

Sargassum,Laminaria,Gracillaria

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