The Question is from neet-botany photosynthesis-in-higher-plants introduction, and it was created by the author K SURESH KUMAR

Question

Using a prism, a scientist splitted light into its spectral components and then illuminated a green alga, Cladophora. In the above statement the scientist who performed the above experiment was

K SURESH KUMAR · Accepted Answer

## CORE INFORMATION
✓ **Answer**: A
## CONCEPT FRAMEWORK
	**Primary Concept**: Historical experiments in photosynthesis
	**Related Topics**: Light spectrum, Engelmann's experiment, Photosynthetic action spectrum
	**Prerequisites**: Basic knowledge of photosynthesis and notable scientists in the field
## SOLUTION PATHWAY
**Given Information**:
	* Scientist used a prism to separate light.
	* Scientist illuminated Cladophora (a green alga) with this separated light.
	* The question asks for the identity of the scientist.
**Method & Steps**:
	1. Recognize the key experiment : The description matches the experiment where a prism was used to illuminate algae to study photosynthetic activity.
	2. Recall the scientist: This experiment was conducted by T.W. Engelmann.
	3. Identify the correct answer: Based on the recall, T.W. Engelmann is the correct answer.
 ## OPTION ANALYSIS
[A] ✓: T.W. Engelmann is known for his experiment using a prism to separate light and observe the oxygen production by algae, thus determining the action spectrum of photosynthesis.
[B] :x: Julius von Sachs is known for his work on starch formation in chloroplasts, not for the described experiment involving a prism.
[C] :x: Jan Ingenhousz is known for his work on photosynthesis and the discovery of oxygen production by plants, but not the specific experiment described.
[D] :x: Joseph Priestley is known for his experiments on gases and the discovery of oxygen, but he didn't perform the described experiment.
 ## LEARNING AIDS
	**Common Mistakes**:
		1.[Error 1]: Confusing scientists who worked on photosynthesis. [How to avoid]: Memorize the specific contributions of each notable scientist.
	**Quick Tips**:
		1.[Helpful shortcut]: Remember Engelmann used the prism to illuminate algae; this helps in remembering his contribution.

K SURESH KUMAR · Answer

The correct Option is "T.W Engelmann"

K SURESH KUMAR · Answer

Julius von Sachs

K SURESH KUMAR · Answer

Jan Ingenhousz

K SURESH KUMAR · Answer

Joseph Priestley

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