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Which one of the following is not a plas...

Which one of the following is not a plastid ?

A

Aleuroplast

B

Chromoplast

C

Chloroplast

D

Aleurone

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question "Which one of the following is not a plastid?" we need to analyze the options provided: alluroplast, chromoplast, chloroplast, and alluron. ### Step-by-Step Solution: 1. **Understanding Plastids**: - Plastids are double membrane-bound organelles found in plant cells and some algal cells. They are not present in animal cells. - There are different types of plastids, including chloroplasts, chromoplasts, and leucoplasts. 2. **Identifying the Types of Plastids**: - **Chloroplast**: - This is the most common type of plastid, containing chlorophyll pigments, and is primarily responsible for photosynthesis. - **Chromoplast**: - These plastids contain various colored pigments that give fruits and vegetables their colors. They are involved in the pigmentation of plant parts. - **Leucoplast**: - These are non-pigmented plastids primarily involved in storage. They can be further classified into amyloplasts (for starch), proteinoplasts (for proteins), and oleoplasts (for fats). 3. **Analyzing the Options**: - **Alluroplast**: - This is another name for proteinoplast, which is a type of leucoplast. Therefore, it is a plastid. - **Chromoplast**: - This is a recognized type of plastid responsible for color in plants. - **Chloroplast**: - This is a well-known type of plastid involved in photosynthesis. - **Alluron**: - This term refers to protein granules found in seeds and tubers. It is not classified as a plastid. 4. **Conclusion**: - Among the options provided, the one that is not a plastid is **alluron**. ### Final Answer: The correct answer is **alluron**.
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