The term 'plastid' was first used by ....... include the cell organelles which are primarily involved in the synthesis and storage of carbohydrates.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Term 'Plastid':** The term 'plastid' refers to a group of membrane-bound organelles found in the cells of plants and algae. They are essential for various functions, including the synthesis and storage of carbohydrates.

2. **Origin of the Term:** The term 'plastid' was first introduced by the scientist **A.F.W. Schimper**. He was a botanist who contributed significantly to the understanding of these organelles.

3. **Functions of Plastids:** Plastids are primarily involved in the synthesis and storage of carbohydrates. They play a crucial role in processes such as photosynthesis (in chloroplasts) and the storage of starch (in amyloplasts).

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