the parts P and Q are present only in plant cell they are not present in animal cells . The part P contains a green pigment called R whereas part Q is made of a tough material S . The part P takes part in the food making process whereas part Q gives shape and support to the plant cell . what is R and S ?

Explanation

To solve the question, we need to identify the parts P and Q that are specific to plant cells and not found in animal cells.

### Step-by-Step Solution:

1. **Identify Part P**:
- Part P is described as containing a green pigment and is involved in the food-making process.
- In plant cells, the structure that contains the green pigment and is responsible for photosynthesis (the process of making food) is called the **chloroplast**.

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