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 Q ?

Explanation

To solve the question, we need to identify what part Q is in a plant cell based on the given clues. Let's break it down step by step:

### Step-by-Step Solution:

1. **Identify the Parts**: The question states that there are two parts, P and Q, that are present only in plant cells. We need to focus on part Q.

2. **Characteristics of Part Q**:
- Part Q is described as being made of a tough material, which is indicated as S.
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