Educational worksheet for students to label the parts of a simple leaf using a provided word box.

Let's solve this step-by-step by identifying and labeling the parts of a simple leaf based on the diagram and the word box provided.

Step 1: Understand the Word Box

The Word Box provides the following terms:
- Leaf base
- Axil
- Stem
- Petiole
- Tip
- Vein
- Leaf-blade
- Margin
- Midrib

We need to match these terms to the labeled parts of the leaf in the image.

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Step 2: Analyze the Diagram

Here’s how the parts are typically arranged in a simple leaf:

1. Leaf-blade (or Lamina) – The broad, flat part of the leaf where photosynthesis occurs.
2. Petiole – The stalk that attaches the leaf blade to the stem.
3. Leaf base – The part of the leaf where it connects to the stem (often at the bottom of the petiole).
4. Midrib – The central vein running through the middle of the leaf blade.
5. Veins – The network of vascular tissues in the leaf (smaller branches off the midrib).
6. Margin – The edge of the leaf blade.
7. Tip – The end of the leaf blade (the topmost point).
8. Axil – The angle between the petiole and the stem (where a bud may form).
9. Stem – The main support structure of the plant; the part above which the leaf is attached.

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Step 3: Match Labels to Arrows

Now, let’s go through each blank and assign the correct term:

1. Top right arrow pointing to the tip of the leaf → Tip
2. Arrow pointing to the side edge of the leaf → Margin
3. Arrow pointing to the central vein → Midrib
4. Arrow pointing to the small veins branching from the midrib → Vein
5. Arrow pointing to the entire broad green part → Leaf-blade
6. Arrow pointing to the stalk connecting the leaf to the stem → Petiole
7. Arrow pointing to the base of the petiole where it meets the stem → Leaf base
8. Arrow pointing to the angle between the petiole and the stem → Axil
9. Arrow pointing to the brown structure below the leaf → Stem

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Final Answer (Labels from Top to Bottom):

1. Tip
2. Margin
3. Midrib
4. Vein
5. Leaf-blade
6. Petiole
7. Leaf base
8. Axil
9. Stem

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Summary of Labeling:

| Arrow Number | Part Labeled |
|--------------|-----------------------|
| 1 | Tip |
| 2 | Margin |
| 3 | Midrib |
| 4 | Vein |
| 5 | Leaf-blade |
| 6 | Petiole |
| 7 | Leaf base |
| 8 | Axil |
| 9 | Stem |

✔ All terms from the word box are used exactly once.

This completes the labeling of the parts of a simple leaf!