Plant Life : The Leaf — Flashcards

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The main parts of a leaf are: 1. **Petiole** – the stalk that attaches the leaf to the stem. 2. **Lamina (Leaf Blade)** – the flat, green part where photosynthesis occurs. 3. **Midrib** – the central …

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A sessile leaf is a leaf that is directly attached to the stem without a petiole (leaf stalk). Example: Grass, wheat.

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The midrib and veins: - Transport water and minerals to the leaf. - Carry prepared food (glucose) from the leaf to other parts of the plant. - Provide structural support to the leaf, acting like a ske…

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**Simple Leaf**: The lamina is undivided or has shallow cuts that do not reach the midrib. Example: Mango, banana. **Compound Leaf**: The lamina is divided into separate leaflets. Example: Rose, silk…

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- **Simple leaves**: Mango, banana, banyan, peepal. - **Compound leaves**: Rose, sweet pea, silk cotton tree.

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**Venation** is the arrangement of veins in the leaf lamina. The two main types are: 1. **Reticulate venation** – veins form a network (e.g., mango, peepal). 2. **Parallel venation** – veins run para…

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- **Monocot plants** (like grass, maize, wheat) have **parallel venation**. - **Dicot plants** (like mango, peepal, rose) have **reticulate venation**.

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You can identify by observing the venation: - If the veins run **parallel** to each other → likely a **monocot** (e.g., grass, maize). - If the veins form a **network** → likely a **dicot** (e.g., man…