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Chapter 40, 42
Revise Plant Structure, Transport, Photosynthesis and Responses
| Question | Answer |
|---|---|
| Give the functions of the leaf. | Photosynthesis, Gaseous exchange. |
| Give the functions of the stem. | To hold up the other parts of the plant and to transport water and minerals through the plant. |
| Give the functions of the root. | To anchor the plant and to absorb water and minerals. |
| Give the functions of the flower. | Sexual reproduction. |
| Can you list the 3 things that are transported around a plant? | Water, Minerals, Chlorophyll. |
| What direction does water travel in a plant? | Up. |
| Can you give the definition for transpiration? | Transpiration is the loss of water vapour from the surface of a plant. |
| Why do plants need to transpire? | To cool down and to draw water into the roots. |
| Can you name the tissue that transports water and nutrients from the roots to the leaves? | Xylem. |
| Can you name the tissue that transports food from the leaves to the rest of the plant? | Phloem. |
| How does water get removed from a plant? | Evaporation from the leaves after transpiration. |
| What cells in the leaf allow gas exchange? | Stomata. |
| What is the definition of photosynthesis? | The converting of light, water and carbon dioxide into glucose and oxygen. |
| Why is photosynthesis so important for us and other animals? | It takes in carbon dioxide and releases oxygen. |
| What part of the plant does photosynthesis take place in? | The leaves. |
| What is the chemical in leaves that allows photosynthesis take place? | Chlorophyll. |
| What substances do plants need for photosynthesis? | Chlorophyll, Carbon dioxide, Water, Light, |
| What are the tiny holes on the leaf that allow gas exchange called? | Stomata. |
| What gases do the stomata allow in and out? | Carbon dioxide, Oxygen and Water vapour. |
| How does water get into the leaf? | Through the plant roots and by gaseous exchange. |
| What do plants make in photosynthesis? | Glucose and Oxygen. |
| Can you write a balanced equation for photosynthesis? | 6CO2 + 6H2O ------> C6H12O6 + 6O2 |
| How do plants respond to their surroundings? | Tropism. |
| What is a tropism? | A tropism is a plants growth response to a stimulus. |
| What is phototropism? | Phototropism is a plants growth response to light, the plant will grow toward the light. |
| What is Geotropism? | Geotropism is a plants growth response to gravity, the pant shoot will grow away from gravity and the roots toward it. |
Created by:
SC Dave
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