Transport in Plants. - ppt video online download - Free Printable

Problem Analysis:

The task involves completing a worksheet about the transport systems in plants. The worksheet focuses on two main aspects:
1. Photosynthesis and its word equation.
2. Transport of water, mineral ions, and photosynthetic products (photosynthates) in plants.

Let's solve each part step by step.

---

Part 1: Write the Word Equation for Photosynthesis

The process of photosynthesis can be summarized as follows:
- Inputs: Carbon dioxide (\( \text{CO}_2 \)) and water (\( \text{H}_2\text{O} \)).
- Outputs: Glucose (\( \text{C}_6\text{H}_{12}\text{O}_6 \)) and oxygen (\( \text{O}_2 \)).
- Energy Source: Light energy from the sun.

The word equation for photosynthesis is:
\[
\text{Carbon dioxide + Water + Light energy} \rightarrow \text{Glucose + Oxygen}
\]

So, the completed sentence is:
\[
\text{Word equation for photosynthesis: Carbon dioxide + Water + Light energy → Glucose + Oxygen}
\]

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Part 2: Transport of Water and Mineral Ions

The worksheet asks to fill in blanks related to the transport of water and mineral ions in plants.

#### Blank 1: "ions from the ________"
Water and mineral ions are absorbed by the roots from the soil. Therefore, the blank should be filled with "soil."

#### Blank 2: "transport of water and ________ ions"
Mineral ions are essential for plant growth and are transported along with water. Examples include nitrogen (\( \text{N} \)), phosphorus (\( \text{P} \)), potassium (\( \text{K} \)), calcium (\( \text{Ca} \)), magnesium (\( \text{Mg} \)), etc. The blank should be filled with "mineral."

#### Explanation:
The xylem tissue in plants transports water and dissolved mineral ions from the roots to the leaves, where they are used in photosynthesis.

#### Completed Sentence:
\[
\text{The transport of water and mineral ions from the soil to the leaves is essential; these molecules are transported upwards in hollow tubes formed by dead cells called xylem tissue.}
\]

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Part 3: Transport of the Products of Photosynthesis (Photosynthates)

The worksheet asks to fill in blanks related to the transport of photosynthates (products of photosynthesis).

#### Blank 1 and 2: "The glucose produced during photosynthesis is used to make ________ and ________"
Glucose is a primary product of photosynthesis. Plants use glucose to synthesize other organic compounds such as starch (for storage) and cellulose (for structural support). Therefore, the blanks can be filled with "starch" and "cellulose."

#### Blank 3 and 4: "These molecules must be moved from the leaves to other organs of the plant (e.g., ________ and ________)"
Photosynthates are transported to various parts of the plant, including the roots, stems, flowers, and fruits. Common examples are "roots" and "fruits."

#### Explanation:
The phloem tissue in plants transports photosynthates (such as sugars) from the leaves to other parts of the plant, both upward and downward.

#### Completed Sentence:
\[
\text{The glucose produced during photosynthesis is used to make starch and cellulose (photosynthates). These molecules must be moved from the leaves to other organs of the plant (e.g., roots and fruits). The photosynthates are transported upwards and downwards in phloem tissue.}
\]

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Final Answer:

\[
\boxed{
\text{Word equation for photosynthesis: Carbon dioxide + Water + Light energy → Glucose + Oxygen}
}
\]
\[
\text{The transport of water and mineral ions from the soil to the leaves is essential; these molecules are transported upwards in hollow tubes formed by dead cells called xylem tissue.}
\]
\[
\text{The glucose produced during photosynthesis is used to make starch and cellulose (photosynthates). These molecules must be moved from the leaves to other organs of the plant (e.g., roots and fruits). The photosynthates are transported upwards and downwards in phloem tissue.}
\]