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The direction of the conduction of food ...

The direction of the conduction of food through phloem is

A

From below upwards

B

From tip to bottom

C

From leaves to roots

D

Phloem never conducts food.

Text Solution

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The correct Answer is:
### Step-by-Step Solution: 1. **Understanding the Function of Phloem**: - Phloem is a type of vascular tissue in plants responsible for the transport of nutrients, particularly the products of photosynthesis (food), throughout the plant. 2. **Identifying Source and Sink**: - In the context of phloem, the **source** is where the food is produced (primarily in the leaves, specifically in the mesophyll cells). - The **sink** is where the food is utilized or stored, which includes roots, stems, branches, fruits, and developing leaves. 3. **Direction of Food Conduction**: - The conduction of food through phloem occurs from the source (leaves) to the sink (roots and other parts of the plant). This process is known as translocation. 4. **Evaluating the Options**: - **Option A: From below upward** - This is incorrect because food is not transported from roots to leaves. - **Option B: From tip to bottom** - This is somewhat vague and could be interpreted in different ways, but it generally implies a downward direction. - **Option C: From leaves to roots** - This is the most accurate option, as it specifies the direction of food flow from the source (leaves) to the sink (roots and other parts). - **Option D: Phloem never conducts food** - This is incorrect, as the primary function of phloem is to conduct food. 5. **Conclusion**: - The correct answer is **Option C: From leaves to roots**, as it accurately describes the direction of food conduction through phloem.
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