🌱 Transport in Plants – NEET 2025 Focused Notes with Diagrams

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Transport in Plants is a crucial topic for NEET 2025 aspirants. This chapter deals with how water, minerals, and food are transported throughout plants, ensuring proper growth and function. Understanding xylem, phloem, transpiration, root pressure, and mass flow hypothesis can help you secure 3–4 questions in the NEET exam.

In this blog, we will cover:
✅ Mechanism of Water Transport
✅ Phloem Transport and Translocation of Food
✅ Transpiration and its Role
✅ Root Pressure and Mass Flow Hypothesis
✅ Important diagrams for quick revision


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📌 Water Transport in Plants

Water transport in plants occurs primarily through xylem, which consists of specialized dead cells that carry water and minerals from the roots to the leaves.

Mechanism:

Water moves through osmosis and capillary action.

The root pressure and transpiration pull are major driving forces.


Root Pressure

Root pressure helps in pushing water upward from the roots to the stem. It is generated due to the continuous absorption of water in the roots.

Diagram: Structure of xylem and root pressure.


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🌿 Phloem Transport (Translocation of Food)

Phloem is responsible for transporting food (mainly sugars) produced in the leaves (via photosynthesis) to other parts of the plant.

Mass Flow Hypothesis

This hypothesis explains the movement of sugars in phloem from source (leaves) to sink (roots, flowers) through a pressure gradient.

Diagram: Structure of phloem and Mass Flow mechanism.


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💧 Transpiration

Transpiration is the loss of water vapor from the plant’s surface, mainly through the stomata. It helps in:

1. Cooling the plant


2. Creating suction to pull water upwards from the roots.



There are 3 types of transpiration:

1. Stomatal Transpiration (majority)


2. Cuticular Transpiration


3. Lenticellular Transpiration




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🚀 Quick Tips for NEET

Always remember the xylem vs phloem differences: Xylem transports water, while phloem transports food.

Review mass flow hypothesis carefully and understand the pressure gradient.

Focus on NCERT diagrams: The xylem structure and root pressure are directly asked in NEET.



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📝 NEET Practice Questions

1. What is the main driving force for water transport in plants?


2. Explain the process of root pressure in plants.


3. Define Mass Flow Hypothesis and its significance.


4. How does transpiration help in the upward movement of water?


5. Which cell type is responsible for the translocation of food in plants?




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📊 Final Words

Understanding Transport in Plants will give you a solid foundation for NEET 2025. By mastering these processes and diagrams, you can quickly solve 3–4 questions related to this topic.

👉 Stay tuned for more NEET Botany blogs, YouTube videos, and Instagram reels from Botany Sir Himansu to boost your NEET preparation!

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