The Question is from neet-botany plant-physiology translocation-of-mineral-ion, and it was created by the author Mr. NARESH KUMAR K

Question

Which of the following statements is INCORRECT regarding the translocation of mineral ions in plants?

Mr. NARESH KUMAR K · Accepted Answer

## CORE INFORMATION
✓ **Answer**: D. Mineral ions are transported through the phloem.
## CONCEPT FRAMEWORK
	**Primary Concept**: Mineral nutrient uptake and transport in plants
	**Related Topics**: Xylem transport, Phloem transport, Transpiration, Root absorption
	**Prerequisites**: Basic plant anatomy and physiology
## SOLUTION PATHWAY
**Given Information**:
	Multiple-choice question about mineral ion translocation.
**Method & Steps**:
	1. Recall the roles of xylem and phloem:
		Reasoning: Xylem transports water and dissolved minerals from roots to shoots. Phloem transports sugars (products of photosynthesis) from source to sink.
	2. Analyze the options based on this understanding.
		Working: Options A, B, and C align with the function of xylem. Option D contradicts the role of phloem.
	3. Identify the incorrect statement.
		Result: Option D is incorrect because mineral ions are primarily transported through the xylem, not the phloem.
		Verification: The primary function of phloem is sugar translocation, not mineral ion transport.
## OPTION ANALYSIS
[A] ✓: Mineral ions are transported through the xylem. This is a correct statement. Xylem is the primary tissue responsible for upward transport of water and dissolved minerals.
[B] ✓: Transpiration pull plays a major role in mineral ion translocation. This is correct. The transpiration stream, created by the evaporation of water from leaves, pulls water and dissolved minerals upwards through the xylem.
[C] ✓: Mineral ions are transported along with water. This is correct. Mineral ions are dissolved in the water transported by the xylem.
[D] :x: Mineral ions are transported through the phloem. This is incorrect. Phloem primarily transports sugars and other organic compounds, not mineral ions. While small amounts of some mineral ions may be found in phloem, xylem is the main transport pathway for mineral ions from the roots to the rest of the plant.
## LEARNING AIDS
	**Common Mistakes**:
		1. Confusing the roles of xylem and phloem: Clearly distinguish between the transport functions of xylem (water and minerals) and phloem (sugars).
		2. Ignoring the role of transpiration: Remember that transpiration plays a crucial role in the upward movement of water and minerals in plants.
	**Quick Tips**:
		1. Xylem Up, Phloem Down (mostly):  Xylem primarily transports upwards, and phloem can transport both upwards and downwards.
		2. Water and Minerals = Xylem, Sugars = Phloem:  Associate these substances with their respective transport tissues.

Mr. NARESH KUMAR K · Answer

Mineral ions are transported through the xylem.

Mr. NARESH KUMAR K · Answer

Transpiration pull plays a major role in mineral ion translocation.

Mr. NARESH KUMAR K · Answer

Mineral ions are transported along with water.

Mr. NARESH KUMAR K · Answer

The correct Option is "Mineral ions are transported through the phloem."

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