The Question is from neet-botany mineral-nutrition introduction, and it was created by the author Mr. NARESH KUMAR K

Question

Which among the following are used as media for hydroponics?

Mr. NARESH KUMAR K · Accepted Answer

## CORE INFORMATION
✓ **Answer**: D
## CONCEPT FRAMEWORK
 **Primary Concept**: Hydroponics
 **Related Topics**: Soilless cultivation, Plant growth media
 **Prerequisites**: Understanding of hydroponic systems and plant physiology
## SOLUTION PATHWAY
**Given Information**:
  - Options for hydroponic media are provided.
  - They include Coco air, Rock cool, Gravel, and All of these.
**Method & Steps**:
 1. Identify each option as a potential hydroponic medium.
  Reasoning: Hydroponics utilizes various materials to support plant growth without soil.
 2. Analyze each option:
  - **Coco air**: Made from coconut husks, it retains moisture and provides aeration.
  - **Rock cool**: A typo possibly meant to refer to Rockwool, which is commonly used in hydroponics for its excellent water retention and aeration.
  - **Gravel**: A commonly used medium for hydroponics due to its drainage properties and ability to anchor plants.
 3. Conclusion: Since all mentioned media are utilized in hydroponics, the correct answer must encompass all.
  Result: D is the correct answer as all the options listed are valid hydroponic media.
  Verification: Each material is confirmed as suitable for hydroponics, validating the answer.
 ## OPTION ANALYSIS
[A] :x: Coco air alone is insufficient; other options are also viable.
[B] :x: Rock cool is likely a typo; if it refers to Rockwool, it is valid, but alone is not enough.
[C] :x: Gravel is a valid medium, but not the only one; hence, this option fails to encompass all.
[D] ✓: All of these options are used as media for hydroponics, making this the correct choice.
 ## LEARNING AIDS
 **Common Mistakes**:
  1. Confusing hydroponic media with traditional soil types: Remember, hydroponics does not use soil.
  2. Overlooking the importance of aeration and drainage in selecting hydroponic media: Each medium has unique properties that affect plant growth.
 **Quick Tips**:
  1. Familiarize yourself with common hydroponic media and their properties.
  2. Remember that hydroponics can utilize a wide variety of materials for plant support.

Mr. NARESH KUMAR K · Answer

Coco air

Mr. NARESH KUMAR K · Answer

Rock cool

Mr. NARESH KUMAR K · Answer

Gravel

Mr. NARESH KUMAR K · Answer

The correct Option is "All of these"

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