Question

Psammophytes are plants growing on ____________ type of soil.

• A. Sandy
• B. Acidic
• C. Alkaline
• D. Alluvial

Answer 1

The correct option is A

Sandy

The correct option is A.

Explanation for the correct option:

1. Plants are classified into five categories based on the soil or a substratum in which they grow.
2. Psammophytes are one of such categories.
3. Psammophytes include plants that grow in Sand.
4. Psammophytes are found in extreme conditions on beaches and deserts where Sand is found.
5. Psammophytes are referred to as extremophiles too.
6. Examples: Sand rice, Saxoul, etc.

Explanation for the incorrect options:

Option B:

1. The plants growing in acidic soil are referred to as Oxylophytes.
2. If the soil has low pH, then the soil is said to be acidic.
3. Examples: cotton grass, sundew, etc

Option C:

1. The plants growing in alkaline soil are referred to as Halophytes.
2. Due to its highly saline nature, when pH increases in the soil, the soil is referred to as alkaline soil.
3. Examples: Mangroves, sea lavender, etc.

Option D:

1. Alluvial soil is the fertile soil in which most plants can grow.
2. Alluvial soil is formed due to deposition after floods or rains.
3. Alluvial soil is also referred to as riverine soil
4. Examples of plants growing in alluvial soil are cotton, maize, sugarcane, etc.
   

Final answer: Psammophytes are plants growing on sandy soil.