Question

The most abundant element present in plants is

• A. Nitrogen
• B. Carbon
• C. Iron
• D. Manganese

Answer 1

The correct option is B

Explanation of the correct option:

1. Carbon is one of the macronutrients present in the plants.
2. It is the most abundant element found in plants.
3. It is one of the non-mineral element.
4. Carbon is a constiuent of organic compounds.
5. Carbohydrates like sugars, starches and cellulose are the important organic compounds composed of carbon present in plants.

Explanation of the incorrect option:

Option A

1. Nitrogen is the major component of chlorophyll.
2. It plays a vital role in the growth and development of plant tissues and cells.
3. It is the building blocks of proteins, without which plants would have died.
4. Nitrogen plays a critical role within the plant to ensure energy is available when and where the plant needs it to optimize yield.

Option C

1. Manganese is an important micronutrient for plant growth and development.
2. It also sustains metabolic roles within different plant cell compartments.

Option D

1. Iron is an essential micronutrient for plant development.
2. It plays a key role as it is involved in the synthesis of chlorophyll and in other enzymatic and metabolic processes without which plants cannot carry out their lifecycle.

Final answer: The most abundant element present in plants is Carbon.