CBSE · Class 7 · Science · Forests: Our LifelineWhat is humus?
Step-by-Step Solution
Humus is the dark, organic material formed in soil from the decomposed remains of plants and animals, providing nutrients to the soil.
Detailed Options Breakdown
Option : Fresh green leaves
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Forests: Our Lifeline.
Option 1: Decomposed organic matter in soil (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Inorganic rock particles
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Forests: Our Lifeline.
Option 3: Harmful industrial waste
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Forests: Our Lifeline.
💡 Study Guide: This question tests core syllabus concepts from Forests: Our Lifeline. For formulas, key summaries, and mock exam reference guides, read the full Forests: Our Lifeline Revision Notes.