AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
Life processes are the maintenance processes essential for sustaining life, such as nutrition, respiration, transportation, and excretion, which together keep living organisms alive and functioning.
Source: Chapter 5, Section 5.1
The examiner expects the definition directly from the textbook: "The processes which together perform this maintenance job are life processes." You should also mention 1–2 examples (nutrition, respiration, etc.) to complete the answer. Avoid writing a long explanation for a 1-mark question.