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Science (086) — AI-generated practice question

AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.

Q1. [1] straightforward exam-ready
Which of the following is an example of a human-made (artificial) ecosystem? (A) Forest (B) Pond (C) Lake (D) Crop-field
  1. A Forest
  2. B Pond
  3. C Lake
  4. D Crop-field
Generated by claude-sonnet-4-6 · 2026-06-26 00:58 · grounding rag
Model Answer

(D) Crop-field

Crop-fields are human-made (artificial) ecosystems. Forests, ponds and lakes are natural ecosystems.

Source: Chapter 13, Section 13.1

Explanation

The textbook explicitly states: "forests, ponds and lakes are natural ecosystems while gardens and crop-fields are human-made (artificial) ecosystems." For MCQs, simply writing the correct option with a one-line justification is sufficient for full marks.

Previous-year CBSE Grade 10 board exam questions, organised by subject and chapter, each with a model answer — free to read and print.