📚 CBSE Grade-10 Study Guide
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Social Science (087) — 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
Black soil is generally poor in which of the following nutrients? (A) Calcium carbonate (B) Magnesium (C) Phosphoric content (D) Potash
  1. A Calcium carbonate
  2. B Magnesium
  3. C Phosphoric content
  4. D Potash
Generated by claude-sonnet-4-6 · 2026-06-26 13:26 · grounding rag
Model Answer

(C) Phosphoric content

Black soils are rich in calcium carbonate, magnesium, potash and lime, but are generally poor in phosphoric contents.

Source: Resources and Development, Black Soil section

Explanation

The textbook explicitly states: "These soils are generally poor in phosphoric contents." All other options (calcium carbonate, magnesium, potash) are nutrients that black soil is rich in, making (C) the only correct answer.

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