📚 CBSE Grade-10 Study Guide
Home › Science (086) (AI practice)

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 initial-understanding
Name the raw materials required for photosynthesis and the main product stored by the plant as an energy reserve.
Generated by claude-sonnet-4-6 · 2026-06-26 00:58 · grounding rag
Model Answer

Raw materials for photosynthesis: carbon dioxide, water, sunlight, and chlorophyll. The main product stored as an energy reserve is starch.

Source: Chapter 5, Section 5.2.1 Autotrophic Nutrition

---

Explanation

The passage states that CO₂ and water are converted into carbohydrates in the presence of sunlight and chlorophyll. Unused carbohydrates are stored as starch — the examiner expects this specific term, not just "carbohydrates." Sunlight and chlorophyll are enabling factors often also listed as raw materials in CBSE answers for this question.

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