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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] medium thorough-understanding
Which of the following best explains why improvements in lifestyle and changes in packaging together pose a greater environmental challenge than either factor alone? (A) Lifestyle improvements generate more biodegradable waste, while packaging changes reduce total waste volume. (B) Lifestyle improvements increase the total quantity of waste, and packaging changes make a larger proportion of that waste non-biodegradable. (C) Packaging changes reduce waste generation, but lifestyle improvements increase the use of decomposers. (D) Both factors together cause depletion of the ozone layer through increased CFC emissions.
  1. A Lifestyle improvements generate more biodegradable waste, while packaging changes reduce total waste volume.
  2. B Lifestyle improvements increase the total quantity of waste, and packaging changes make a larger proportion of that waste non-biodegradable.
  3. C Packaging changes reduce waste generation, but lifestyle improvements increase the use of decomposers.
  4. D Both factors together cause depletion of the ozone layer through increased CFC emissions.
Generated by claude-sonnet-4-6 · 2026-06-26 00:59 · grounding rag
Model Answer

(B) Lifestyle improvements increase the total quantity of waste, and packaging changes make a larger proportion of that waste non-biodegradable.

Explanation

The passage directly states: "Improvements in our life-style have resulted in greater amounts of waste material generation… Changes in packaging have resulted in much of our waste becoming non-biodegradable." Option B combines both effects accurately. Options A, C, and D contradict or misrepresent the passage.

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