CBSE Science – Class 10 Sample Paper – 2026 Boards – [Term 1]

Question 7

📅 Published: 24 August, 2025 🔁 Updated: 24 August, 2025 🕒 Read: 1 min

Which of the following human activities has resulted in an increase of nonbiodegradable substances?
(A) Organic farming
(B) Increase in tree plantation
(C) Use of plastic as packaging material
(D) Composting of kitchen waste

 

Answer:

(C) Use of plastic as packaging material

Explanation:

  • Organic farming → uses natural manures and bio-pesticides → produces biodegradable waste → ❌

  • Tree plantation → eco-friendly, increases oxygen and greenery → ❌

  • Plastic packaging → plastic is non-biodegradable, persists in environment for hundreds of years → ✅

  • Composting kitchen waste → turns biodegradable waste into manure → ❌