RRB Technician Grade 3 previous year question
A gardener buried five different substances in a garden: banana peels, newspaper, cotton cloth, plastic bottle and metal spoon. How many of the substances he buried were biodegradable?
Asked in RRB Technician Grade 3 (06 Mar 2026 Shift 2) · Science
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Correct answer: (C) Three
Banana peels, newspaper and cotton cloth are all natural, biodegradable materials, while plastic bottles and metal spoons are non-biodegradable, so three of the five substances are biodegradable.
हिंदी में प्रश्न
एक माली ने बगीचे में पांच अलग-अलग पदार्थ: केले के छिलके, अखबार, सूती कपड़ा, प्लास्टिक की बोतल और धातु के चम्मच को मृदा में दबा दिया। उसने जिन पदार्थों को मृदा में दबाया, उनमें से कितने पदार्थ जैवनिम्नीकरणीय थे?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) तीन
केले के छिलके, अखबार और सूती कपड़ा सभी प्राकृतिक, जैव-अपघटनीय पदार्थ हैं, जबकि प्लास्टिक बोतल और धातु का चम्मच अजैव-अपघटनीय हैं, अतः पांच में से तीन पदार्थ जैव-अपघटनीय हैं।
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