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September 10, 2026
MCQ Practice
About 1 min readPublished 10 September 2026
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Question 1

The Technology Development Board recently supported commercialisation of patient-specific 3D-printed bone grafts. Consider the following statements:1.The project uses calcium phosphate-based materials for standard and customised bone grafts.2.Digital Light Processing and extrusion-based 3D-printing techniques are part of the project.3.The Technology Development Board functions under the Department of Science & Technology.4.3D printing, by definition, is a subtractive manufacturing process in which material is removed from a solid block.Which of the statements given above are correct?

प्रौद्योगिकी विकास बोर्ड ने हाल में रोगी-विशिष्ट 3D-मुद्रित अस्थि प्रत्यारोपों के व्यावसायीकरण को समर्थन दिया। इस संदर्भ में निम्नलिखित कथनों पर विचार कीजिए:1.परियोजना में मानक और अनुकूलित अस्थि प्रत्यारोपों के लिए कैल्शियम फॉस्फेट-आधारित पदार्थों का उपयोग किया जाता है।2.Digital Light Processing तथा extrusion-based 3D printing तकनीकें परियोजना का भाग हैं।3.प्रौद्योगिकी विकास बोर्ड, विज्ञान एवं प्रौद्योगिकी विभाग के अंतर्गत कार्य करता है।4.3D printing मूलतः subtractive manufacturing है, जिसमें ठोस ब्लॉक से पदार्थ काटकर हटाया जाता है।उपर्युक्त कथनों में से कौन-से सही हैं?

UPSCScience & Technology10 Sep 2026Hard
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Goldej Kumar
Author / EditorGoldej Kumar

Goldej Kumar is the Founder and Editor of Sri Ram Exams (Exam2.in), an independent educational platform for UPSC, State Public Service Commission, SSC and other competitive examinations. His editorial focus is on exam-relevant current affairs, source-based analysis, MCQ reasoning, previous-year-question patterns and clear bilingual learning for English- and Hindi-medium aspirants.