Q1. A body is projected vertically upward. At the highest point of its motion, which of the following is correct?
किसी पिंड को ऊर्ध्वाधर ऊपर की ओर फेंका जाता है। उसकी गति के उच्चतम बिंदु पर निम्नलिखित में से कौन-सा कथन सही है?
Railway Science Practice Set 6 – 15 Bilingual Questions with Detailed Explanations
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Sample Questions from Railway Science Practice Set 6 – 15 Bilingual Questions with Detailed Explanations
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Q2. Which part of the nephron is mainly responsible for the selective reabsorption of glucose, amino acids and a large amount of water and salts from the filtrate?
नेफ्रॉन का कौन-सा भाग निस्यंद से ग्लूकोज, अमीनो अम्ल तथा बड़ी मात्रा में जल और लवणों के चयनात्मक पुनःअवशोषण के लिए मुख्य रूप से उत्तरदायी है?
Q3. Which gas is evolved when zinc reacts with a concentrated aqueous solution of sodium hydroxide?
जब जिंक की अभिक्रिया सोडियम हाइड्रॉक्साइड के सांद्र जलीय विलयन से होती है, तब कौन-सी गैस निकलती है?
Q4. A person can hear an echo distinctly only when the reflected sound reaches the ear after approximately at least 0.1 second. If the speed of sound is 340 m/s, what should be the minimum approximate distance of the reflecting surface from the person?
किसी व्यक्ति को स्पष्ट प्रतिध्वनि तभी सुनाई देती है जब परावर्तित ध्वनि लगभग कम से कम 0.1 सेकंड बाद कान तक पहुँचे। यदि ध्वनि की चाल 340 m/s है, तो परावर्तक सतह की व्यक्ति से न्यूनतम लगभग दूरी कितनी होनी चाहिए?
Q5. Which type of cell division produces gametes with half the chromosome number of the parent cell?
किस प्रकार का कोशिका विभाजन ऐसी युग्मक कोशिकाएँ उत्पन्न करता है जिनमें मूल कोशिका की तुलना में गुणसूत्रों की संख्या आधी होती है?
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