Q1. Which law explains why a rocket moves upward when hot gases are expelled downward at high speed?
कौन-सा नियम यह समझाता है कि जब गर्म गैसें तेज गति से नीचे की ओर निकाली जाती हैं तो रॉकेट ऊपर की ओर क्यों बढ़ता है?
Railway Science Practice Set 2 – 15 Bilingual Questions with Detailed Explanations
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Sample Questions from Railway Science Practice Set 2 – 15 Bilingual Questions with Detailed Explanations
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Q2. Which part of the nephron is primarily responsible for ultrafiltration of blood?
नेफ्रॉन का कौन-सा भाग मुख्य रूप से रक्त के अल्ट्राफिल्ट्रेशन के लिए उत्तरदायी होता है?
Q3. Which of the following gases is an important greenhouse gas?
निम्नलिखित में से कौन-सी गैस एक महत्वपूर्ण ग्रीनहाउस गैस है?
Q4. Which mirror is used as a rear-view mirror in vehicles because it provides a wider field of view?
वाहनों में रियर-व्यू मिरर के रूप में कौन-सा दर्पण प्रयोग किया जाता है क्योंकि यह अधिक विस्तृत दृष्टिक्षेत्र प्रदान करता है?
Q5. Which enzyme begins the digestion of starch in the human mouth?
मानव मुख में स्टार्च का पाचन प्रारंभ करने वाला एंजाइम कौन-सा है?
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