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Railway Science Practice Set 7 – 15 Bilingual Questions with Detailed Explanations

This published practice set contains 15 questions for competitive-exam preparation. Preview a few questions below, then start the full quiz to record your attempt. Answers and detailed explanations remain inside the submitted-attempt workflow so the preview does not reveal the solution before practice.

Sample Questions from Railway Science Practice Set 7 – 15 Bilingual Questions with Detailed Explanations

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Q1. Which physical quantity is the product of mass and velocity?

द्रव्यमान और वेग के गुणनफल को कौन-सी भौतिक राशि कहा जाता है?

A. Momentum
संवेग
B. Force
बल
C. Power
शक्ति
D. Impulse
आवेग

Q2. Which part of the human digestive system absorbs most of the digested nutrients?

मानव पाचन तंत्र का कौन-सा भाग अधिकांश पचे हुए पोषक तत्वों का अवशोषण करता है?

A. Stomach
पेट
B. Small intestine
छोटी आंत
C. Large intestine
बड़ी आंत
D. Oesophagus
ग्रासनली

Q3. Which gas is mainly responsible for the characteristic smell of rotten eggs?

सड़े हुए अंडों जैसी विशिष्ट गंध के लिए मुख्य रूप से कौन-सी गैस उत्तरदायी होती है?

A. Hydrogen sulphide
हाइड्रोजन सल्फाइड
B. Sulphur dioxide
सल्फर डाइऑक्साइड
C. Ammonia
अमोनिया
D. Methane
मीथेन

Q4. Which law explains the heating effect of electric current in a conductor?

किस नियम द्वारा चालक में विद्युत धारा के ऊष्मीय प्रभाव को समझाया जाता है?

A. Ohm's law
ओम का नियम
B. Joule's law of heating
जूल का ऊष्मीय नियम
C. Faraday's law
फैराडे का नियम
D. Coulomb's law
कूलॉम का नियम

Q5. Which component of blood transports most of the carbon dioxide in the form of bicarbonate ions?

रक्त का कौन-सा घटक अधिकांश कार्बन डाइऑक्साइड को बाइकार्बोनेट आयनों के रूप में परिवहन करता है?

A. Plasma
प्लाज्मा
B. Platelets
प्लेटलेट्स
C. White blood cells
श्वेत रक्त कोशिकाएँ
D. Only haemoglobin
केवल हीमोग्लोबिन

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