rrb group d mock test - Quiz Questions (Page 2 of 2)
This quiz contains 20 questions.
Question 11: Which organ purifies the blood in the human body?
- Kidney (Correct Answer)
- Stomach
- Lung
- Brain
Question 12: What is the main source of energy for the Earth?
- The Sun (Correct Answer)
- The Moon
- Wind
- Electricity
Question 13: A triangle has how many sides?
- 3 (Correct Answer)
- 4
- 5
- 2
Question 14: How many continents are there in the world?
- 7 (Correct Answer)
- 5
- 6
- 8
Question 15: Who invented the light bulb?
- Thomas Edison (Correct Answer)
- Albert Einstein
- Nikola Tesla
- Isaac Newton
Question 16: Which gas do plants use for photosynthesis?
- Carbon Dioxide (Correct Answer)
- Oxygen
- Nitrogen
- Helium
Question 17: What is the boiling point of water?
- 100 degrees Celsius (Correct Answer)
- 0 degrees Celsius
- 50 degrees Celsius
- 10 degrees Celsius
Question 18: What is the name of our galaxy?
- Milky Way (Correct Answer)
- Andromeda
- Supernova
- Orion
Question 19: What is the smallest unit of life?
- Cell (Correct Answer)
- Atom
- Molecule
- Organ
Question 20: Which animal is known as the 'King of the Jungle'?
- Lion (Correct Answer)
- Tiger
- Bear
- Elephant
If you are preparing for the Railway Recruitment Board Group D exams, this mock test is perfect for you. It covers general science, mathematics, reasoning, and current affairs to check your skills and help you improve each day. You can practice in a simple and clear way that feels like a real test. This quiz gives you a good insight into where you stand for your railway career.
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