Life sciences
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- In the exam pattern: First Stage Computer Based Test (CBT-I), General Science: 30 questions, 30 marks (RRB notice, 13 Aug 2026).
- Next exam day: CBT-II exam (expected): 15 Feb 2027 (Expected — an estimate, not announced).
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Take a full mock →Q1 · Life sciences · EASY
Which of the following is the primary site for the synthesis of proteins in a eukaryotic cell?
Q2 · Life sciences · EASY
In the human respiratory system, gas exchange primarily occurs in which structure?
Q3 · Life sciences · MEDIUM
Which of the following statements about the heart's double circulation is correct?
Q4 · Life sciences · EASY
Which part of the human brain maintains the posture and balance of the body?
Q5 · Life sciences · MEDIUM
In the human alimentary canal, which organ is responsible for the production of bile, a fluid essential for the emulsification of fats?