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Railway RRB / NTPC - MCQ Practice Questions

Practice <strong>Railway RRB NTPC, Group D, ALP, Junior Engineer, Technician</strong> MCQs covering Mathematics, General Intelligence & Reasoning, General Science, and General Awareness. Aligned with the latest RRB exam syllabus.

418 questions | 100% Free

Q.41Medium

What is the main component of natural gas?

Q.42Medium

Which of the following organs is responsible for filtering blood and producing urine?

Q.43Medium

According to Newton's third law of motion, for every action there is:

Q.44Medium

Which hormone is responsible for regulating blood sugar levels in humans?

Q.45Medium

If a 5 kg object is lifted to a height of 2 meters, what is the gravitational potential energy gained? (g = 10 m/s²)

Q.46Medium

The pH scale ranges from:

Q.47Medium

Which of the following is an example of an endothermic reaction?

Q.48Medium

The focal length of a convex mirror is 20 cm. What is its radius of curvature?