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General Science Flashcards

6 cards from real RRB NTPC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 General Science flashcards as text

  1. Newton's First Law of Motion is also known as the Law of:

    Answer: Inertia

    Newton's First Law states that a body remains at rest or in motion unless acted upon by a force, which is the Law of Inertia.

  2. Which element has the atomic number 1?

    Answer: Hydrogen

    Hydrogen has atomic number 1, as it has one proton in its nucleus.

  3. Photosynthesis in plants takes place in the:

    Answer: Chloroplast

    Photosynthesis occurs in chloroplasts, which contain the green pigment chlorophyll.

  4. The boiling point of water at standard atmospheric pressure is:

    Answer: 100°C

    Water boils at 100°C (212°F) at standard atmospheric pressure of 1 atm.

  5. Sound travels fastest through which medium?

    Answer: Steel

    Sound travels fastest through solids like steel because the molecules are closely packed, enabling faster vibration transfer.

  6. The powerhouse of the cell is the:

    Answer: Mitochondria

    Mitochondria are called the powerhouse of the cell because they produce ATP (energy) through cellular respiration.

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