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Everyday Science Concepts Flashcards

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

Read the first 6 Everyday Science Concepts flashcards as text

  1. Which organ in the human body produces insulin?

    Answer: Pancreas

    The pancreas produces insulin through its beta cells in the islets of Langerhans.

  2. What is the speed of light in a vacuum?

    Answer: 300,000 km/s

    The speed of light in a vacuum is approximately 300,000 km/s (3 × 10⁸ m/s).

  3. Which blood group is known as the universal donor?

    Answer: O-

    O negative (O-) is the universal donor because it has no A, B, or Rh antigens.

  4. What is the chemical symbol for gold?

    Answer: Au

    Au is the chemical symbol for gold, derived from the Latin word 'Aurum'.

  5. What causes tides in the ocean?

    Answer: Gravitational pull of the Moon and Sun

    Ocean tides are primarily caused by the gravitational pull of the Moon and, to a lesser extent, the Sun.

  6. Which is the largest organ of the human body?

    Answer: Skin

    The skin is the largest organ, covering approximately 1.5-2 square meters in adults.

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