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

Which organ in the human body produces insulin?
Answer: Pancreas
The pancreas produces insulin through its beta cells in the islets of Langerhans.
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).
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.
What is the chemical symbol for gold?
Answer: Au
Au is the chemical symbol for gold, derived from the Latin word 'Aurum'.
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.
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.