481. Enology is the study of Wine.
482. The metal that is a constituent of vitamin B12 is Cobalt.
483. If a person receives the wrong type of blood, the RBCs agglutinate.
484. The study of fruit is called Pomology.
485. The lens used in a simple microscope is Convex.
486. A Lunar eclipse occurs on Full Moon.
487. Red + Green + Blue = White.
488. The Beaufort Scale is used to measure Wind Velocity.
489. The gas used in the preparation of Soda water is Carbon Dioxide.
490. Goitre is associated with the Thyroid gland.
491. The branch of Physics that deals with the internal structure of the earth is Geophysics.
492. The instrument that measures electric force is Voltmeter.
493. The average weight of a woman’s brain is 4.4 ounces.
494. Black diamond is Coal.
495. Water has been discovered on the potentially habitable super-Earth K2-18b.
496. The chronometer is invented by John Harrison.
497. The largest flower in the world is Rafflesia.
498. The gas that is directly proportional to temperature according to Charles’s Law is Gas.
499. The process whereby energy is dissipated from the oscillating system is called Damping.
500. The photo-receptors in the eye are present in the Retina.