541. Which organs are morphologically different but perform the same function?
Analogous organs
542. Atom Bomb was dropped by America in Hiroshima on?
6th August 1945
543. Name the first Asian country to be industrialized?
Japan
544. The Periyar wild life sanctuary was declared as a Tiger Reserve in?
1978
545. Which is the largest flower in the world ?
Rafflesia
546. By whom was the Sarak-i-Azam which ran from the Indus to Sonargaon (in Bangladesh) built?
Sher Shah
547. Which celestial body besides earth bear, The Sea of Tranquility" and The Ocean of Storms"?
Moon
548. By which algae is Nitrogen fixation done?
Blue-green algae
549. What happens, When water is heated from 0°C to 10°C the volume of water?
First decreases then increases
550. Egyptian kings were known as ?
'Pharoh' ('Pharoh' means one who lives in a mansion)