12381. Which element present in the largest amount in rocks and minerals?
Silicon
12382. The world’s Second Earth Summit (2002) was at?
Johannesburg (South Africa)
12383. Mixture of which pair of gases is the cause of occurrence of most of the explosions in mines?
Methane and air
12384. The shortest bone in the human body is ?
Stapes in middle ear
12385. On the shore of which counrty cold currents have cooling effect?
Peru
12386. Who is known as the Poet of the Bhakthi movement”?
Poonthanam (15th century)
12387. If the temperature of a semiconductor rises; what is its resistivity?
Decrease
12388. When International Day of Older Persons, recognized by the UN is observed?
October 1
12389. Who is the inventor of World Wide Web?
Tim Berners Lee
12390. What is the dense mass of small water drops on smoke particles in the lower layers of the atmosphere?
Smog