2936: Nobel Prize winning scientist James D. Watson is known for his work in which area ?
(a) Metallurgy
(b) Genetics
(c) Environmental protection
(d) Meteorology
2937: Seismic waves that vibrate perpendicular to the direction of their path:
(a) Travel through the solid parts of the earth only
(b) Travel through the solid as well as other parts of the earth
(c) Spread on the surface of the earth
(d) None of the above
2938: Which principle among the following was added to the Directive Principles of State Policy by the 42nd Amendment to the Constitution?
(a) Equal pay for equal work for both men and women
(b) Participation of workers in the management of industries
(c) Right to work, education and public assistance
(d) Securing living wage and human conditions of work to workers
2939: How did Sultan Qutb-ud-din Aibak die?
(a) He was treacherously stabbed to death by one of his ambitious nobles
(b) He was killed in a battle with Taj-u-din Yildiz, the ruler of Ghazni who entered into a contest with him over the capture of Punjab
(c) He sustained injuries while besieging the fortress of Kalinjar in Bundelkhand and succumbed to death later
(d) He died after a fall from his horse while playing Chaugan
2940: Which one among the following is called philosopher's wool?
(a) Zinc oxide
(b) Zinc chloride
(c) Zinc nitrate
(d) Zinc bromide