2711: The colour of an opaque object is due to the colour it
(a) absorbs
(b) refracts
(c) reflects
(d) scatters
2712: Which one of the following countries occupies the first place in the Global Competitive ReportĀ of World Economic Forum ?
(a) USA
(b) Singapore
(c) Hong Kong
(d) France
2713: Protective action against harmful household insects and pests can be taken by the use of
(a) Infrasonic waves
(b) Microwaves
(c) Ultrasonic waves
(d) Low frequency radio waves
2714: Which one of the following is a non-metallic mineral?
(a) Manganese
(b) Magnesium
(c) Gypsum
(d) Bauxite
2715: In which country is the committee which selects winners for Nobel peace prize located?
(a) Norway
(b) Sweden
(c) Finland
(d) Denmark