4141: 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
4142: High tides at antipodes are caused due to:

(a) Gravitational pull of the moon and the sun

(b) Gravitational pull of the sun

(c) Centrifugal, centripetal and gravitational pull of the sun

(d) Centrifugal, centripetal and gravitational pull of the sun and the moon
4143: Who of the following scientists proved that the stars with mass less than 1.44 times the mass of the Sun end up as White Dwarfs when they die?

(a) Edwin Hubble
(b) S. Chandrashekhar
(c) Steven Weinberg
(d) Stephen Hawking
4144: On which of the following can you find the Bureau of Energy Efficiency Star Label?

1. Ceiling fans
2. Electric geysers
3. Tubular fluorescent lamps

Select the correct answer using the code given below.

(a) 1 and 2 only
(b) 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
4145: In which one of the following places is the Shompen tribe found?

(a) Spiti Valley
(b) Nicobar Islands
(c) Nilgiri Hills
(d) Lakshadweep islands