science & tech MCQ section 6 Practice Questions Answers Test with Solutions & More Shortcuts

Answer: (a)

Adnan Z. Amin was elected as the Director General of the International Renewable Energy Agency (IRENA) in April 2011. Helene Pelosse was the earlier Directorate General of IRENA. She served in this position for 15 months, from June 30, 2009 until October 21, 2010.

Answer: (c)

At present, for 900 MHz, permissible Power Density is 4.5 Watt per Square meter, whereas for 1800 MHz permissible Power Density is 9 Watt per Square meter.

Answer: (b)

Dactylogram is simply a fingerprint. The word originates from the Greek word 'daktylos' which loosely translates to 'something written'. The study of fingerprints for identification purposes is called dactylography.

Answer: (a)

Idukki district of Kerala has become first district in India to have high speed Rural Broadband Network i.e. National Optical Fibre Network (NOFN) Internet connectivity. NOFN is the largest rural connectivity project of its kind in the world.

Answer: (a)

A geostationary satellite is an earth-orbiting satellite, placed at an altitude of approximately 35,800 kilometres (22,300 miles) directly over the equator, that revolves in the same direction the earth rotates (west to east).

At this altitude, one orbit takes 24 hours, the same length of time as the earth requires to rotate once on its axis. The term geostationary comes from the fact that such a satellite appears nearly stationary in the sky as seen by a ground-based observer.