Questions

Mitochondria are present in both plant and animal cells.

The Qatar Airways has launched the World’s longest scheduled commercial service to ply between Doha to Auckland. The inaugural service of Flight QR920 took off on February 5, 2017 from Doha and will take 16 hours and 20 minutes to travel 14,535 kilometers to reach Auckland in New Zealand.
This makes Qatar Airways to launch the World’s fastest and longest passenger service in terms of flying time. Prior to this, emirates launched the world’s longest non-stop scheduled commercial flight with a service from Dubai to Auckland, spanning 14,200 kilometres.

Mutex is the short form for ‘Mutual Exclusion object’. A mutex allows multiple threads for sharing the same resource. The resource can be file. A mutex with a unique name is created at the time of starting a program. A mutex must be locked from other threads, when any thread that needs the resource. When the data is no longer used / needed, the mutex is set to unlock.

Snehlata Shrivastava, appointed as the first woman Secretary General of the Lok Sabha. The appointment was made by Lok Sabha Speaker Sumitra Mahajan. Ms. Shrivastava will replace Anoop Mishra, who retired on November 30, 2017. 

Ms. Shrivastava, a senior civil servant with 35 years of rich and varied administrative experience is a 1982 batch IAS officer from the Madhya Pradesh cadre.

Rama Devi holds the distinction of the being the first woman secretary general of the Rajya Sabha.

The Sahara is the biggest desert in the world.

It occupies the northern one third of the African continent.

Law of Octaves states that "If the chemical elements are arranged according to increasing atomic weight, those with similar physical and chemical properties occur after each interval of seven elements." That is every 8th element have the same physical and chemical properties. This was established by the British scientist John Newlands in the year 1865.