Explanation

• Ban Ki-moon is a South Korean politician and diplomat who served as the eighth secretary-general of the United Nations between 2007 and 2016.
• Before his appointment as secretary-general, Ban was the South Korean Minister of Foreign Affairs and Trade between 2004 and 2006.

Explanation

The main idea of the solar system was proposed by the Polish astronomer Nicolaus Copernicus (1473-1543).

who said that "the Sun is the centre of the Universe" and made the planets move around it in perfect circles

(in his book entitled, "On the Revolution of the Celestial Spheres", written in Latin and published in 1543)

Explanation

Sidhnai Headworks has been constructed on the Ravi River.

The new Sidhnai Barrage was constructed 31000 ft upstream of old Sidhnai weir with design capacity of 150,000 Cs

Downstream straight reach was excavated and widened to increase the capacity from 100,000 Cs to 150,000 Cs.

Explanation

The shortcut key for starting a slideshow from the current slide in Microsoft PowerPoint is: Shift + F5

Ctrl + N shortcut key used to Create a new presentation document

Ctrl + M shortcut key used for Insert a new slide

Ctrl + S shortcut key used to save a presentation

F5 shortcut key is used to start a slide show.

Explanation

IEA founded: 1974

IEA headquarters: Paris, France

Explanation

• The longest railway tunnel in the world is the Gotthard base tunnel.
• The Gotthard base tunnel is situated in Switzerland.
• Gotthard base tunnel is 57 Km long and provides high-speed rail link.
• Seikan Tunnel is 53 Km long and situated in Japan.
• Yulhyeon Tunnel is 50 Km long and situated in South Korea.
• Channel Tunnel is situated on the English Channel on Dover strait.

Explanation

Each of these statements is true:

• Water-soluble vitamins cannot be stored in the body: Vitamins like vitamins C and the B vitamins are water-soluble.
• Fat-soluble vitamins can be stored in the body: Vitamins A, D, E, and K are fat-soluble and can be stored in the body's fatty tissues and liver
• The body can absorb more of a fat-soluble vitamin than required: Unlike water-soluble vitamins, excess intake of fat-soluble vitamins can lead to accumulation in the body

Explanation

Using navigation keys

Page Up: Move the cursor or page up one screen.

Ctrl + Home: Move to the top of a document.

Ctrl + End: Move to the bottom of a document.

Page Down: Move the cursor or page down one screen.

Explanation

•  Hazrat Arqam's house becomes the center of the preaching of Islam
• **
  
• Arqam ibn Abi-Arqam  ( 597-675) was a companion of Muhammad.
• He was the owner of the house where the early Muslim community held its meetings.
  

Explanation