Question Discussion & Solution

The correct answer is Mehrangarh Fort.

Key Points

• Mehrangarh Fort was built on Chidiyatunk Hill.
  • It was built by Rao Jodha in 1459 AD.
  • It is also known as Gad Chintamadi / Suryagarh / Kagmukhi.
  • Its shape looks like a peacock.
  • Jaipol, Lohapol, Fatehpol are the main entry gates in Fort.
  • Dhanna and Bheeva 10 Pillars Chhatri Is also situated in Fort.
  • Rathod's Family Goddess (Kuldevi) Nagnechi Mata Temple is also situated in it.
  • Rudyard Kipling said that it was built by Fairies and Angels.
  • Chamunda Mata Temple, Suri Mosque, Murali Manohar and Anand Dhan Ji Temple are also some viewable places in Fort.

The correct answer is Interconnection and networks.

Key Points

• Internet:
  • The term Internet is derived from the words interconnection and networks. Hence, Option 4 is correct.
  • The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices.
  • It is a network of networks that consists of private, public, academic, business, and government networks of local to global scope, linked by a broad array of electronic, wireless, and optical networking technologies.
  • The Internet carries a vast range of information resources and services, such as the inter-linked hypertext documents and applications of the World Wide Web (WWW), electronic mail, telephony, and file sharing. 
  • The first web page address was http://info.cern.ch/hypertext/WWW/TheProject.html.
  • ARPANET adopted TCP/IP on January 1, 1983.
  • NCSA Mosaic ran on Windows computers was the first browser to surf the internet. 

Additional Information

• A computer network is mainly of four types:
  • LAN(Local Area Network)
  • PAN(Personal Area Network)
  • MAN(Metropolitan Area Network)
  • WAN(Wide Area Network) 

The correct answer is Calcium Carbonate.

Key Points

• The chief component of the nacre that constitutes the pearl is aragonite (CaCO₃).
• Nacre also contains a small amount of conchiolin, a hornlike organic substance (albuminoid) that is the main constituent of the mollusc's outer shell.
• Pearl also contains Magnesium Carbonate(MgCO₃) along with Calcium Carbonate.

Additional Information

• Calcium carbonate is a common substance found in rocks as the minerals calcite and aragonite and is the main component of eggshells, snail shells, seashells, and pearls. 
• The Molar Mass of Calcium Carbonate is 100.0869 g/mol.
• Melting point: 825 °C.

Here, all except Nohkalikai are names of different diseases while ‘Nohkalikai’ is a waterfall in India.

The Correct Answer is Option (2) i.e C.

• The C language is also known as the mother of all programming languages.
• C is a general-purpose programming language that is used for creating a variety of applications.
• C language was originally developed for writing operating systems. Unix Kernel and all of its supporting tools and libraries are written in C language.
• The C language is used for the following operations :
  • Operating systems
  • Development of new languages
  • Computation platforms
  • Embedded systems
  • Graphics and Games
• C++ and Java are the high-level languages and COBOL is a compiled English-like computer programming language.