Question Discussion & Solution

Udaipur is NOT correct.

• The princely state, Udaipur which was not the part of Rajasthan Union formed on 25th March 1948.
• The Kota Naresh (Bhim Singh II) was appointed as the Rajpramukh and Shri Gokul Lal Asawa was appointed as the Chief Minister.
• State merged:
  • Banswara, Bundi, Dungarpur, Jhalawar, Pratapgarh, Kota, Tonk, Shahpura, Kishangarh.

Additional Information

Stages of the Unification of Rajasthan:

• Matsya Union: The first stage took place on 18 March 1948.
  • Bharatpur, Dholpur, Karauli and Alwar formed Matsya Union.
  • Shobhlal Kumawat became the Prime Minister.
  • Capital - Alwar
• Rajasthan Union: The second stage took place on 25 March 1948.
  • Banswara, Bundi, Dungarpur, Jhalawar, Kishangarh, Pratapgarh, Shahapura, Tonk and Kota formed a Rajasthan Union separate from Matsya Union.
  • The head of Kota was appointed as the Rajpramukh and Shri Gokul Lal Asawa was appointed as the Chief Minister.
• United of Rajasthan: In the third stage on 18 April 1948 Udaipur was merged into Rajasthan Union.
  • Manikyalal Verma became the Prime Minister.
  • Capital - Udaipur
• Greater Rajasthan: In the fourth stage on 30 March 1949, Jaipur, Jodhpur, Bikaner and Jaisalmer are merged into United Rajasthan.
  • Heeralal Shashtri became the Prime Minister.
  • Udaipur king Bhupal Singh became Chief King.
• United States of Greater Rajasthan: In the fifth stage on 15 May 1949, Matsya Union was merged with Greater Rajasthan. 
  • Heeralal Shashtri became the first Chief Minister of Rajasthan.
• United Rajasthan: The sixth stage was completed by 26 Jan 1950.
  • 18 states of the United Rajasthan & princely state of Sirohi got merged with the exception of Abu & Delwara.
• Rajasthan: The seventh stage was completed on 1 November 1956.
  • Ajmer – Merwara, Abu – Dilwara (Sirohi) and Sunel Tappa of Bhanpura tehsil of Mandsaur district of Madhya Pradesh were included in Rajasthan and the Sironj subdivision of Jhalawar was given to Madhya Pradesh.
  • Mohanlal Sukhadia became Chief Minister and Gurumukh Nihal Singh became Governor.

The correct answer is World Wide Web.

Key Points

• Web service is a standardized medium to propagate communication between the client and server applications on the WWW (World Wide Web). 
  • A web service is a software system that supports interoperable machine-to-machine interaction over a network.
  • It has an interface described in a machine-processable format (specifically, Web Service Definition Language, or WSDL).
  • Web services fulfil a specific task or a set of tasks.
  • The nature of the interface hides the implementation details of the service so that it can be used independently of the hardware or software platform on which it is implemented and independently of the programming language in which it is written.

Additional Information

• A protocol is a set of rules or procedures for transmitting data between electronic devices, such as computers.
• The protocol that is used for transferring both text and binary files over the Internet is File Transfer Protocol (FTP).
• Hypertext Transfer Protocol (HTTP) is a protocol for transmitting hypermedia documents, such as HTML.
• Hypertext Transfer Protocol Secure (HTTPS) is a secure version of the HTTP protocol that uses encryption and authentication.

The correct answer is Musca domestica.

• The scientific name of Housefly is Musca domestica.

Additional Information 

Concept

The javac command in Java compiles a program from a command prompt.

It reads a Java source program from a text file and creates a compiled Java class file.

Syntax

javac filename [options]

For example, to compile a program named Abc.java, use this command:

javac Abc.java

The correct answer is Sodium and potassium.

Key Points

• Sodium and Potassium metals are the two metals which are soft and can be cut with a knife.
  • Both belong to Alkali metals [first group of periodic table]
  • They are reactive metals.
  • As the atomic size increases down the group, so the force of attraction between the valence electron and nucleus decreases. 
  • Metallic bonds are not strong.
  • Potassium is softer than sodium.

Additional Information 

• Mercury- In a liquid state at room temperature, It is unique as a metal.
  • Mercury (Hg), also known as quicksilver.
  • Atomic Number- 80
• Zinc- Related to low Melting group.
  • Atomic Number- 30
  • Symbol- Zn
• Tin- It is a soft silvery-white metal with a bluish tinge.
  • Atomic Number- 50
  • Symbol- Sn