Question Discussion & Solution

The correct answer is Desktop.

Key Points

• The first thing you see when you open your computer is called the desktop.
  • From the top left of the screen to the bottom left, you'll see some small pictures called icons.

Additional Information

• My Documents -
  • This folder is a component of a user profile that is used as a unified place to store personal data.
  • By default, the My Documents folder is a folder in a user's profile that is used as the default storage location for saved documents.​
• My Computer -
  • My computer is a system folder.
  • With the help of this, we can see all the drives. And can work with them too.
• Downloads -
  • In computer networks, download refers to receiving data from a remote system.
  • Generally a server like as a web server, an FTP server, or another similar system.​

The correct answer is Total Internal Reflection of Light.

Key Points

• Total Internal Reflection of Light
  • When a light ray, traveling from a denser medium towards a rarer medium is incident at the interface at an angle of incidence greater than the critical angle, then the rays are reflected back into the denser medium.
  • Practical Applications of Total Internal Reflection
  1. The working of optical fiber is based on total internal reflection.
  2. Mirage is formed due to total internal reflection.
  3. The brilliance of diamonds is mainly due to the total internal reflection of light inside them.

Additional Information

• Reflection of Light
  • The phenomenon of rebounding back of light rays in the same medium on striking a smooth surface is called reflection of light.
  • Silver metal is one of the best reflectors of light.
• Diffraction of Light
  • The phenomenon of bending of light around the corners and the spreading of light within the geometrical shadow of the opaque obstacles is called diffraction of light.
• Refraction of Light
  • Change in the path of a light ray as it passes from one medium to another is called refraction.

Concept:

• Food comprises constituents like proteins, carbohydrates, fats and supplementary substances such as minerals, vitamins and water that are vital for life.
• These constituents are known as nutrients. For proper functioning of our body, we need to consume bodybuilding foods (e.g. milk, meat, poultry, fish, eggs, pulses, groundnuts); energy-giving foods (e.g. cereals, sugar, roots, fats and oils); and protective foods (e.g. vegetables, fruits).

Explanation:

• Carbohydrates are the main source of energy for our body.
• Carbohydrates are of two types – simple and complex.
• Simple carbohydrates - These are quick-energy foods, e.g. sugar. Sources of simple carbohydrates are natural fruits, milk and milk products, and vegetables including potatoes and carrots.
• Complex carbohydrates - These are better sources of energy than sugar since they are released slowly. Sources of complex carbohydrates are bread, cereals (rice, wheat, bajra, corn, barley, ragi, sorghum, millets etc.),

Gram is not a source of carbohydrate, it is a source of protein.

Additional Information

Proteins:

• proteins are obtained from the animal as well as vegetable sources. Proteins of animal origin are found in milk, eggs, cheese, fish and meat.
• Proteins from these sources contain all the essential amino acids (EAA) in adequate amounts.
• Vegetable proteins are found in pulses (legumes), cereals, beans, nuts, oilseeds, etc

Hypertext transfer protocol (HTTP):

• HTTP is used to access data on the world wide web. HTTP functions as a combination of FTP and SMTP. HTTP uses the services of TCP port number 80. HTTP is a stateless protocol.
• HTTP prior to version 1.1 specified a non-persistent connection, while a persistent connection is a default.
• In a non-persistent connection, one TCP connection is made for each request/ response. The client opens a TCP connection and sends a request and server sends the response then closes the connection.

File Transfer Protocol (FTP):

• FTP stands for file transfer protocol. It is provided by TCP/IP for copying a file from one host to another. FTP can transfer a file through one of the following three modes: stream mode, block mode and compressed mode. Stream mode is the default mode.
• FTP uses two TCP connections one for data and another for control.

Simple Transfer Protocol (SMTP):

• SMTP is a push protocol, it can push the messages from the client to the server only.
• SMTP uses one TCP connection at a time

TELNET:

• TELNET is a client/ server application that allows a user to log on to a remote machine, giving the user access to the remote system.
• TELNET uses one TCP connection at a time.

Important Point:

Option 1 is not correct since HTTP might have more than one TCP connections for a single web page.

The correct answer is section - 372.

Key Points

• Selling children for prostitution comes under section 372.
  • According to section 372, when a woman under the age of eighteen years is sold, hired, or otherwise disposed of to a prostitute or any person who owns or operates a brothel, such woman shall be disposed of. The person, unless the contrary is proved, is presumed to have housed her with the intention that she would be used for the purpose of prostitution.
  • Sections 372 and 373 make the sale and purchase of minor girls for the purpose of prostitution an offense punishable with imprisonment of either description for a term which may extend to 10 years and also with a fine.
  • Metropolises such as Mumbai, Delhi, and Kolkata are major players in the prostitution industry.
  • The Ministry of Home Affairs produced a report in 2016 titled National Crime Records Statistics, which depicts crimes against women among other crimes.

Additional Information

• ​According to Section 361- kidnapping from lawful guardianship means, whoever takes or entices any minor under (sixteen) years of age if, without the permission of any guardian, a male or under-(eighteen) year of a child, or any adult of unsound mind, is said to have kidnapped any minor or adult from legal guardianship.
  • The purpose of this section is to protect minors and unsound-minded persons from being exploited and to protect the rights of guardians who have their wards’ lawful charge or custody. 
• According to section 398 of the Indian penal code, If, at the time of attempting to commit robbery or dacoity, the offender is armed with any deadly weapon, the imprisonment with which such offender shall be punished shall not be less than seven years.
  • The punishment for IPC 398 is Rigorous Imprisonment for not less than 7 Years.
• Section 376 - Punishment for rape:
  •  Whoever, except in the cases provided for in subsection (2), commits rape, shall be punished with rigorous imprisonment of either description for a term which shall not be less than seven years, but which may extend to imprisonment for life, and shall also be liable to fine.
  • IPC 376 is a Non-bailable offence.