Question Discussion & Solution

The correct answer is option 3 i.e Backup.

Key Points

• Protecting data by copying it from the original source to a different destination is called Backup.
  • Backups can be used to recover data after its loss from data deletion or corruption.

Additional Information​ 

• The activity of creating sectors and tracks on a hard disk is called Formatting.
• The process of unauthorised access to information system is called Hacking.
  • One who does hacking is called Hacker.
  • Hackers are mainly classified as White Hat Hackers, Black Hat Hackers, Gray Hat Hackers.
• Data diddling is the unauthorised changing of data before or during their input to a computer system.

The pattern followed here is:

Hence, ‘JGW’ complete the series.

The correct answer is Transpiration.

• Transpiration is the loss of water from a plant in the form of water vapour.

 Additional Information

• The amount of water that plants transpire varies greatly geographically and over time.
• The transpiration depends upon
  • Temperature,
  • Relative humidity,
  • Wind and air movement,
  • Soil moisture availability and
  • Type of plant.

Guttation

• Guttation is the loss of water in the form of water droplets from hydathodes (small pores) on the leaf margin of some vascular plants.

Evaporation

• Evaporation is the process by which water changes from a liquid to a gas or vapour.

Translocation

• The movement of sucrose and other substances like amino acids around a plant is called translocation.

The correct answer is the Pie Chart.

• In Ms-Excel, pie charts show percentages adding up to 100%.

​Key Points

• Pie charts
  • ​Pie charts are used to show parts of a whole.
  • Specifically, pie charts illustrate meaningful relationships between percentages or parts of 100%.
  • If the data which we want to display add up to 100%, a pie chart is the best choice.
  • When creating a pie chart, the description of each section is called the category, and the number connected to the category is called the value.

Additional Information

• Column Chart
  • ​A column chart is a graphic representation of data. 
  • Column charts display vertical bars going across the chart horizontally, with the values axis being displayed on the left side of the chart.
  • Column Charts are Used to Compare Data.
• Bar Chart
  • ​Bar graphs are used to compare things between different groups or to track changes over time.
  • A bar chart is a way of summarizing a set of categorical data (continuous data can be made categorical by auto-binning).
• Bubble Chart
  • ​Bubble charts are often used to present financial data.
  • It is an extension of the scatter plot used to look at relationships between three numeric variables.

The correct answer is Rakesh Sharma.

Key Points

• Rakesh Sharma is the first Indian to enter space.
  • He was selected as a cosmonaut for a joint Soviet-Indian spaceflight in 1982.
  • He made history by becoming the first Indian to travel to space in 1984.
  • He flew on Soyuz T-11 with commander Yury Malyshev and flight engineer Gennady Strekalov, to the space station Salyut 7 on 3^rd April 1984.
  • Rakesh Sharma and his crewmates landed in Kazakhstan on 11^th April 1987 after the successful completion of the mission.
  • He is the only Indian citizen to travel in space.

Additional Information

• Kalpana Chawla was the first Indian-origin woman to enter space.
  • She was killed in the space shuttle Columbia disaster on 1st February 2003.
• Sunita Williams is the second Indian-origin woman to enter space.
  • The first marathon in space was run by Sunita Williams.
• Yuri Gagarin is the first man to enter space.
• Ravish Malhotra was an Air Force test pilot in India. 
  • He served as a backup for Rakesh Sharma on the Soyuz T-11 mission.