Question Discussion & Solution

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 B12.

• Cobalamin is the scientific name of B12.

Key Points

• Vitamins:
  • It was first invented by FG Hopkins.
  • The term vitamin was coined by C Funk.
  • Vitamins provide no calories, they only regulate chemical reactions occurring in the metabolism of the body.
    • Water-soluble vitamins are Vitamin-B and Vitamin-C.
    • Fat-soluble vitamins are Vitamin-A, Vitamin-D, Vitamin-E and Vitamin-K. {Trick to remember: KEDA does not dissolve in water}
• Vitamin-B12:
  • Its chemical name is cobalamin.
  • Cyanocobalamin is a man-made form of vitamin B12.
  • Cobalt is found in Vitamin-B12. 
  • It is water-soluble.
  • Its deficiency causes Pernicious anaemia.
  • Its rich sources are Meat, poultry, fish, eggs, milk.

Additional Information​

First is managed by the second.

Thus, Jailor is the related to prison.

The correct answer is Charles Babbage.

• Charles Babbage is considered to be the ‘Father of Modern Digital Computer’.

Key Points

• Digital computer, any of a class of devices capable of solving problems by processing information in discrete form.
  • It operates on data, including magnitudes, letters, and symbols, that are expressed in binary code—i.e., using only the two digits 0 and 1.
  • Examples of digital electronic computers include the IBM PC, the Apple Macintosh as well as modern smartphones.
• Today computers are being used almost everywhere like schools, colleges, hospitals, offices, railway stations, hotels, etc.
• A computer system is multitasking so that you can do two tasks very easily at the same time.

Additional Information

• Storage Capacity of Computer
  • Computer systems have a very large capacity to store any type of data.
  • A computer can store and resell any information due to its storage capacity. 
  • Computers have the ability to store all types of data such as data, pictures, files, programs, games, and sound for many years and later we can get any data in a few seconds at any time for taking that information and for future retrieval.
• Reliability of Computer
  • Reliability is a very big characteristic of computers.
  • Today almost all the big industries or big e-Commerce companies like Amazon and Flipkart, and big search engine companies like - Google and Bing, all these companies are dependent on computers. 
  • Today every major industry and company in the world has full confidence in their computers, and their entire business is running from computers.
• Diligence of Computer
  • A person gets tired of doing some work in a few hours and a computer has the ability to do any work continuously for many hours, days, months. 
  • Even after the computer has worked for such a long time, there is no decrease in its ability to work and its accuracy.
  • The computer does work without any discrimination.
    • A computer is free from monotony and tiredness.
• Accuracy of Computer
  • A computer is very accurate.
    • It does not make any kind of mistake in calculating.
    • Sometimes we get some errors but these are because of the mistake performed by us.
  • The Accuracy of the computer is constantly high and it can perform hundreds of operations with the carry-out calculation and analysis accurately and speedily.

The correct answer is All of the above.

Key Points

• The major factors responsible for Desertification such as:
  • High temperature
  • High wind velocity.
  • Low vegetation.
  • High rainfall.
  • Overgrazing.
  • The exploitation of natural resources.
  • Soil pollution.
  • Climatic variability.

Additional Information

• The Thar desert is also known as The Great Indian Desert.
• It is spread over four states in India:
  • Punjab
  • Haryana
  • Gujarat
  • Rajasthan
• Thar Desert of Rajasthan, also known as the Great Indian Desert is a large arid region in the northwestern part of the Indian subcontinent and forms a natural boundary running along the border between India and Pakistan with an area of more than 100,000 km.
• It extends from the Sutlej river and is surrounded by the Aravali ranges on the east, on the south by the salt marsh known as the Great Rann of Kutch.
• The Annual Average rainfall is around 20-50mm.