Question Discussion & Solution

The correct answer is BIOS.

BIOS is not a computer operating system.

Important Points

• BIOS (basic input/output system)
  • It is a program that is used by a computer's microprocessor to start the computer system after it is powered on.
  • It also manages data flow between the computer's operating system (OS) and attached devices, such as the hard disk, video adapter, keyboard, mouse and printer.

Key Points

• The Unix
  • A Unix family is a diverse group of operating systems, with sub-categories including System V, BSD, and Linux.
  • The name "UNIX" is a trademark of The Open Group which licenses it for use with any operating system that has been shown to conform to their definitions. 
• macOS 
  • It is an open core graphical operating system.
  • It is developed, and marketed, and sold by Apple Inc.
• Microsoft Windows
  • It is a family of proprietary operating systems designed by Microsoft Corporation.
  • It is primarily targeted at Intel architecture based computers.

Additional Information

• Operating system
  • An operating system (OS) is system software that manages computer hardware, software.
  • An operating system is a large and complex system.
  • OS system components include:
    • File,
    • Process,
    • Memory,
    • I/O device management.

The correct answer is Prime minister.

Key Points

• Prime Minister is the ex-officio chairman of the NITI Aayog in India.
• NITI Aayog is an executive body, that was established by the government in 2015, through an executive resolution.
• The newly created body replaced the erstwhile planning body- the Planning Commission of India.
• The term NITI stands for National Institution for Transforming India.
• NITI Aayog is a think tank that advises the government in policy formulation, unlike the Planning commission which was empowered to allocate and distribute funds for the planning.
• NITI Aayog's main focus areas are cooperative & competitive federalism, decentralized planning, scenario planning, capacity building, etc.

Additional Information

• Full-Time Organisational Framework:
  • Chairman: Prime Minister
  • Vice Chairperson: Rajiv Kumar
  • Chief Executive Officer (CEO)- Shri Amitabh Kant
  • Full-Time members- Shri VK Saraswat (former DRDO Chief), Prof. Ramesh Chand (Agriculture Expert), and Dr. VK Paul (Public Health expert)
  • Ex-officio members: maximum 4 
  • Special Invitees: Experts and practitioners as appointed by the Prime Minister.

The correct answer is Tartaric acid.

• Tartaric acid is an organic acid that is white and crystalline.

Key Points

• It is found naturally in many fruits like grapes, bananas, tamarind, etc.
• This acid is added to foods as an antioxidant and to give its distinctive sour taste.
• Crystals and powders are prepared by a chemical process.
• It is also added to food for preservation.
• It is also a good antioxidant and is beneficial for kidneys.
• It helps to absorb minerals in the body.
• It is also helpful in controlling problems related to gases in the body.

The correct answer is 30 October 1974.

• Rajasthan State Mines & Minerals Ltd. was established on 30 October 1974.

Key Points

• The prime objective of RSMML is to achieve cost-effective technological innovations in the mining of minerals and to diversify into mineral-based downstream projects
• The major activities of the company have been divided into four parts called Strategic Business Units & Profit Centres (SBU & PC) under the direct control of the corporate office situated at Udaipur. 
• The four SBU & PC are as follow
  • SBU & PC Rock phosphate, Udaipur
  • SBU & PC Gypsum, Bikaner
  • SBU & PC Limestone, Jodhpur
  • SBU & PC Lignite, Jaipur

The correct answer is option 4, i.e. Ocean, snow and rain, underground water.

• Water resources available on earth are :
  • Freshwater: Glaciers, ice caps, and snow
  • Groundwater
  • Oceans, seas, streams, rivers, lakes, ponds
  • Wetlands- lagoons, swamps, and marshes
  • Precipitation- Rain, snow, and dew

Hence, from the above points, we can clearly infer that the resources of water on the earth are ocean, snow and rain, underground water.