Question Discussion & Solution

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.

Logic:

Almirah, Safe, and Cupboard can be closed. They have doors whereas Rack is an open framework.

Important PointsRack means a framework, typically with rails, bars, hooks, or pegs, for holding or storing things.

Hence, rack is the odd one out.

The correct answer is Hydrogen.

Key Points

• Hydrogen has atomic number 1 and is placed in group 1 along with alkali metals.
• It is the first element in the periodic table.

​Additional Information

• Hydrogen was discovered by Henry Cavendish.
• Hydrogen gas is called the fuel of the future.
• The most abundant element in the universe is Hydrogen.
• The most abundant element on earth's crust is Oxygen.
• Hydrogen is the 'lightest element' in the periodic table.
• Lithium is the 'lightest metal' in the periodic table.

Concept-

• The stem is the ascending part of the axis bearing branches, leaves, flowers, and fruits.
• It develops from the plumule of the embryo of a germinating seed.
• The stem bears nodes and internodes. 
• The main function of the stem is spreading out branches bearing leaves, flowers, and fruits.
• It conducts water, minerals, and photosynthates. 

Explanation-

• Some stems perform the function of storage of food, support, protection, and of vegetative propagation. 
• The stem may not always be typically like what they are expected to be.
• They are modified to perform different functions.
• Underground stems of potato, ginger, turmeric, zaminkand, Colocasia are modified to store food in them.

Therefore turnip is not the stem.

Additional InformationTurnip

• Roots in some plants change their shape and structure and become modified to perform functions other than absorption and conduction of water and minerals.
• They are modified for support, storage of food, and respiration.
• Taproots of carrot, turnip, and adventitious roots of sweet potato, get swollen and store food.