Answer: C) China Explanation:

I am Keyboard. A Keyboard has keys of letters, space button and enter button.

Answer: B) 6th April Explanation: 6 April was declared as the International Day of Sport for Development and Peace (IDSDP) by the UN General Assembly. On the occasion of the 2017 International Day of Sport for Development and Peace (IDSDP), the United Nations Office on Sport for Development and Peace (UNOSDP) launches the digital campaign #WePlayTogether to encourage organizations and individuals.

Answer: B) Cell biology Explanation: The branch of biology that studies the different structures and functions of the cell is called Cell Biology or Cytology.    A cell is the smallest unit of life that can replicate independently, and cells are often called the "building blocks of life"    Cell Biology deals with : Life cycle  Structure and organisation of cell organelles and their physiological properties.  Metabolic processes  Interactions with their environment  Signalling pathways.

Answer: C) 29 June Explanation: National Statistics day is celebrated annually 29th June, on the occasion of Birth anniversary of India’s eminent statistician Late Prof Prasanta Chandra Mahalanobis. It also commemorates the contributions made by PC Mahalanobis in the fields of statistics and economic planning.

Answer: B) 0 Explanation: No work done as there is no external external pressure in free expansion.    Hence, Work done in a free expansion process is Zero.

Pharaoh is the common title of the monarchs of ancient Egypt.   The Pharaoh in ancient Egypt was the political and religious leader of the people and held the titles 'Lord of the Two Lands' and 'High Priest of Every Temple'.

Answer: B) Bond order is proportional to the bond length Explanation: Bond order is proportional to the bond length is a False statement since Bond order is inversely proportional to the bond length.