Questions

Karanji lake is artificial fresh water lake built in 1362.

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.

To Confucius, Five Relationships were inportant : between ruler and subject

father and son

husband and wife

older brother and younger brother

older friend and younger friend

Another name for the governor of the state is Chief Executive of the state.

And we also know that, The attorney general is the head of the US Department of Justice, The vice president is just under the president of the US and The secretary of state is the head of the US Department of State.

A DVD is an example of Optical Disc.

From the given conditions ,

only A = 27 yrs satisfies.