Cotton Gin was invented by Eli Whitney in 1793, which is used to separate cotton seeds from cotton fiber.
Hence, it was an important invention because it dramatically reduced the amount of time it took to separate cotton seeds from cotton fiber.
Select one word substitution for the given words.To give up the throne
Who invented the atomic battery in 1912 ?
Which tribe of Pakistan performs a traditional dance form called 'Waziri Dance'?
Who among the following scientists invented dynamite?
Select the word which means the same as the group of words given.
Condition of sleep during certain parts of the year
The____Five year Plan of the Government of India(2012-17) is under drafting.
______ was the first person who discovered cells.
What did Wilhelm Conrad Roentgen discover?
Advertise with Us
RRB ALP & Technicians
Copyright © 2019 Sawaal.com | All Rights Reserved