Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Neutrons were discovered by
James Chadwick
Ernest Rutherford
J. J. Thomson
John Dalton
In prokaryotic organisms, nuclear region is not surrounded by a membrane. This undefined nuclear region is known as
Nucleic acid
Nucleoid
Nucleolus
Nucleosome
Number of molecules of water of crystallization in copper sulfate, sodium carbonate, and Gypsum are
5, 10 and 2 respectively
10, 2 and 5 respectively
5, 2 arid 10 respectively
2, 5 and 10 respectively
Which one of the following was the first mineral acid discovered?
Sulphuric acid
Hydrochloric acid
Nitric acid
Phosphoric acid
Which one of the following cell organelles may play a role in expelling excess water and wastes in the case of unicellular organisms?
Lysosome
Vacuole
Golgi body
Endoplasmic reticulum