b) We study past events, especially events of a particular period or country in Geography. - It's false. We study past events, especially events of a particular period or country in History.
c) We do exercise and learn to play sport in PE. - It's correct.
d) We study the language people from the US, the UK, and in many other countries speak in Music. - It's false. We study the language people from the US, the UK, and in many other countries speak in English.
e) We study living organisms, their structure, functioning, evolution in Biology. - It's correct.
f) We see maps, learn about other countries, cities, population in Geography. - It's correct.
g) We study forces such as heat, light, sound, pressure, gravity and electricity in Literature. - It's false. We study forces such as heat, light, sound, pressure, gravity and electricity in Physics.
h) We do experiments in IT. - It's false. We do experiments in Chemistry