Questions

The Prolactin Protein regulates milk production in mammals.

The highway transportation system has helped to reduce traffic deaths with its easy flow of traffic under rash driving rules and also it helped to country economically.

With reforms in the public sector banking space, the government has constituted a ministerial panel headed by Finance Minister Arun Jaitley that will oversee merger proposals of state-owned banks. The other members of the panel include Railway and Coal Minister Piyush Goyal and Defence Minister Nirmala Sitharaman.

Ram Sewak Sharma (born 1955) is an Indian bureaucrat. Currently, he is the Chairman of Telecom Regulatory Authority of India (TRAI).

Rig veda   =  ayurveda

Yajur veda =  dhanurvedha

Samavedha  =  gandharvavedha

Atharvaveda  =  shilpa veda

Adolf Hitler was involved in the Holocaust.

The Holocaust, also referred to as the Shoah, was a genocide during World War II in which Nazi Germany, aided by its collaborators, systematically murdered approximately 6 million European Jews, around two-thirds of the Jewish population of Europe, between 1941 and 1945.

Semiconductors are those materials that are neither good conductors nor the good insulators of heat and electricity. Silicon (Si), Germanium (Ge) and Cadmium Sulphide (CdS) are semiconductors which work as conductors in some special conditions only.

The given sentence is in simple past. No improvement required.