The blood sucking organisms are: Leeches Which country becomes world's first country to develop COVID-19 vaccine: Russia Snake bite first affects the: Blood Circulation The only snake which builds a Nest:…

Petrology deals with: Study of Rocks in Earth Crust Science deals with production, control and application of very low temperature is called: Cryogenics The scientific study of aging is called: Gerontology…

Who was the First to observe ultraviolet Rays: William Ritter Blood Group was discovered by: Karl Landsteiner Transistor was discovered by: Bardeen and Shokley Dendrology is associated with the study of:…

Isotopes can be separated by: Distillation Old written material can be easily read by: Infra-Red Rays. Weigh of Javelin throw of Female is: 600 gram and Male 800 gram Who invented…

Dermatology is study of: Skin First synthetic fiber made by man: Nylon Type of Glass used in making lenses and Prism: Flint Glass Major ingredient of leather: Collagen Glass is made…

Time is measured by: Chronometer Purification of milk is measured by: Lactometer Ocean depth is measured by: Fathometer Humidity is measured by: Hygrometer Basra city in Iraq is situated on the…

Specific gravity of liquid is measured by: Hydrometer Minute electric current is measured by: Galvanometer Which international organization has no headquarter: G8 Darghai pass connects: Malakand with Mardan Khyber pass connects:…

MS Dhoni played in his 350th ODI. He announced his retirement from all forms of international cricket on: 15 August 2020 Nusrat Fateh Ali Khan Pakistani vocalist Died: August 16, 1997…

The Dynamo is device for converting: Mechanical energy into electrical energy The Italian sparrow is the national bird of Italy. Hazrat Muhammad (P.B.U.H) was about fifteen years old when a sacrilegious…

Who invented chronometer: John Harrison Geology - Study of the structure of the Earth One barrel is equal to how many US gallons: 42 How many furlongs in one mile: 8…