Explanation

Geroge Stephenson designed the railway steam engine 

The locomotives were the work of Stephenson and his son Robert.

Explanation

Explanation

The bank that started issuing travellers' cheques for the first time in 1891 is American Express. 

Founded: March 18, 1850, in Buffalo, New York, U.S.

Headquarters: 200 Vesey Street, New York City, U.S.

It developed its

• First paper charge card in 1958
• Gold card in 1966
• Green card in 1969
• Platinum card in 1984
• Centurion Card in 1999

Explanation

The Olympic Games of 1972 were referred to as the "Bloody Olympic Games"

It was held in Munich, Germany

Due to a terrorist attack that occurred during the games

Resulting in the death of 11 Israeli athletes, a West German police officer, and five terrorists.

Explanation

At the time of the partition of Punjab, there were nineteen jails in the province. 

21 jails were constructed in Punjab province after partition.

Number

Central Jails 9

District Jails 25

Sub Jails 2

Women Jails 1

Borstal Institutions & Juvenile Jails 2

High Security Prison 1

Total Jails in Punjab: 43

Jails Constructed After Partition :21

Explanation

Liverpool is situated on the banks of the River Mersey. 

It is a port city and metropolitan borough in Merseyside, England.

It is located on the eastern side of the Mersey Estuary, near the Irish Sea

Founded: 1207

City status: 1880

Metropolitan borough: 1 April 1974

The name comes from the Old English lifer, meaning thick or muddy water, and pol, meaning a pool or creek.

Its name is first recorded around 1190 as Liuerpul

Explanation

Explanation

International Teachers Day is an international day held on October 5.

This day was Established in 1994

Theme 2020: Teachers: Leading in Crisis, Reimaging the Future

Theme 2021: Teachers at the heart of education recovery

Theme 2022: The Transformation of Education Begins with Teachers

Theme 2023: "The Teachers We Need for the Education We Want: The Global Imperative to Reverse the Teacher Shortage"

Explanation

• Humans are born with around 300 bones, but as they grow and develop.
• Some of these bones fuse together, resulting in a total of 206 bones in the adult human skeleton.
• This process of bone fusion, called ossification.

Explanation

Calcium phosphate, specifically hydroxyapatite, is the main component of bones and teeth.

It is a calcium salt of phosphoric acid.

It is the primary mineral constituent of bone tissue, making up about 70-80% of bone dry weight.

Calcium phosphate gives bones and teeth their strength and rigidity.