Explanation

Lactometer is used for milk

**

A lactometer is an instrument that is used to check for the purity of milk by measuring its density.

 lactometer works on the principle of gravity of milk.

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Explanation

World Bank headquarters in Washington, USA

It was established in July 1944

Established during the Bretton Woods Conference

 Members: 189

Word Bank Partner institutions:

• IBRO,
• IDA,
• IFC,
• MIGA,
• ICSID (total of five institutions)

Pakistan joined the World Bank in 1950

Explanation

Mark Zuckerberg is known for co-founding Facebook.

He belongs to the USA. 

Facebook founded February 4, 2004.

Explanation

Vladimir Putin Putin has served continuously as president or prime minister since 1999:

as prime minister from 1999 to 2000 and from 2008 to 2012,

and as president from 2000 to 2008 and since 2012

Explanation

Explanation

The youngest to become president by election was John F. Kennedy at the age of 35.

35th  U.S. president 

Belongs to Democratic party 

Assassination  Nov 1963 

Explanation

The Lambert-Fisher glacier is considered the largest glacier in the world, located in Antarctica.

It is approximately 400 miles (640 km) long and 60 miles (97 km) wide.

It covering an area of about 100,000 square miles (260,000 square km).

Explanation

Ronald Ross was a medical doctor who received the Nobel Prize for Physiology or Medicine in 1902 for his work on the transmission of malaria.

He belonged to the British.

Explanation

James Watt, a Scottish engineer, patented improvements to the steam engine in 1781.

He significantly enhancing its efficiency and power, and revolutionizing industry and transportation.

Explanation

Shigeru Ishiba is the current & 102nd  prime minister of Japan since October 2024.

He won run-off election to become Japanese premier 

He replaced Fumio Kishida