Explanation

A Vernier caliper provides precise linear measurements of small objects.

It can measure internal, external, and depth dimensions with high accuracy (usually up to 0.1 mm or 0.01 cm).

The least count of a Vernier caliper is 0.02mm.

Explanation

Copper is a good conductor of heat.

That's why it’s used in cooking utensils and electrical wiring.

Wood, plastic, and glass are poor conductors (insulators), meaning they do not transfer heat easily.

Explanation

The 1973 Constitution recognizes Urdu as Pakistan's only national language.

The 1973 Constitution contained:

•  280 articles
•  07 schedules with Objective Resolution.
• 12 chapters 

Effective date: 14 August 1973

Drafted by the Government of Zulfiqar Ali Bhutto

The Constitution declared Pakistan an Islamic Republic and Islam as the state religion.

Confusion

Urdu is the national language of Pakistan since 14 August 1947.

In 1954 Urdu and Bengali were declared the national languages of Pakistan.

The 1973 Constitution recognizes Urdu as Pakistan’s only national language. 

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Urdu declared as official language In the subcontinent in 1932

ND5-5-2023

Explanation

Evaporation is the process where liquid water turns into water vapour due to heat.

It is a key part of the water cycle, occurring from surfaces like oceans, lakes, and soil.

Explanation

Pakistan's longest border is shared with India.

The border is approximately 2,912 kilometers long. 

It's known as the International Border (IB)

The boundaries between India and Pakistan include the 24th Parallel, Line of Control (LoC), and the Working Boundary.

24th parallel line is also known as Sir Creek.

The Radcliffe Line between India and Pakistan that came into effect on August 17, 1947.

The line was named after Sir Cyril Radcliffe.

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Explanation

Mandarin Chinese has the highest number of native speakers.

It primarily due to China's large population.

While English is widely spoken as a second language.

It is the most common lingua franca globally, it does not have as many native speakers as Mandarin.

Explanation

The cell is the smallest unit of life.

Cells are called ‘structural’ and ‘functional’ units for a reason.

Cells are made of molecules which are in turn made up of atoms.

“Cell is the unit of LIFE” is that a cell is the smallest living entity in a living system.

Explanation

Explanation

Water (H₂O) is an inorganic compound as it does not contain carbon-hydrogen (C-H) bonds.

Alcohol, chloroform, and ethane are organic compounds because they contain carbon atoms bonded to hydrogen.

Explanation

The heart is part of the circulatory system, not the digestive system.

The stomach, small intestine, and large intestine are all key parts of the digestive system.