Explanation

• “To show the white feather” means to behave in a cowardly way.
• It originally comes from the idea that a white feather symbolized lack of courage in fighting.
• It is used when someone avoids danger due to fear.

Last verified on 14-06-2026

Explanation

• Prophet Ismail (A.S) and Prophet Ishaq (A.S) are Brothers.
• Hazrat Sara (RA) was the mother of Hazrat Ishaq (RA).
• Hazrat Hajra was the mother of Hazrat Ismail (A.S).
• Hazrat Ibrahim (AS) was the father of Prophet Ismail (A.S) and Prophet Ishaq (A.S).

Last verified on 30-03-2026

Explanation

• Diamond is a naturally occurring allotropic form of carbon.
• Allotropy means a single element can exist in more than one form with different structures and properties.
• It is extremely hard.
• It has a high melting point.
• It is widely used in jewelry and cutting tools.

Additional information:

• Graphite – soft, good conductor
• Fullerenes (C60) – spherical molecules
• Carbon nanotubes – tubular, high strength
• Amorphous carbon – coal, soot
• Lonsdaleite – hexagonal diamond

Last verified on 17-01-2026

Explanation

• Battery is a device that converts chemical energy into electrical energy.
• Batteries work by using a galvanic cell.
• It is an electrochemical device made up of two electrodes and an electrolyte solution.

Last verified on 16-03-2026

Explanation

• Zest means پرجوش
• Distaste means نفرت یا کراہت

Last verified on 03-04-2026

Explanation

• Warsak Dam is located on the Kabul River.
• It was completed under the Colombo Plan .
• Construction began in 1949.
• The Dam was Opened in 1960.
• The height of the dam is 76 m.

Last verified on 30-03-2026

Explanation

• LED (Light Emitting Diode) is a semiconductor device that emits light when electric current passes through it.
• It is widely used in lighting, displays, electronic indicators, and screens.

Additional information:

• Energy efficiency: Up to 90% more efficient than traditional bulbs
  First discovery: H. J. Round – 1907
  Early research: Oleg Losev – 1927
  Practical LED development: James R. Biard – 1961
  First commercial production: October 1962 (Nick Holonyak)

Last verified on 12-03-2026

Explanation

Explanation

Technocrats means ٹیکنیکی اصول کا حامی

Explanation

• Quaid-e-Azam inaugurated the State Bank of Pakistan.

• Founded	1-Jul-1948
  Founded by	M.A Jinnah
  First Governor	Zahid Hussain
  First Female Governor	Shamshad Akhtar
  SBP Responsibitly	implement monetary policy
  HQ	Karachi, Sindh