Explanation

• Vitamin D is essential for healthy bones.
  • Its deficiency leads to Rickets in children and Osteomalacia in adults. 
  • Sunlight is the best natural source of Vitamin D.

Additional information:

Deficiency effects:

• Bone pain
• Weak bones
• Skeletal deformities

Other Vitamin Deficiencies:

• Vitamin A: Night blindness
• Vitamin C: Scurvy
• Vitamin B7 (Biotin): Hair fall

Last verified on 17-01-2026

Explanation

Namaz commanded in Quran for 700 times.

Salat made compulsory in 10th Hijri.

Salat Juma became Farz in Madina.

32 times the word Zakat occurs in the Holy Quran.

22 times word Zakat is used in Makki Surahs.

Explanation

Explanation

The Author Al Qanoon Fi Tib (The Canon of Medicine ) is Ibn Sina

Published: in 1025

It is an encyclopedia of medicine in five books compiled by the Persian physician-philosopher Avicenna 

The Original title Al Qanoon Fi Tib: القانون في الطب

Explanation

The Conclusive Argument From God (Hujjat Allah al Baligha)

The Conclusive Argument of God is the masterwork of Shah Wallah of Delhi (1762)

Originally published on: 1979

Author of Hujjat Allah al Baligha: Shah Waliullah Dehlawi

Editor of Hujjat Allah al Baligha : Marcia Hermansen

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nd9-2-2023

Explanation

Silicon Valley, in the southern Area of California.

Silicon Valley is a nickname for San Francisco.

It is home to many start-ups and global technology companies.

Apple, Facebook, and Google are among the most prominent.

Explanation

The Jallianwala Bagh massacre, also known as the Amritsar massacre

Jallianwala Bagh Massacre took place on 13 April 1919

In Jallianwala Bagh massacre killing at least 379 people and injured over 1,200 other people.

Jallianwala Bagh is in Amritsar  Punjab, India

By General Reginald Dyer's order did the massacre take place in Jallianwala Bagh

NOW

Jallianwala Bagh is managed by the Jallianwala Bagh National Memorial Trust and was renovated between 2019 and 2021

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ND16-3-2023

Explanation

Explanation

Baluchistan is the biggest province of Pakistan by area.

It covers 42% of the area of Pakistan

Additional information:

• 37 districts are there in Balochistan.
• It has 8 divisions.
  
• Hingol is the largest river in Balochistan.
• It is located in the southwest of Pakistan.
• They became a province in 1970.
  
• The capital of Baluchistan is Quetta.

Explanation

The length of the common border between Pakistan and Afghanistan is 2611 km

...

The common border between Pakistan and Afghanistan called Durand Line

..

Durand line is drawn in 1893 between Mortimer Durand and Abdul Rahman

Durand line agreement between Mortimer Durand and Abdul Rahman.

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According to the Survey of Pakistan, the border between Pakistan and Afghanistan is 2611 km

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D19-3-2023