Explanation

Explanation

• Arterial blood contains approximately 50 mL of CO₂ per 100 mL of blood.
• Most CO₂ is transported in the form of bicarbonate ions (HCO₃⁻).

Last verified on 04-10-2026

Explanation

• Pakistan's second Constitution was enforced on 8 June 1962.
• It was introduced during the rule of Field Marshal Muhammad Ayub Khan.
• It introduced a presidential system instead of a parliamentary system.

Additional information:

• 23 March 1956 – First Constitution enforced.
• 14 August 1973 – Third (current) Constitution enforced.

Last verified on 07-07-2026

Explanation

• Hazrat Abu Bakr (R.A) entrusted the compilation of the Holy Quran to Hazrat Zaid bin Thabit (R.A).
• This decision was made after many Huffaz (memorizers of Quran) were martyred in the Battle of Yamama.
• Hazrat Umar (R.A) suggested compiling the Quran in written form for preservation.
• Hazrat Zaid bin Thabit (R.A) collected verses from written materials and memories of companions.
• This ensured the safe preservation of the Holy Quran in a single manuscript.

Last verified on 25-06-2026

Explanation

• Prophet Muhammad ﷺ: Used a white flag.
• White flag: Associated with the Muslim army and the early Muslim state.

Explanation

• The treaty allowed for a temporary truce between Muslims and Quraysh.

• Key Signatories:

  • Muslims: Prophet Muhammad ﷺ, Ali ibn Abi Talib (scribe)
  • Quraysh Mecca: Suhail bin Amar

• Year Signed: 628 AD / 6 Hijri
• Month: Dhu al-Qi’dah (March 628)
• Duration: 10 years
• Clauses: 7
• Location: Near the tree called Hudaybiah

Last verified on 02-02-2026

Explanation

• The shortcut key to insert a new slide in a PowerPoint presentation is Ctrl + M.

Additional information:

• Ctrl + N shortcut key used to create a new presentation document.
• Ctrl + S shortcut key used to save a presentation.

Last verified on 29-05-2026

Explanation

Explanation

• Ctrl + D: Fill Down
• Ctrl + R: Fill Right

Additional information

• SUM(): Adds/total values in a range
• COUNT(): Counts cells containing numbers
• MOD(): Returns the remainder after division

Explanation

• Cells: Used in MS Excel to outline or separate data.
• Paragraphs: Used in MS Word to frame blocks of text.
• Text: Can be applied to selected text or lines.