Explanation

Mitochondria is known as powerhouse of cell because it serves as site for synthesis of Adenosine Triphosphate (ATP),

the energy currency of cell, through the process of aerobic cellular respiration.

ATP serves as energy currency for different cell activities.

A cell consists of three parts:

1. The cell membrane,

2. The nucleus, and,

3. Between the two, the cytoplasm.

Explanation

Cooking gas, also known as liquified petroleum gas (LPG), is a mixture of propane and butane.

It is a flammable mixture of hydrocarbon gases.

Explanation

• Sunlight is a good source of vitamin D.
• When our skin is exposed to sunlight, it produces vitamin D.
• It is essential for bone health, immune function, and the regulation of calcium levels in the blood.

Explanation

One of the early signs of vitamin A deficiency is night blindness (nyctalopia).

while

Vitamin K deficiency leads to uncontrolled bleeding during an injury.

A deficiency of Vitamin D results in Rickets

Explanation

Hazrat Umer (R.A) introduced the Jail System in Islam

Hazrat Umer was the second caliph of Islam.

He ruled from August 634 until his assassination in 644.

He was the father-in-law of the prophet Muhammad. 

He became the first Muslim to pray at the Kaaba openly. 

He has participated in almost all battles

He embraced Islam when he was about 32 years old in 616 AD.

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ND29-1-2023

Explanation

• A tooth of the Holy Prophet (PBUH) was broken at the Battle of Uhud.
• The Battle of Uhud was a battle fought in 625 CE, where the Prophet Muhammad (SAW) was wounded and had two teeth broken.

Explanation

Hazrat Muhammad SAW preached Islam secretly for three years. 

Openly preaching start in 4 Nabvi.

Explanation

The Family of the Prophet Hazrat Muhammad ﷺ was Hashmi and the Tribe was Quraish.

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Holy Prophet Hazrat Muhammad ﷺ great-grandfather was Hashim ibn Abd Manaf, for whom the tribe is named.

Members of this clan are referred to as Hashmi.

Banu Hashim is a clan in the Quraysh tribe.

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Explanation

Hazrat Abu Bakr was a sahabi, one of the companions of Muhammad and the first Caliph of Islam.

He was also Muhammad's father-in-law through Aisha.

His real name was Abdullah or Abul-Kaaba and Abu Bakr was his kunya.

Hazrat Usman gave the idea to Hazrat Abu Bakar to collect the Quran in the form of a book

At the suggestion of Hazrat Umar (RA), Hazrat Abu Bakr ( R.A) entrusted the task of compilation of the holy Quran to Zaid bin Sabit (RA).

Holy Quran Collect in the reign of Hazrat Abu Bakr RA was done by Hazrat Zaid RA between 11 to 14 Hijri (632-34).

Explanation

ʿUmar ibn al-Khaṭṭāb was the second Rashidun caliph, ruling from August 634 until his assassination in 644.