Explanation

• Iodine deficiency causes goiter, an enlargement of the thyroid gland.
• Iodine is essential for the production of thyroid hormones.
• Severe iodine deficiency during pregnancy or early childhood can impair brain development.

Last verified on 07-09-2026

Explanation

• A cell is the basic unit of life.
• Different parts of the cell have different functions.
• Genetic material controls heredity and traits.
• It is mainly found in a specific control center of the cell.
• This control center is called the nucleus.

Last verified on 14-05-2026

Explanation

• Mercury Symbol: Hg
• Atomic number: 80
• Melting point: -38.83 °C
• Atomic mass: 200.59 u

Last verified on 13-03-2026

Explanation

• A seismograph is an instrument used to detect and record earthquakes.
• It consists of a mass attached to a fixed base
• During an earthquake, the base moves and the mass does not.

Last verified on 07-09-2026

Explanation

• Seismology is the study of earthquakes and seismic waves that move through and around the Earth.
• A seismologist is a scientist who studies earthquakes and seismic waves.

Last verified on 03-04-2026

Explanation

• F11 creates a chart from the selected data and places it on a new chart sheet.
• Alt + F1 creates a chart directly on the current worksheet.

Last verified on 07-09-2026

Explanation

MAN (Metropolitan Area Network): City or district coverage

• LAN (Local Area Network): Small area, e.g., home, office
• WAN (Wide Area Network): Covers countries or continents, e.g., Internet
• PAN (Personal Area Network): Very small area, e.g., devices connected via Bluetooth

Explanation

• RAM stands for Random Access Memory.
• It is a type of fast, temporary computer memory.
• It is essentially short-term memory.
• It is the hardware in a computing device where the operating system (OS).

Last verified on 26-04-2026

Explanation

• The Sahabi who secretly supplied food to the Holy Prophet (PBUH) during the boycott was Hakim ibn Hizam.
• He was the nephew of Hazrat Khadija (RA).
• Boycott period: 619–622 AD (3 years).
• Location: Valley of Abi Talib (Makkah).

Last verified on 02-06-2026

Explanation

There are 12 months in the Islamic (Hijri) calendar:

1. Muḥarram, محرم الحرام
2. Ṣafar, صفر المظفر
3. Rabi al Awwal, ربیع الاول
4. Rabi al Sani, ربیع الثانی
5. Jumada al Awwal, جمادی الاول
6. Jumada al Thani, جمادی الثانی
7. Rajab, رجب المرجب
8. Shaban, شعبان المعظم
9. Ramadan (fasting), رمضان المبارک
10. Shawwal, شوال المکرم
11. Dhu al Qadah, ذوالقعدۃ الحرام
12. Dhu al Hijjah, ذوالحجۃ الحرام

Last verified on 20-07-2026