Explanation

• A covalent bond forms when atoms share electrons.
• It usually occurs between non-metals.
• Sharing helps atoms achieve stable electron configuration.
• No transfer of electrons occurs.
• Therefore, it is based on electron sharing.

Last verified on 12-04-2026

Explanation

• Energy due to motion is called kinetic energy.
• Any moving object possesses this energy.
• It depends on mass and velocity of the body.
• Faster motion means more kinetic energy.

Last verified on 11-04-2026

Explanation

The headquarters of the United Nations is located in the United States, specifically in New York City

Founded: October 24, 1945, San Francisco, California, United States

UNO Membership: 193 member states; 2 observer states

UNO Official languages:

1. Arabic;
2. Chinese;
3. English;
4. French;
5. Russian;
6. Spanish;

*****

Pakistan joined the United Nations on September 30, 1947, just over a month after its independence

Explanation

• Pakistan became an "Islamic Republic" in its 1956 constitution.
• This constitution was the first to declare Pakistan as an Islamic Republic.
• It is reflecting the country's identity as a democratic state founded on the principles of Islam.

Additional information:

• The constitution was adopted on March 23, 1956.
• The 1956 Constitution was abrogated in 1958.
• When President Iskander Mirza imposed martial law and declared himself the Chief Martial Law Administrator.

Last verified on 23-03-2026

Explanation

• First female Prime Minister in the world; belonged to Sri Lanka.
• Leader of the Sri Lanka Freedom Party.
• Served three terms: 1960–65, 1970–77, and 1994–2000.
• Preceded by Chandrika Kumaratunga.
• Succeeded by Ratnasiri Wickremanayake.

Last verified on 02-04-2026

Explanation

Explanation

• 1 Billion = 1,000,000,000
• 1 Billion = 100 Crores
• 1 Billion = 1,000 Million
• 1 Billion = 10,000 Lacs
• Number of zeros: 9

Additional information:

• 1 Million = 10 Lacs = 1,000,000
• 1 Trillion = 1,000 Billions = 100,000 Crores = 1,000,000,000,000 (12 zeros)

Last verified on 02-04-2026

Explanation

• Keenjhar Lake, also known as Kalri Lake.
• It is one of the largest freshwater lakes in Pakistan.
• It is located in Thatta District, Sindh, about 122 km from Karachi and 18 km from Thatta city.
• The lake was formed by merging Sonehri Lake and Keenjhar Lake.
• It was designated as a Ramsar Wetland Site on 23 July 1976.

Last verified on 02-04-2026

Explanation

Important Passes of Pakistan

1. Khyber Pass

• Connects: Peshawar to Kabul
• Connects: Pakistan to Afghanistan
• Height 1070 meters, 3510 feet 

2. Bolan Pass 

• Connects: JCB and Sibi with Quetta 
• Height: 1793 meters, 5884 feet 

3. Lowari Pass

• Connects: Chitral with Dir 
• Height: 3118 meters, 10230 feet 

4. Broghil Pass

• Location: Pakistan & Afghanistan border 
• Height: 3798 meters, 12460 feet 

5. Malakand Pass

• Connects: Dir with Chitral 
• Height: 1362 meters, 4468 feet 

6. Shandur Pass

• Connects: Gupis/Gilgit with Chitral 
• Height: 3700 meters, 12139 feet 

7. Khanjerab Pass (top most in Pakistan)

• Other name: Friendship Gate
• Connects: China with Pakistan 
• Height: 4693 meters, 15397 feet 

8. Dorah Pass

• Connects: Badakhshan province of Afghanistan with Chitral 
• Height: 4300 meters, 14108 feet 

9. Babusar Pass

• Connects: Mansehra/Abbotabad with Gilgit

10. Kohat Pass

• Connects: Kohat with Peshawar 

11. Khojak Pass

• Connects: Qilla Abdullah with Chaman

12. Tochi Pass

• Connects: Ghazni with Bannu

Last verified on 01-04-2026

Explanation

Let's solve step by step using BODMAS rule:

2 × 2 + 2 ÷ 2

= 4 + 1

= 5

Last verified on 01-04-2026