Explanation

• NATO stands form the North Atlantic Treaty Organization
• Founded: 4 April 1949 (Washington, USA)
• Headquarters: Brussels, Belgium
• Total members: 32 (30 European & 2 North American countries)
• Latest Member: Finland
• Type: Military Alliance
• Official Languages: English & French
• Founding members: 12
• Pakistan: Not a NATO member
  
• Member Muslim country: Turkiye 
• Last Member: On 7 March 2024, Sweden became the 32nd member.

List of NATO member countries

1.       Albania

2.       Belgium

3.       Bulgaria

4.       Canada

5.       Croatia

6.       Czechia

7.       Denmark

8.       Estonia

9.       France

10.   Germany

11.   Greece

12.   Hungary

13.   Iceland

14.   Italy

15.   Latvia

16.   Lithuania

17.   Luxembourg

18.   Montenegro

19.   Netherlands

20.   North Macedonia

21.   Norway

22.   Poland

23.   Portugal

24.   Romania

25.   Slovakia

26.   Slovenia

27.   Spain

28.   Turkiye

29.   United Kingdom

30.   United States

31.   Finland 2023

32.  Sweden 2024

Last updated by NA on 22-April-2026

Explanation

Explanation

• O⁻ (O Negative) is the universal donor blood group.
• It can be transfused to A, B, AB, and O blood groups.
• O⁻ blood lacks A, B, and Rh (D) antigens.

Additional information:

• Universal Recipient: AB⁺ (AB Positive)
• ABO Blood Groups: A, B, AB, O
• Rh Types: Positive (+) and Negative (−)
• Total Common Blood Groups: 8 (A⁺, A⁻, B⁺, B⁻, AB⁺, AB⁻, O⁺, O⁻)

Last verified on 14-07-2026

Explanation

• Pakistan conducted a series of nuclear tests on 28 May 1998 at the Chagai test site, in Balochistan.
• 5 Nuclear tests were conducted by Pakistan at 15:15 hrs PST on 28 May 1998.
• The tests were performed at Ras Koh Hills in the Chagai District of Balochistan Province.
• Chagai-I was Pakistan's first public test of nuclear weapons.

Additional information:

• Chagai-II is the codename assigned to the second atomic test conducted by Pakistan, carried out on 30 May 1998.
• These tests followed the Chagai-I series.
• The test site was Kharan Desert, Pakistan.
• The number of tests is 1.

Last verified on 30-03-2026

Explanation

NOTE:

• If the question only says “all four sides are equal,” then the correct answer is a rhombus.
• If the question says “all four sides are equal, and all four angles are right angles (90°),” then the correct answer is Square.
• Example:
• Diamond shape ◇ = Rhombus
• Box shape □ = Square

Last updated by NS on 06-09-2026​

Explanation

• The Durand Line was established as the official border between British India and Afghanistan.
• It was drawn in 1893.
• British representative: Sir Mortimer Durand
• Afghan ruler: Amir Abdur Rahman Khan
• It later became the international border between Pakistan and Afghanistan.
• Length: Around 2,640 km

Last verified on 09-06-2026

Explanation

• The total area of pakistan 881,913 km².
• In old books area of Pakistan is 796096 sq km.
• Pakistan is a country in South Asia.
• Pakistan world's second-largest Muslim population.

Additional information:

• Pakistan is the 33rd-largest country by area.
• The total cultivated area in Pakistan is 25%.
• The total forest area of Pakistan is estimated at 6.20 million hectares.
• The forest cover of Pakistan is 5.7%.

Last verified on 02-05-2026

Explanation

• Warsak Dam is located on the Kabul River.
• It was completed under the Colombo Plan .
• Construction began in 1949.
• The Dam was Opened in 1960.
• The height of the dam is 76 m.

Last verified on 30-03-2026

Explanation

• Fidel Castro was the leader of Cuba.
• He led the Cuban Revolution and came to power in 1959.
• He served as Prime Minister of Cuba (1959–1976) and then as President (1976–2008).
• He born on 13 August 1926.
• He died on 25 November 2016 (aged 90).

Last verified on 08-08-2026

Explanation

• Urine is produced in the kidneys by filtering the blood.
• The kidneys remove excess water, salts, and waste products from the blood.
• Urine is formed in tiny filtering units called nephrons.
• After formation, urine passes through the ureters to the urinary bladder.
• The kidneys help maintain the body's fluid and electrolyte balance.

Last verified on 04-08-2026