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Explanation

• Tropical regions generally have high temperatures, abundant rainfall, and high humidity, especially near the equator.

Additional information:

• Arid regions are dry and receive very little rainfall.
• Polar regions have extremely low temperatures and generally low precipitation.

Last verified on 16-10-2026

Explanation

• In 1980, the Pakistan Agricultural Research Council (PARC) divided Pakistan into 10 agro-ecological zones.
• The classification was based on physiography, climate, soil, land use, and water availability.
• These zones help identify suitable crops and agricultural practices for different regions of Pakistan.

Last verified on 16-10-2026

Explanation

• Anti-dunes are bedforms that develop under supercritical flow conditions, where the Froude number is greater than 1.
• The Froude number is the ratio of flow inertia to the effect of gravity.

Additional information:

• Fr<1: Subcritical flow.
• Fr=1: Critical flow.
• Fr>1: Supercritical flow.

Last verified on 16-10-2026

Explanation

• Camshaft: Controls the opening and closing of the intake and exhaust valves at the correct time.

Additional information:

• Crankshaft: Converts the pistons’ reciprocating motion into rotational motion.
• Flywheel: Stores rotational energy and helps maintain smooth engine operation.

Last verified on 16-10-2026

Explanation

• Manchhar Lake is located in Jamshoro District, Sindh, Pakistan.
• It is approximately 23.5 km (14.6 miles) long.
• It is the largest natural freshwater lake in Pakistan.
• It is part of the Indus River basin.
• The lake receives water from the Kirthar Mountain Range and the Indus River system.

Last verified on 09-07-2026

Explanation

• Presented by: Sir Syed Ahmad Khan
• Famous Speech: Meerut Speech
• Date: 16 March 1888
• Purpose: To explain that Muslims and Hindus were separate nations with different religious, cultural, and social identities.
• Importance: Became the ideological foundation of Pakistan.

Last verified on 10-07-2026

Explanation

• The Battle of Badr is the first battle of Islam
• On 17 Ramadan, 2 AH (March 13, 624 CE)
• "Badr" means "full moon" in Arabic.
• Also called Furqan and The Day of the Criterion.
• Took place in the valley of Badr, located in the Hejazi region
• Muslims: Approx. 313 men (82 Muhajirun and 231 Ansar).
• Quraysh: Approx. 1000 soldiers led by Abu Jahl.
• 82-85 Muhajirun and 231 Ansar (61 from Aws and 170 from Khazraj).
• 2 horses and 70 camels.
• Fourteen Muslims were killed, while 70 Kufar were killed and 70 captured.

Last updated question by NA 22-April-2026

Explanation

• Full name: Rashtriya Swayamsevak Sangh.
• Founded: 27 September 1925.
• Founder: Keshav Baliram Hedgewar.
• Headquarters: Nagpur, Maharashtra, India.
• Main purpose: Promotes Hindu cultural identity and organization in Indian society.

Last verified on 15-10-2026

Explanation

• The idiom "A bird in the hand is worth two in the brush." 
• It means it's better to hold onto what you have than to risk it for something greater but uncertain.

Last verified on 15-10-2026

Explanation

• Often is an adverb of frequency because it tells how frequently an action occurs.
• Example: He often visits his grandparents.
• Other adverbs of frequency include always, usually, sometimes, rarely, and never.

Last verified on 15-10-2026