Explanation

• Makki Surahs: 86
• Madani Surahs: 28
• Total Surahs: 114
• Makki Period: ~13 years
• Revelation Place: Makkah

Additional information:

• Makki Surahs mainly emphasize faith (Iman)
• Madani Surahs focus on law and social system
• First revelation occurred in Hira Cave (610 CE)
• Last revelation completed in 632 CE
• Quran contains 11 Sajdah in Makki Surahs and 3 in Madani Surahs

Last verified on 17-05-2026

Explanation

• Full Form: North Atlantic Treaty Organization
• Founded: 4 April 1949, Washington, D.C., USA
• Headquarters: Brussels, Belgium
• Members: 32 countries

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

32.     Sweden

Explanation

• Tranquilizer should be avoided by us in order to have a good health.
• "Should avoid" changes to "should be avoided" in passive voice.
• The subject "We" becomes "by us" in the passive construction.

Last verified on 11-10-2026

Explanation

Explanation

• Delay conditioning occurs when the conditioned stimulus (CS) begins before the unconditioned stimulus (UCS) and overlaps with it.
• The CS may continue until the UCS begins or ends during the UCS presentation.

Additional information:

• In classical conditioning, the conditioned stimulus is associated with the unconditioned stimulus to produce a learned response.

Last verified on 10-10-2026

Explanation

• The primary component of natural gas is methane (CH4).
• Making up 70% to 90% or more of its composition.
• It is a colorless, odorless, and highly flammable hydrocarbon gas.
• Characteristics: It is a fossil fuel, often found in rock formations alongside oil or on its own. 

Last updated question 15 March2026

Explanation

• Kilometers per second: ≈ 300,000 km/s
• Speed in vacuum: 299,792,458 m/s
• Approximate value: 3 × 10⁸ m/s
• Symbol: c
• Distance traveled in 1 second: About 300,000 km
• Light from the Sun takes about 8 minutes 20 seconds to reach the Earth.

Last verified on 16-05-2026

Explanation

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

Last verified on 13-03-2026

Explanation

• Mercury is the smallest planet in our solar system.
• Mercury with a diameter of 4,879 km (3031.67 mi).
• Its escape velocity is approximately 4.25 km/s.
• Nearest Planet to Sun.
• Fastest Planet.

Last verified on 23-06-2026

Explanation

• The liver is the largest gland in the human body.
• It is situated in the right upper quadrant of the abdomen, beneath the diaphragm, and above the stomach.
• It is reddish-brown.
• It is weighs approximately 1.5 kg.

• The pineal gland is the smallest gland.
• It about the size of a grain of rice.
• It weighs approximately 150 mg.
• It is part of the endocrine system.