Biology
Which organelle is known as the powerhouse of the cell because it generates most of the chemical energy needed to power the cell's biochemical reactions?
Mitochondrion.
Mathematics: If a triangle has sides of lengths 6, 8, and 10, what is the area of the triangle?
24
Which global conflict, lasting from 1914 to 1918, was triggered by the assassination of Archduke Franz Ferdinand of Austria?
World War 1
According to Newton's First Law of Motion, an object at rest will remain at rest, and an object in motion will remain in motion, unless acted upon by what?
An external net force
What is the chemical symbol for the element 'Gold' on the Periodic Table?
Au
Which nitrogenous base is found in RNA but is completely absent in DNA molecules?
Uracil
If the probability of an event occurring is 0.35, what is the probability of the event NOT occurring?
0.55
The ancient civilization of Mesopotamia flourished primarily between which two major rivers?
The Tigris the Euphrates.
What property of an object resists any change in its current state of motion or rest?
Inertia
Which type of chemical bond involves the sharing of electron pairs between non-metal atoms?
Covalent bond.
What is the primary process by which plants convert light energy into chemical energy stored in glucose?
Photosynthesis.
What is the logarithm base 2 of 64?
6
Which document, signed by King John of England in 1215, established the principle that everyone, including the king, is subject to the law?
The Magna Carta
If a vehicle travels 180 kilometers in 3 hours at a constant speed, what is its speed in meters per second (m/s)?
16.67 m/s
What is the pH value of a solution that is considered completely neutral at room temperature?
7
Which human organ system is primarily responsible for filtering blood, removing metabolic wastes, and maintaining fluid balance?
Urinary system.
What is the value of x in the equation 3x + 7 = 22?
5
Who was the leader of the Bolshevik Party during the 1917 Russian Revolution, becoming the first head of the Soviet state?
Vladimir Lennin
Which thermodynamic temperature scale sets its zero point at 'Absolute Zero', where all molecular motion theoretically stops?
Kelvin.
In a balanced chemical equation for the synthesis of ammonia, N2 + 3H2 ---- 2NH3, how many moles of hydrogen gas are needed to react completely with 2 moles of nitrogen gas?
6 moles.
What type of symbiotic relationship benefits one organism while the other organism is neither helped nor harmed?
Commensalism.
What is the area of a circle with a radius of 4 units?(Use pi in your answer)
16
The fall of which historic city in 1453 to the Ottoman Empire marked the official end of the Byzantine Empire?
Constantinople
What wave phenomenon describes the change in observed frequency or wavelength when there is relative motion between the source and the observer?
The Doppler Effect
Which gas is most abundant in Earth's atmosphere, making up approximately 78% of its total volume?
Nitrogen