What is the chemical symbol for gold?
Correct answer: C
The chemical symbol for gold is Au, derived from its Latin name 'aurum'.
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What is the chemical symbol for sodium?
Correct answer: A
The chemical symbol for sodium is Na, derived from its Latin name 'natrium'.
What is the chemical symbol for iron?
Correct answer: C
The chemical symbol for iron is Fe, derived from its Latin name 'ferrum'.
What is the SI unit of electric current?
Correct answer: B
The SI unit of electric current is the Ampere, named after French physicist Andre-Marie Ampere.
What is the SI unit of force?
Correct answer: B
The SI unit of force is the Newton, named after Sir Isaac Newton.
What is the SI unit of energy?
Correct answer: B
The SI unit of energy is the Joule, named after physicist James Prescott Joule.
What is the powerhouse of the cell, responsible for producing energy?
Correct answer: A
Mitochondria are known as the 'powerhouse of the cell' because they generate most of the cell's energy through ATP production.
Which gas is most abundant in the Earth's atmosphere?
Correct answer: C
Nitrogen makes up about 78% of the Earth's atmosphere, making it the most abundant gas.
Which blood group is known as the 'universal donor'?
Correct answer: D
O negative blood is known as the universal donor because it can be safely given to patients of any blood type.
Which blood group is known as the 'universal recipient'?
Correct answer: A
AB positive blood is known as the universal recipient because a person with this type can receive blood from any group.
Which organ in the human body is primarily responsible for filtering blood and producing urine?
Correct answer: A
The kidneys filter waste products from the blood and regulate fluid balance, producing urine as a result.
Which part of the human body is primarily responsible for pumping blood throughout the body?
Correct answer: C
The heart is a muscular organ that pumps blood through the circulatory system to deliver oxygen and nutrients.
What is the normal body temperature of a healthy human being, in Fahrenheit?
Correct answer: B
The average normal human body temperature is approximately 98.6°F (37°C).
Which vitamin is primarily obtained from sunlight exposure on the skin?
Correct answer: B
Vitamin D is synthesized in the skin upon exposure to sunlight, and is also called the 'sunshine vitamin'.
Deficiency of which vitamin causes the disease scurvy?
Correct answer: B
A deficiency of Vitamin C causes scurvy, a condition characterized by bleeding gums and weakness.
Which planet is known as the 'Red Planet'?
Correct answer: D
Mars is known as the 'Red Planet' due to iron oxide (rust) on its surface, giving it a reddish appearance.
Which is the largest planet in our solar system?
Correct answer: C
Jupiter is the largest planet in our solar system, both in terms of mass and volume.
Which is the closest planet to the Sun?
Correct answer: D
Mercury is the closest planet to the Sun in our solar system.
What is the process by which green plants prepare their own food using sunlight called?
Correct answer: C
Photosynthesis is the process by which green plants use sunlight, water, and carbon dioxide to produce glucose and oxygen.
Which gas do plants primarily absorb from the atmosphere during photosynthesis?
Correct answer: D
Plants absorb carbon dioxide from the atmosphere during photosynthesis, releasing oxygen as a by-product.
What is the pH value of pure water, considered neutral?
Correct answer: A
Pure water has a pH value of 7, which is considered neutral on the pH scale (0 to 14).
Which scientist proposed the law of universal gravitation?
Correct answer: A
Sir Isaac Newton formulated the law of universal gravitation, describing the gravitational attraction between masses.
Which scientist developed the theory of relativity?
Correct answer: D
Albert Einstein developed the theory of relativity, including special relativity (1905) and general relativity (1915).
What is the study of heredity and variation in living organisms called?
Correct answer: D
Genetics is the branch of biology that studies heredity and the variation of inherited characteristics.
Which instrument is used to measure atmospheric pressure?
Correct answer: D
A barometer is used to measure atmospheric pressure.