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Biology
Astronomy
Chemistry
Anatomy
100

It is the powerhouse of the cell

A: Ribosome, B: Golgi Apparatus, C: Mitochondria, D: Vacuole

C. Mitochondria. Mitochondria are known as the powerhouse of the cell because it is responsible for the extracting energy from food through cellular respiration. The energy is released in the form of adenosine triphosphate (ATP). 

100

These are the four largest moon in Jupiter

 A: Io, Ganymede, Callisto and Europa B: Io, Ganymede, Callisto and Juno C: Io, Ganymede, Callisto and Titan, D: Io, Ganymede, Callisto and Charon

 A. Jupiter's four largest moons were the first moons discovered beyond Earth. They are called the Galilean satellites after Italian astronomer Galileo Galilei, who first observed them in 1610. The German astronomer Simon Marius claimed to have seen the moons around the same time, but he did not publish his observations and so Galileo is credited with their discovery.80-95 moons.

100
This type of matter has a definite volume but no definite shape... A: Solids, B: Liquids, C: Gases, D: Plasma
What is B: Liquids. Liquids have a definite volume but no definite shape. Because the intermolecular forces are weak in a liquid, it is able to change its shape to conform to its container.
100

How many bones does an adult human have?

A. 201  B. 204  C.  205  D. 206


D: 


206 bones
The human skeleton is made up of 206 bones, including bones of the: Skull – including the jaw bone. Spine – cervical, thoracic and lumbar vertebrae, sacrum and tailbone (coccyx) Chest – ribs and breastbone (sternum)


200
This living animal has the heaviest brain... A: African Bush Elephant, B: Black Rhinoceros, C: Sperm Whale, D: Human
What is C. Sperm Whales. They have the heaviest brain of any living animal. The average Sperm Whale's brain weighs more than 20 pounds (9 kilograms) which is about 4 times heavier than the average human brain.
200

He is the first person to walked on the moon

A: Galileo Gallie, B:Neil Armstrong, C: Edwin Hubble, D: Giovanni Domenico Cassini




B. Neil Armstrong was a NASA astronaut and aeronautical engineer. He famously became the first person to walk on the moon on July 20, 1969 during Apollo 11. Armstrong also flew on NASA's Gemini 8 mission in 1966.

200
This English chemist and physicist discovered hydrogen. A: Sir William Crookes, B: Henry Cavendish, C: Dorothy Hodgkin, D: Bernard Shaw
Who is B: Henry Cavendish. This English chemist and physicist not only discovered hydrogen, but also determined the mass of the Earth.
200
This type of water weighs the most... A: seawater B: distilled water C: tap water D: none - They all have the same weight.
What is A: sea water. It is loaded with mineral salts and weighs about a pound and a half more per cubic foot than fresh water at the same temperature.
300
Of the following, it has the longest recorded life span. A: Termite, B: Chimpanzee, C: Indian Elephant, D: Freshwater Oyster
What is the Freshwater Oyster (80 years.) The longest recorded life span for a termite is 50 years; for a chimapanzee, 50 years; and for an Indian elephant, 70 years.
300
The three main parts of a comet are the nucleus, the tail, and the _____. A: Zenith, B: Umbra, C: Radiant, D: Coma
What is D. Coma. The coma consists of gases and dust around the nucleus.
300
Matter that does not enter chemical reactions is described as this... A: Inhibited, B: Inert, C: Grounded, D: Radioactive
What is B: Inert. Inert matter does not enter chemical reactions.
300
This is the hardest naturally occurring substance... A: emerald B: tourmaline C: diamond D: corrundum
What is C: Diamond. Diamond is also one of the most valuable natural substances. Diamonds are crystals formed almost entirely of carbon. Because of its hardness, the diamond is the most enduring of all gemstones. They are among the most costly jewels in the world, partly because they are rare, Only four important diamond fields have been found - in Africa, South America, India, and the Soviet Union.
400
This was the first genetically engineered organism. A: Corn, B: Tobacco, C: Sheep, D: Rat
What is a B. tobacco plant. In 1983, a tobacco plant, designed to be resistant to certain herbicides, was grown in Wisconsin.
400
It is the term for the condition when three celestial bodies are arranged in a straight line... A: Occultation, B: Parallax, C: Syzygy, D: Triple Transit
What is C: Syzygy. Syzygy is the condition when three celestial bodies are arranged in a straight line--as, for example, when the Sun, Moon, and Earth are aligned during solar and lunar eclipses.
400
These substances control the rates of chemical reactions... A: Reactants, B: Catalysts, C: Isotopes, D: Cathodes
What is B: Catalysts. Catalysts are substances that control the rates of chemical reactions.
400
The largest hailstone recorded was closest to this object in diameter... A: basketball B: softball C: tennis ball D: golf ball
What is A: basketball. The largest hailstone ever recorded was 17.5 inches in diameter - bigger than a basketball.
500
This animal has the highest blood pressure... A: Giraffe, B: Blue Whale, C: Elephant, D: Flea
What is A: Giraffe. Because of its extremely long neck, the giraffe must rely on its oversized heart (two feet long and twenty-five pounds!) to pump blood all the way to its head. As a result, the giraffe has the highest blood pressure of any animal: 280/180 mmHg (millimeters of mercury) at heart level when prone -- more than twice the blood pressure of an average human. Not surprisingly, because of their high blood pressure, giraffes are prone to heart attacks.
500
The planets make up this percentage of the mass in our solar system... A: 0.0135 %, B: 0.135 %, C: 1.35 %, D: 13.5 %
What is B: 0.135 % of the mass in our solar system. The Sun dominates, accounting for 99.86 % of the entire solar system's mass.
500
These are microscopic spheres of 60 atoms of pure carbon in a spherelike structure that resembles a geodesic dome... A: Hydrocarbons, B: Lipids, C: Crystals, D: Buckyballs
What is D: Buckyballs. "Buckyballs" are microscopic spheres of 60 atoms of pure carbon in a spherelike structure that resembles a geodosic dome. Also called fullerenes or buckminsterfullerenes, they were named after R. Buckminster Fuller who invented the geodosic dome. Buckyballs are of great interest to scientists because they contain a cavity large enough to hold other elements, even whole molecules. Once an element has been deposited into the cavity, it cannot emerge without being heated to high temperatures. This technology may someday be used to deliver medication to specific locations within the body.
500
The first Earth Day was celebrated in this year... A: 1950 B: 1960 C: 1970 D: 1980
What is C: 1970. The first Earth Day was celebrated on April 22, 1970, and has been celebrated each year following on April 22nd. The original purpose of Earth Day was to inspire people to think and act more environmentally. Earth Day falls on or around the birthdays of several environmental spokespersons.