# General Science Preparation Quiz

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• 1.

### A human red blood cell has how many parts hemoglobin?

• A.

Two

• B.

Four

• C.

Seven

• D.

Three

B. Four
Explanation
Hemoglobin is a protein found in red blood cells that is responsible for carrying oxygen throughout the body. It is composed of four subunits, each containing a heme group that binds to oxygen molecules. Therefore, a human red blood cell has four parts of hemoglobin.

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• 2.

### In a lifetime, the average person spends how many weeks waiting for a traffic light to change?

• A.

210

• B.

10

• C.

18

• D.

2

D. 2
Explanation
The correct answer is 2. This suggests that the average person spends only 2 weeks waiting for a traffic light to change in their lifetime. This implies that waiting for traffic lights is not a significant amount of time in the overall lifespan of an individual.

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• 3.

### What was the record for fastest serve of a tennis ball set in 1963?

• A.

148 Mph

• B.

138 Mph

• C.

154 Mph

• D.

175 Mph

C. 154 Mph
Explanation
In 1963, the record for the fastest serve of a tennis ball was set at 154 Mph. This means that during that time, the tennis player was able to hit the ball with incredible speed, making it difficult for their opponent to return the serve. This record demonstrates the power and skill of the player in delivering a fast and powerful serve.

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• 4.

### In 1985, the fastest bicyclist was clocked at what speed?

• A.

75 Mph

• B.

190 Mph

• C.

154 Mph

• D.

108 Mph

C. 154 Mph
Explanation
In 1985, the fastest bicyclist was clocked at a speed of 154 mph. This indicates that the bicyclist was able to reach an impressive speed on their bike during that time.

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• 5.

### What was the first human-made object to break the sound barrier?

• A.

A Whip

• B.

A Rocket

• C.

A Slingshot

• D.

An Airplane

A. A Whip
Explanation
A whip is the correct answer because when it is cracked, it produces a sharp sound known as a sonic boom. The tip of the whip moves faster than the speed of sound, creating a shockwave that breaks the sound barrier. This phenomenon was observed and studied before the sound barrier was officially broken by an airplane or any other human-made object.

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• 6.

### The average person falls asleep in how many minutes?

• A.

45 Minutes

• B.

7 Minutes

• C.

60 Minutes

• D.

20 Minutes

B. 7 Minutes
Explanation
The correct answer is 7 Minutes. This suggests that the average person takes around 7 minutes to fall asleep. This could be based on research or studies that have been conducted to determine the average time it takes for individuals to transition from being awake to asleep. However, without further information, it is difficult to determine the specific context or factors that may influence this average.

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• 7.

### What is the fastest wind speed recorded?

• A.

300 Mph

• B.

100 Mph

• C.

65 Mph

• D.

225 Mph

A. 300 Mph
Explanation
The correct answer is 300 Mph. This is the fastest wind speed ever recorded. Wind speeds can vary greatly depending on the weather conditions, and in extreme cases, such as tornadoes or hurricanes, wind speeds can reach incredibly high velocities. The record for the fastest wind speed ever recorded was set during a tornado in Oklahoma in 1999. It is important to note that wind speeds of this magnitude are extremely rare and can cause significant damage and destruction.

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• 8.

### How fast can the fastest steam locomotive go?

• A.

125 Mph

• B.

150 Mph

• C.

75 Mph

• D.

50 Mph

A. 125 Mph
Explanation
The fastest steam locomotive can go up to 125 mph.

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• 9.

### Who coined the term "Information Superhighway" in 1994?

• A.

Bill Clinton

• B.

Al Gore

• C.

Howard Stern

• D.

Bill Gates

B. Al Gore
Explanation
Al Gore is credited with coining the term "Information Superhighway" in 1994. As Vice President of the United States at the time, Gore used the term to describe the future interconnected network of computers and communication systems that would revolutionize the way information is accessed and shared. While Gore did not invent the internet, his advocacy and support for its development and expansion earned him recognition for popularizing the term.

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• 10.

### What was the record for "Speed Around the World" set by the Boeing 777?

• A.

50 Hours

• B.

12 Hours

• C.

42 Hours

• D.

24 Hours

C. 42 Hours
Explanation
The record for "Speed Around the World" set by the Boeing 777 was 42 hours. This means that the Boeing 777 was able to complete a trip around the world in 42 hours, which is a remarkable feat considering the vast distances involved. This record showcases the speed and efficiency of the Boeing 777 aircraft.

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• 11.

### The command module Apollo 10 reached the greatest speed ever traveled by humans. What was that speed?

• A.

4,256 Mph

• B.

250 Mph

• C.

24,791 Mph

• D.

501,000 Mph

C. 24,791 Mph
Explanation
The correct answer is 24,791 Mph. The Apollo 10 command module reached this speed, making it the greatest speed ever traveled by humans.

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• 12.

### How many seconds does it take for the blood to make one complete circuit of the human body?

• A.

90 Sec

• B.

30 Sec

• C.

60 Sec

• D.

45 Sec

C. 60 Sec
Explanation
The correct answer is 60 seconds. This is because it takes approximately one minute for the blood to make one complete circuit of the human body. The circulatory system consists of the heart, blood vessels, and blood, which work together to transport oxygen, nutrients, hormones, and waste products throughout the body. The heart pumps oxygenated blood to the body's tissues through arteries, and then the deoxygenated blood returns to the heart through veins. This entire process, known as circulation, takes about 60 seconds to complete.

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• 13.

### How far do you need to walk at 5 mph to burn off 385 calories?

• A.

1.5 Miles

• B.

12.5 Miles

• C.

5 Miles

• D.

2.5 Miles

D. 2.5 Miles
Explanation
To burn off calories, you need to perform physical activity. The question states that the activity is walking at a speed of 5 mph. The answer is 2.5 miles because when you walk at this speed for that distance, you will burn approximately 385 calories.

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• 14.

### In Japan, the Shinkansen (Bullet Train) travels between Hiroshima and Kokura (120 miles)in what time?

• A.

44 Minutes

• B.

1 Hour 20 Minutes

• C.

2 Hours

• D.

14 Minutes

A. 44 Minutes
Explanation
The Shinkansen, also known as the Bullet Train, travels between Hiroshima and Kokura in 44 minutes. This high-speed train is renowned for its efficiency and speed, allowing passengers to cover a distance of 120 miles in a relatively short amount of time. With its advanced technology and dedicated tracks, the Shinkansen has become a symbol of Japan's transportation excellence.

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• 15.

### How many nucleotides does it take to specify one amino acid?

• A.

Four

• B.

Three

• C.

Five

• D.

Two

B. Three
Explanation
Each amino acid is specified by a sequence of three nucleotides in a DNA or RNA molecule. This sequence of three nucleotides is called a codon. There are a total of 64 possible codons, but only 20 different amino acids. Therefore, it takes three nucleotides to specify one amino acid.

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