Q: Nitrogen constitutes what percentage of the atmosphere?

1. 18%
2. 42%
3. 56%
4. 79%

Q: Who discovered the circulation of blood?

1. Louis Pasteur
2. William Harvey
3. Edward Jenner
4. Hargobind Khorana

Q: Who invented the miner's safety-lamp?

1. Thomas Alva Edison
2. Alexander Graham Bell
3. Sir Humphrey Davy
4. Sir Frank Whittle

Q: Who discovered Penicillin?

1. Robert Koch
2. Sir Alexander Fleming
3. Louis Pasteur
4. Watson and Crick

Q: Which of the following measurements is not a unit of distance?

1. Angstrom
2. Parsec
3. Cubit
4. Ammeter

Q: Which of the following is not a constituent of the atmosphere?

1. Oxygen
2. Carbon Dioxide
3. Nitrogen
4. Aluminum

Q: The three methods of science are observation, experimentation and...?

1. Inference
2. Hypothesis
3. Deduction
4. Measurement

Q: What was the coldest temperature ever recorded on Earth (at Vostok, Antarctica)?

1. -129 F
2. -103 F
3. -197 F
4. -53 F

Q: Where is the Sea of Tranquility?

1. In the Atlantic Ocean
2. In the Pacific Ocean
3. On the Moon
4. Near the Bermuda Triangle

Q: The Earth is surrounded by an insulating blanket of gases which protects it from the light and heat of the Sun. This insulating layer is called the...?

1. Biosphere
2. Lithosphere
3. Atmosphere
4. Hydrosphere

Q: Which planet is known as the Red Planet?

1. Jupiter
2. Earth
3. Mercury
4. Mars

Q: What was the lowest internal body temperature ever recorded in a human being who went on to survive?

1. 30 F
2. 47 F
3. 69 F
4. 53 F

Q: Which gas in the atmosphere saves us from the UV rays of the sun?

1. Ozone
2. Oxygen
3. Nitrogen
4. Carbon Monoxide

Q: At what temperature does water boil, at sea level?

1. 100 F
2. 170 F
3. 180 F
4. 212 F