Science and technology Quiz 2

What is the element present on lead pencils? a) Carbon b) Lead c) Zinc

Who is generally acknowledged as the “father” of the modern periodic table? a) Dmitri Mendeleev b) Joseph Priestley c) Sir Humphry Davy

Which solar system planets have rings? a) Saturn, Jupiter, Neptunus and Uranus b) Saturn, Jupiter and Neptunus c) Saturn and Jupiter

Electric resistance is typically measured in what units? a) Watts b) Ohms c) Volts

How many pairs of chromosomes are in found in the average human? a) 20 b) 22 c) 23

What blood type do you need to be a universal donor? a) O+ b) O - c) AB+

A common name for mercury is a) Quicksilver b) Freddy c) Hydrargyrum

Who invented the aeroplane ? a) James Watt b) Amelia Earhart c) Wright brothers

Composing about 78 percent of the air at sea level, what is the most common gas in the Earth's atmosphere? a) Oxygen b) Nitrogen c) Carbon dioxide

Which of these people developed the polio vaccine? a) Marie Curie b) Isaac Newton c) Jonas Salk

1) An increased white blood cell count is indicative of which disease? a) Lupus b) Leukaemia c) Anaemia

5 to the power of 0 equals what? a) 0 b) 1 c) 5

What vitamin is produced when a person is exposed to sunlight? a) B12 b) E c) D

In humans, the atlas and axis bones are found in which part of the body? a) legs b) neck c) abdomen

Penicillin was discovered in 1928 by which scientist? a) Sir Alexander Fleming b) Pasteur c) Marie Curie

Which is the most abundant metal in the earth's crust? a) Iron b) Aluminum c) Nickel

How do you calculate density? a) Density is volume divided by mass. b) Density is mass divided by volume. c) Density is mass plus volume.

This picture shows three layers of the Earth. Which layer is the hottest? a) The outer layer, called the Earth’s crust b) The middle layer, called the Earth’s mantle c) The inner layer, called the Earth’s core

Which part of your brain deals with hearing and language? a) Temporal lobe b) Occipital lobe c) Hypothalamus

Who developed and patented the electrical telegraph in the United States in 1837? a) Samuel Morse b) Alexander Graham Bell c) Thomas Alva Edison

If you suffered from ophidiophobia which animal would you be afraid of? a) Snakes b) Spiders c) Birds

Bronze is an alloy consisting primarily of what two elements? a) Copper and tin b) Copper and silver c) Tin and silver

Who came up with the three laws of motion? a) Isaac Newton b) Albert Einstein c) Ernest Rutherford

Zero degrees Celsius is equal to what reading on the Fahrenheit scale? a) 32 b) 26 c) 41