Science

1. What does DNA stand for?

• Denomie Anthrax

• 1. Deoxyribonucleic acid

• Detailed Nucleic Architecture

• Deoxidised Neuro Amplifier

Answer explanation

Deoxyribonucleic acid (DNA) is a molecule that contains genetic information for the development and functioning of organisms.

1. How many bones are in the human body?

• 176

• 206

• 256

• 306

Answer explanation

The adult human skeleton is made up of 206 bones. These include the bones of the skull, spine (vertebrae), ribs, arms and legs.

1. The concept of gravity was discovered by which famous physicist?

• Steven Weinberg

• Isaac Newton

• Galileo Galilei

• Albert Einstein

Answer explanation

Newton's theory of universal gravitation states that all matter is attracted to each other by a universal force. 

Legend has it that Newton was inspired to discover gravity after seeing an apple fall from a tree and wondering why it fell straight down instead of sideways or up.

1. What is the hardest natural substance on Earth?

• Quartz

• Diamond

• Granite

• Titanium

Answer explanation

Diamond is the hardest naturally occurring substance on Earth

1. Which is the main gas that makes up the Earth's atmosphere?

• Oxygen

• Nitrogen

• Argon

• Carbon Dioxide

Answer explanation

Nitrogen 78.084%

Oxygen 20.946%

Argon 0.934%

Carbon Dioxide 0.042%

1. Humans and chimpanzees share roughly how much DNA?

• 97.5%

• 98.8%

• 99.5%

• 96.6%

Answer explanation

Humans and chimpanzees share roughly 98.8% of their DNA.

This is because the two species are closely related and share a common ancestor that lived six to seven million years ago.

1. At what temperature are Celsius and Fahrenheit equal?

• -40°C

• -30°C

• 0°C

• 30°C

Answer explanation

Celsius and Fahrenheit are two temperature scales.

The Fahrenheit and Celsius scales have one point at which they intersect. They are equal at -40 °C and -40 °F

1. What is the biggest planet in our solar system?

• Uranus

• Jupiter

• Saturn

• Neptune

Answer explanation

Jupiter is the largest planet in our solar system.

If Jupiter was a hollow shell, 1,000 Earths could fit inside.

Jupiter also is the oldest planet, forming from the dust and gases left over from the Sun's formation 4.5 billion years ago.

1. What name is given for the number of protons found in the nucleus of an atom?

• Proton Number

• Atomic Number

• Photon Figure

• Neutron Number

Answer explanation

The number of protons in the nucleus of an atom of a given element is called the atomic number of that element.

1. What is a material that will not carry an electrical charge called?

• a neutraliser

• an insulator

• a conductor

• an electronator

Answer explanation

Those materials are called insulators.

Although insulators are made up of atoms but they have high dielectric strength.

Examples of electrical insulators are porcelain, wood, mica etc.