Science and Technology Free Mock Quiz 7

<2/”>a >Specially designed mock Quiz for Science and Technology for the systematic coverage of PSC Exam prelims syllabus and practice.
History Free Mock Quiz has 30 questions. If any issue is observed with answer students may comment below

,

The Big Bang Theory

The Big Bang Theory is the prevailing cosmological model for the universe. It states that the universe was once in an extremely hot and dense state that expanded rapidly. This expansion caused the universe to cool and resulted in its present size and composition.

The Big Bang Theory is supported by a wide range of evidence, including the cosmic microwave background radiation, the abundance of Light Elements in the universe, and the large-scale structure of the universe.

The Big Bang Theory is a powerful tool for understanding the universe. It has helped us to understand the origin of the universe, its evolution, and its ultimate fate.

The Evolution of Life

The evolution of life is the process by which species change over time. This process is driven by natural selection, which is the differential survival and Reproduction of individuals due to differences in phenotype.

Natural selection is a powerful force that has shaped the diversity of life on Earth. It has led to the evolution of new species, the extinction of others, and the adaptation of organisms to their Environment.

The evolution of life is a fascinating and complex process. It is a process that is still ongoing, and it is a process that we are still Learning about.

The Human Body

The human body is an amazing machine. It is made up of trillions of cells that work together to keep us alive and healthy.

The human body is divided into two main systems: the nervous system and the Endocrine System. The nervous system controls the body’s movements and responses to the environment. The endocrine system produces HORMONES that regulate the body’s Growth, development, and Metabolism.

The human body is also made up of several organ systems. The Digestive System breaks down food into nutrients that the body can use. The Circulatory System transports blood throughout the body. The Respiratory System takes in Oxygen and releases carbon dioxide. The Excretory System removes waste products from the body. The immune system protects the body from infection.

The human body is a complex and amazing system that is constantly working to keep us alive and healthy.

The Solar System

The Solar System is a collection of eight planets, their moons, and many smaller objects that orbit the Sun. The planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. The moons of the planets are also very diverse, ranging in size from tiny asteroids to large worlds like Titan.

The solar system formed about 4.6 billion years ago from a cloud of gas and dust. The planets formed from the inner part of the cloud, while the Sun formed from the outer part. The smaller objects in the solar system, such as asteroids and comets, formed from the leftover material.

The solar system is a dynamic place. The planets orbit the Sun at different speeds, and their orbits are not perfectly circular. This causes the planets to move closer to and further away from each other over time. The moons of the planets also orbit their planets at different speeds, and some of them have very elliptical orbits.

The solar system is a beautiful and fascinating place. It is home to a wide variety of planets, moons, and other objects. The solar system is also a dynamic place, and it is constantly changing.

The Earth

The Earth is the third planet from the Sun and the only planet in our solar system known to support life. It is the fifth largest planet in the solar system and the largest of the four terrestrial planets.

The Earth is a terrestrial planet, which means that it is made up of rock and Metal. It has a solid surface with a thick Atmosphere. The Earth’s atmosphere is made up of nitrogen, oxygen, and other gases. It protects the Earth from harmful radiation from the Sun.

The Earth is also home to a wide variety of life. Plants and animals have evolved to live in the Earth’s diverse environments. The Earth’s Climate is also very diverse, with hot and cold regions, wet and dry regions, and everything in between.

The Earth is a unique and beautiful planet. It is the only home we have, and it is important to protect it.

The Universe

The universe is everything that exists, from the smallest subatomic particles to the largest galaxies. It is a vast and mysterious place, and we are only just beginning to understand it.

The universe is thought to have begun with the Big Bang, which occurred about 13.8 billion years ago. The Big Bang caused the universe to expand and cool, and it is still expanding today.

The universe is made up of billions of galaxies, each of which contains billions of stars. The stars in a galaxy are held together by gravity, and they orbit the center of the galaxy.

The universe is also home to a vast amount of dark matter and dark energy. Dark matter is a mysterious substance that makes up about 85% of the matter in the universe. Dark

Here are some frequently asked questions and short answers about science and technology:

  1. What is the difference between science and technology?

Science is the study of the natural world, while technology is the application of scientific knowledge to practical problems.

  1. What are some of the most important scientific discoveries of all time?

Some of the most important scientific discoveries of all time include the discovery of the laws of motion by Isaac Newton, the discovery of the structure of DNA by James Watson and Francis Crick, and the discovery of the theory of relativity by Albert Einstein.

  1. What are some of the most important technological inventions of all time?

Some of the most important technological inventions of all time include the invention of the printing press, the invention of the steam engine, and the invention of the computer.

  1. What are some of the ethical issues surrounding science and technology?

Some of the ethical issues surrounding science and technology include the use of animals in research, the use of Genetic engineering, and the development of nuclear weapons.

  1. What are some of the benefits of science and technology?

Some of the benefits of science and technology include the development of new medicines, the development of new energy sources, and the development of new ways to communicate.

  1. What are some of the risks of science and technology?

Some of the risks of science and technology include the development of new weapons, the destruction of the environment, and the creation of new forms of inequality.

  1. What is the future of science and technology?

The future of science and technology is uncertain, but it is likely that science and technology will continue to play an important role in our lives.

  1. What are some of the challenges facing science and technology?

Some of the challenges facing science and technology include the cost of research, the lack of public understanding of science, and the ethical issues surrounding science and technology.

  1. What are some of the opportunities for science and technology?

Some of the opportunities for science and technology include the development of new medicines, the development of new energy sources, and the development of new ways to communicate.

  1. What is your opinion on the role of science and technology in Society?

I believe that science and technology have the potential to improve our lives in many ways, but they also have the potential to create new problems. It is important that we use science and technology wisely and ethically.

Question 1

Which of the following is not a type of RENEWABLE ENERGY?

(A) Solar Energy
(B) Wind Energy
(C) Nuclear Energy
(D) Hydroelectric energy

Answer
(C) Nuclear energy is a non-renewable energy source.

Question 2

What is the name of the first artificial satellite to orbit the Earth?

(A) Sputnik 1
(B) Explorer 1
(C) Luna 2
(D) Vostok 1

Answer
(A) Sputnik 1 was launched by the Soviet Union on October 4, 1957.

Question 3

What is the name of the first person to walk on the Moon?

(A) Neil Armstrong
(B) Buzz Aldrin
(C) Michael Collins
(D) John Glenn

Answer
(A) Neil Armstrong was the commander of the Apollo 11 mission, which landed on the Moon on July 20, 1969.

Question 4

What is the name of the search engine that was founded in 1998 by Larry Page and Sergey Brin?

(A) Google
(B) Yahoo!
(C) Bing
(D) Ask.com

Answer
(A) Google is the most popular search engine in the world.

Question 5

What is the name of the Social Media platform that was founded in 2004 by Mark Zuckerberg?

(A) Facebook
(B) Twitter
(C) Instagram
(D) Snapchat

Answer
(A) Facebook is the most popular social media platform in the world.

Question 6

What is the name of the operating system that is developed by Apple?

(A) Windows
(B) macOS
(C) Linux
(D) Android

Answer
(B) macOS is the operating system that is used on Apple computers.

Question 7

What is the name of the video game console that was released in 2013 by Sony?

(A) PlayStation 4
(B) Xbox One
(C) Nintendo Switch
(D) Wii U

Answer
(A) The PlayStation 4 is the most popular video game console in the world.

Question 8

What is the name of the electric car that was released in 2008 by Tesla?

(A) Tesla Model S
(B) Tesla Model X
(C) Tesla Model 3
(D) Tesla Model Y

Answer
(A) The Tesla Model S is the most popular electric car in the world.

Question 9

What is the name of the Artificial Intelligence that was developed by Google?

(A) AlphaGo
(B) DeepMind
(C) Watson
(D) Siri

Answer
(A) AlphaGo is an artificial intelligence that was developed by Google DeepMind.

Question 10

What is the name of the 3D printer that was released in 2005 by MakerBot Industries?

(A) Replicator
(B) Cube
(C) Formlabs Form 1
(D) Ultimaker 2+

Answer
(A) The MakerBot Replicator is the most popular 3D printer in the world.