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Test: Current S & T Terminology - 2 - UPSC MCQ


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10 Questions MCQ Test Science & Technology for UPSC CSE - Test: Current S & T Terminology - 2

Test: Current S & T Terminology - 2 for UPSC 2024 is part of Science & Technology for UPSC CSE preparation. The Test: Current S & T Terminology - 2 questions and answers have been prepared according to the UPSC exam syllabus.The Test: Current S & T Terminology - 2 MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Current S & T Terminology - 2 below.
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Test: Current S & T Terminology - 2 - Question 1

What is the main function of a geostationary satellite?

Detailed Solution for Test: Current S & T Terminology - 2 - Question 1
The main function of a geostationary satellite is to appear stationary in the sky above the Earth's equator. These satellites are placed in geostationary orbits, allowing them to remain fixed relative to a specific point on Earth. This stationary position is ideal for communication purposes, such as satellite TV and internet services.
Test: Current S & T Terminology - 2 - Question 2

What is the primary use of a hologram?

Detailed Solution for Test: Current S & T Terminology - 2 - Question 2
The primary use of a hologram is to reproduce 3-D images. Holography is a technique that captures and displays three-dimensional images without the need for special glasses. It has applications in various fields, including art, security, and medical imaging.
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Test: Current S & T Terminology - 2 - Question 3

What is the primary function of reinforcement material in a composite material?

Detailed Solution for Test: Current S & T Terminology - 2 - Question 3
The primary function of reinforcement material in a composite material is to give strength and stiffness to the composite. This reinforcement material, which can be in the form of fibers, particles, or gases, enhances the mechanical properties of the composite, making it stronger and more rigid.
Test: Current S & T Terminology - 2 - Question 4
What is the primary purpose of a computer virus?
Detailed Solution for Test: Current S & T Terminology - 2 - Question 4
The primary purpose of a computer virus is to alter other programs or destroy data on a computer. It is a malicious piece of code that can cause harm by modifying or deleting files and can even take control of a computer system.
Test: Current S & T Terminology - 2 - Question 5
In cryogenic engineering, what is the significance of superconductivity?
Detailed Solution for Test: Current S & T Terminology - 2 - Question 5
In cryogenic engineering, superconductivity is significant because it is applied to electric power generation. Superconducting magnets are used to provide the magnetic fields needed for power generation and magnetic confinement in nuclear fusion. This property of superconductivity allows for more efficient power generation and transmission.
Test: Current S & T Terminology - 2 - Question 6
What is the significance of the Human Genome Project?
Detailed Solution for Test: Current S & T Terminology - 2 - Question 6
The significance of the Human Genome Project is to map all human genes and their DNA sequences. This project aims to provide a comprehensive understanding of the genetic makeup of humans, which can lead to advancements in medicine, disease prevention, and personalized treatments.
Test: Current S & T Terminology - 2 - Question 7
What is the primary purpose of passive immunization?
Detailed Solution for Test: Current S & T Terminology - 2 - Question 7
The primary purpose of passive immunization is to provide immediate immunity using preformed antibodies. This is often done when there is an urgent need for protection against a specific disease, such as rabies or tetanus. Preformed antibodies are administered to provide rapid defense against the pathogen.
Test: Current S & T Terminology - 2 - Question 8
How does a hydrogen bomb generate energy?
Detailed Solution for Test: Current S & T Terminology - 2 - Question 8
A hydrogen bomb generates energy through the fusion of hydrogen isotopes (deuterium and tritium) at extremely high temperatures. This fusion reaction releases a tremendous amount of energy, making hydrogen bombs among the most powerful explosives in existence.
Test: Current S & T Terminology - 2 - Question 9
What distinguishes identical twins from fraternal twins?
Detailed Solution for Test: Current S & T Terminology - 2 - Question 9
Identical twins are distinguished by the fact that they have the same genetic material. They develop from a single fertilized egg that splits into two genetically identical cells. This genetic identity sets them apart from fraternal twins, who develop from two separate fertilized eggs and may not share the same genetic material.
Test: Current S & T Terminology - 2 - Question 10
What is the primary purpose of an integrated circuit (IC)?
Detailed Solution for Test: Current S & T Terminology - 2 - Question 10
The primary purpose of an integrated circuit (IC) is to combine electronic components into a small chip. ICs are used in various electronic devices, including computers, calculators, and microelectronics, where they provide compact and reliable control circuits.
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