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Class 4 Exam  >  Class 4 Tests  >  GK Olympiad for Class 4  >  Olympiad Test Level 2: Science and Technology - 2 - Class 4 MCQ

Olympiad Test Level 2: Science and Technology - 2 - Class 4 MCQ


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10 Questions MCQ Test GK Olympiad for Class 4 - Olympiad Test Level 2: Science and Technology - 2

Olympiad Test Level 2: Science and Technology - 2 for Class 4 2024 is part of GK Olympiad for Class 4 preparation. The Olympiad Test Level 2: Science and Technology - 2 questions and answers have been prepared according to the Class 4 exam syllabus.The Olympiad Test Level 2: Science and Technology - 2 MCQs are made for Class 4 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test Level 2: Science and Technology - 2 below.
Solutions of Olympiad Test Level 2: Science and Technology - 2 questions in English are available as part of our GK Olympiad for Class 4 for Class 4 & Olympiad Test Level 2: Science and Technology - 2 solutions in Hindi for GK Olympiad for Class 4 course. Download more important topics, notes, lectures and mock test series for Class 4 Exam by signing up for free. Attempt Olympiad Test Level 2: Science and Technology - 2 | 10 questions in 20 minutes | Mock test for Class 4 preparation | Free important questions MCQ to study GK Olympiad for Class 4 for Class 4 Exam | Download free PDF with solutions
Olympiad Test Level 2: Science and Technology - 2 - Question 1
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Categorize the programme (marked as (i), (ii), (iii) and (iv) in terms of system software and application software.

Detailed Solution for Olympiad Test Level 2: Science and Technology - 2 - Question 1

IOS and Android are System Software. These are designed to run computer's hardware and process programs. They are built in the system. Youtube and Google Chrome are application software. These are applications which are used by any user based on his/her requirements.

Olympiad Test Level 2: Science and Technology - 2 - Question 2
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He was a Scottish Engineer, who demonstrated the first working Television system in 1926. He was the inventor of both the first publicly demonstrated colour television. Who was he?

Detailed Solution for Olympiad Test Level 2: Science and Technology - 2 - Question 2

John Logie Baird invented first television. On 26 January, 1926, he first gave the public demonstration of the machine which he called as “televisor”.

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Olympiad Test Level 2: Science and Technology - 2 - Question 3
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Which of these was invented by James Watt?

Detailed Solution for Olympiad Test Level 2: Science and Technology - 2 - Question 3

Steam Engine was invented by James Watt. Steam engine is an engine that works by taking power from the steam. However, steam engines have direct effect on the environment as they cause air pollution by release of carbon dioxide.

Olympiad Test Level 2: Science and Technology - 2 - Question 4
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Choose the correct statement:

I. Application software runs on its own. It does not need human interface.
II. Operating System is a system software.
Detailed Solution for Olympiad Test Level 2: Science and Technology - 2 - Question 4

operating software is a system software. For example: Windows, Microsoft, Android, etc.

Olympiad Test Level 2: Science and Technology - 2 - Question 5
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Widh Eal isha Otis invent?
Detailed Solution for Olympiad Test Level 2: Science and Technology - 2 - Question 5

Elisha Otis invented lift or safety elevator in 1852.

Olympiad Test Level 2: Science and Technology - 2 - Question 6
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Match the following:
Detailed Solution for Olympiad Test Level 2: Science and Technology - 2 - Question 6

Electric battery was invented by Alessandro Volta. An electric battery is a device which is used to give power to electrical devices. X-rays were invented by Roentgen. X-rays are used to examine various parts of the body. Printing Machine was invented by Johannes Gutenberg. With this invention it was possible to print large number of books. Barometer was invented by Evangelista Torricelli. Barometer is a device which is used to measure atmospheric pressure.

Olympiad Test Level 2: Science and Technology - 2 - Question 7
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A pulley is which type of machine?
Detailed Solution for Olympiad Test Level 2: Science and Technology - 2 - Question 7

A pulley is a simple machine. Pulley is used to lift heavy objects more easily.

Olympiad Test Level 2: Science and Technology - 2 - Question 8
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Flagpoles have    
Detailed Solution for Olympiad Test Level 2: Science and Technology - 2 - Question 8

Flagpole have pulley. As pulleys are used to raise and lower the flag.

Olympiad Test Level 2: Science and Technology - 2 - Question 9
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Which gas is emitted by vehicles?
Detailed Solution for Olympiad Test Level 2: Science and Technology - 2 - Question 9

Carbon-monoxide is emitted from the exhaust pipe of the vehicles by the combustion of fuels. It is a poisonous gas.

Olympiad Test Level 2: Science and Technology - 2 - Question 10
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Which among the following is solid but become liquid at room temperature?
Detailed Solution for Olympiad Test Level 2: Science and Technology - 2 - Question 10

Ice is solid at 00C, but when it is kept at room temperature, the temperature increases, therefore, it becomes liquid.

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