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Olympiad Test Level 2: Science and Technology - 1 - Class 3 MCQ


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10 Questions MCQ Test GK Olympiad for Class 3 - Olympiad Test Level 2: Science and Technology - 1

Olympiad Test Level 2: Science and Technology - 1 for Class 3 2024 is part of GK Olympiad for Class 3 preparation. The Olympiad Test Level 2: Science and Technology - 1 questions and answers have been prepared according to the Class 3 exam syllabus.The Olympiad Test Level 2: Science and Technology - 1 MCQs are made for Class 3 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test Level 2: Science and Technology - 1 below.
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Olympiad Test Level 2: Science and Technology - 1 - Question 1

Identify the following device:
It is a desktop computer developed by Apple and released in 1983. It is the first personal computer that allows users to interact it with graphical icons.

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

Lisa was a personal computer developed by Apple.
Lisa stood for "Local Integrated Software Architecture".

Olympiad Test Level 2: Science and Technology - 1 - Question 2

An instrument to measure temperature is called ____________________.

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

It was invented by D.G. Fahrenheit.

Olympiad Test Level 2: Science and Technology - 1 - Question 3

Identify ‘X’ and ‘Y’.

Detailed Solution for Olympiad Test Level 2: Science and Technology - 1 - Question 3

Refrigerator is used to keep food fresh longer and the Television was invented by Baird.

Olympiad Test Level 2: Science and Technology - 1 - Question 4

In which of the following, science is not involved?

Detailed Solution for Olympiad Test Level 2: Science and Technology - 1 - Question 4

In all other cases, science is involved in the form of force, conservation and changes.

Olympiad Test Level 2: Science and Technology - 1 - Question 5

Ice sinks in ________________ because it is _____________ than it.

Detailed Solution for Olympiad Test Level 2: Science and Technology - 1 - Question 5

Ice is lighter than water but heavier than most of the liquids like alcohol.

Olympiad Test Level 2: Science and Technology - 1 - Question 6

Polio vaccine was invented by ________.

Detailed Solution for Olympiad Test Level 2: Science and Technology - 1 - Question 6

The vaccine invented by Jonas Salk was first used in 1955.

Olympiad Test Level 2: Science and Technology - 1 - Question 7

Which two colours of the sunlight spread the maximum?

Detailed Solution for Olympiad Test Level 2: Science and Technology - 1 - Question 7

The first two main colours of the VIBGYOR spread the maximum.

Olympiad Test Level 2: Science and Technology - 1 - Question 8

Benjamin Franklin invented _____________________.

Detailed Solution for Olympiad Test Level 2: Science and Technology - 1 - Question 8

Benjamin Franklin indirectly made the invention of all the modern electric and electronic gadgets possible by invention of electricity.

Olympiad Test Level 2: Science and Technology - 1 - Question 9

Which of these concepts can be used to explain the meaning of acceleration?

Detailed Solution for Olympiad Test Level 2: Science and Technology - 1 - Question 9

Acceleration is defined as change in speed in every unit of time like second.

Olympiad Test Level 2: Science and Technology - 1 - Question 10

Which of these gadgets is used to convert energy from the sun into electrical energy?

Detailed Solution for Olympiad Test Level 2: Science and Technology - 1 - Question 10

Solar cell traps energy from the sun called solar energy and converts into electric energy which can be used during day time as well as at night when the sun is not around.

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