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Olympiad Test Level 1: Technological Developments and Inventions- 1


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10 Questions MCQ Test GK Olympiad for Class 7 | Olympiad Test Level 1: Technological Developments and Inventions- 1

Olympiad Test Level 1: Technological Developments and Inventions- 1 for Class 7 2023 is part of GK Olympiad for Class 7 preparation. The Olympiad Test Level 1: Technological Developments and Inventions- 1 questions and answers have been prepared according to the Class 7 exam syllabus.The Olympiad Test Level 1: Technological Developments and Inventions- 1 MCQs are made for Class 7 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test Level 1: Technological Developments and Inventions- 1 below.
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Olympiad Test Level 1: Technological Developments and Inventions- 1 - Question 1

The Nobel Prize in Chemistry, 2015 was awarded to _________ for "mechanistic studies of DNA repair".

Olympiad Test Level 1: Technological Developments and Inventions- 1 - Question 2

Which of the following chemicals is not used in photographic processing? 

Olympiad Test Level 1: Technological Developments and Inventions- 1 - Question 3

Which scientist discovered the radioactive element radium?

Detailed Solution for Olympiad Test Level 1: Technological Developments and Inventions- 1 - Question 3

It was discovered by Marie Curie.

Olympiad Test Level 1: Technological Developments and Inventions- 1 - Question 4

Who was the first woman to go to space?

Detailed Solution for Olympiad Test Level 1: Technological Developments and Inventions- 1 - Question 4

The first woman to go in space was Valentina Tereshkova.

Olympiad Test Level 1: Technological Developments and Inventions- 1 - Question 5

Jupiter has many moons. The four largest moons namely LO, Europa, Ganymede and Callisto were first observed by which of the following astronomers?

Olympiad Test Level 1: Technological Developments and Inventions- 1 - Question 6

Which country has developed the 1st helium microscope?

Detailed Solution for Olympiad Test Level 1: Technological Developments and Inventions- 1 - Question 6

Australia developed 1st helium microscope.

Olympiad Test Level 1: Technological Developments and Inventions- 1 - Question 7

Who among the following discovered telescope?

Olympiad Test Level 1: Technological Developments and Inventions- 1 - Question 8

What is the name of the satellite launched by China space lab Tiangong-2?

Olympiad Test Level 1: Technological Developments and Inventions- 1 - Question 9

Ben jamin Fran klin was a prolific inventor. He invented lightning rod. Franklin stove studied electricity, discovered the gulf stream and started the first library. Among his many other inventens. Which musical instrument did he invent?

Olympiad Test Level 1: Technological Developments and Inventions- 1 - Question 10

The world’s 1st scann ing helium microscope (SHeM) is developed by which country?

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