This document contains 15 multiple choice questions about general knowledge topics ranging from science to geography. The questions cover topics such as distance-time graphs, torque, friction, gravitational force, red blood cells, technologies, melting points, heat transfer through waves, components of solar heating systems, the capital of Tajikistan, the location of the Great Pyramid of Giza, the world's most attractive volcano, when Germany attacked France during WWII, when World Population Day is observed, and the highest point in Australia. The document tests a wide range of general knowledge through short multiple choice questions.

1. General Knowledge [Questions & Answers] |Part 83|
Multiple choice quiz questions and answers
1 If object is at rest then distance-time graph is __________.
2 Torque is turning effect of __________.
3 Friction is reduced by __________.
4 Gravitational force of attraction between satellite and earth provides __________.
5 In a normal human body, the total number of red blood cells is __________.
6 Most of technologies throughout world are related to __________.
7 Temperature at which solid starts to melt is called __________.
8 Process in which heat is transferred in form of waves is called __________.
9 A solar heating system consists of __________.
10 Which is the capital of Tajikistan?
11 The Great Pyramid of Giza, the oldest of the ancient 7 wonders of the world, is
located in __________.
12 The world's most attractive volcano __________.
13 During World War II, when did Germany attack France?
14 When is the World Population Day observed?
15 The highest point of Australia is __________.