Which of the following invention is oldest ?

Related Mcqs:

The deepest place on earth is ____________?

A. Trench B. Mariana Trench C. Mangrove D. Groove E. None of these...

Sunlight is composed of___________?

A. Three colours B. six colours C. seven colours D. eight colours...

The areas around the North and South poles within the Polar circles is called _____________?

A. The Torrid Zone B. The Frigid Zone C. The Temperature Zone D. The Hardiness Zone...

International date line passes through which strait?

A. Malacca Strait B. Adam Strait C. Bering Strait D. Java Strait...

A bird that can fly backwards?

A. Bat B. Humming Bird C. Crimson Sun Bird D. Cardinal Bird...