Every Day Science MCQs with Explanations

Explanation

vacuum is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

The Renaissance scientist who explained how planets moved around the sun was Kepler. Johannes Kepler was a German astrologer, astronomer and mathematician who played a significant role in the scientific revolution of the17th century.

Explanation

Vitamin K is a necessary component of the body’s ability to clot blood. Without this function, a simple cut could result in uncontrolled bleeding. In addition, vitamin K has an important role in the formation of bone. Higher levels of vitamin K mean more calcium in the bone, increased bone density, and less risk of fractures

Explanation

carbon dioxide and water in clouds react to form carbonic acid is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Sedimentary rocks is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

A dwarf planet is, “a celestial body orbiting a star that is massive enough to be rounded by its own gravity but has not cleared its neighboring region of planetesimals and is not a satellite. More explicitly, it has to have sufficient mass to overcome its compressive strength and achieve. The above definition was adopted by IAU 2006. The dwarf planet is a celestial body that is orbiting around the sun and a mass to assume a nearly round shape. It has not cleared the neighborhood space around it and not comes in satellite category. It is far from other planets. This the major difference between a planet and a dwarf planet. These criteria are fulfilled by Pluto. Pluto prior to this adaptation was considered as ninth planet of Solar system. In 2006, its status changed to dwarf planet. Pluto is an icy dwarf planet inside the Kupier belt. It was discovered in 1930 and considered then as part of solar system. So, it does not have always the same neighbouring planet is the correct option. There are currently five dwarf planets: Pluto, Eris, Makemake, Haumea, and Ceres.

Explanation

Rudolf Diesel is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Silicon and Germanium is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Sugar is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.