Every Day Science MCQs with Explanations

Explanation

A nebula is an enormous cloud of dust and gas occupying the space between stars and acting as a nursery for new stars. The roots of the word come from Latin nebula, which means a “mist, vapor, fog, smoke, exhalation.” Nebulae are made up of dust, basic elements such as hydrogen and other ionized gases.

Explanation

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

Explanation

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

Explanation

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

Explanation

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

Explanation

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

Explanation

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

Explanation

Nuclear reactors operate on the principle of nuclear fission, the process in which a heavy atomic nucleus splits into two smaller fragments. … A large amount of energy is released in this process, and this energy is the basis of nuclear power systems.

Explanation

Red Super-giants Star is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.