Every Day Science MCQs with Explanations

Explanation

The subatomic particles arriving from outer space having high energy are called cosmic rays. They are mainly 89% protons.

Explanation

A polypeptide is a single linear chain of many amino acids (any length), held together by amide bonds. A protein consists of one or more polypeptides (more than about 50 amino acids long). An oligopeptide consists of only a few amino acids (between two and twenty).

Explanation

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

Explanation

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

Explanation

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

Explanation

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

Explanation

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

Explanation

It comes in various colours ranging from white to pale yellow, orange, pink and dark purple. The colour of the onion is due to the presence of anthocyanins and anthoxanthins which belong to the class of Flavonoids.

Explanation

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

Explanation

In January Earth makes its closest approach to the Sun for the year.