Every Day Science MCQs with Explanations

Explanation

Heat energy from the earth’s interior is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Dolly the sheep was first clonned animal In 1996, Dolly the sheep—the first mammal to have been successfully cloned from an adult cell—is born at the Roslin Institute in Scotland. Originally code-named “6LL3,” the cloned lamb was named after singer and actress Dolly Parton.

Explanation

The expected number of RBCs in a single drop, or microliter, of blood is 4.5 to 6.2 million in men and 4.0 to 5.2 million in women.

Explanation

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

Explanation

Human blood is red because hemoglobin, which is carried in the blood and functions to transport oxygen, is iron-rich and red in color. Octopuses and horseshoe crabs have blue blood. This is because the protein transporting oxygen in their blood, hemocyanin, is actually blue.

Explanation

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

Explanation

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

Explanation

The average brain weight of the adult male was 1336 gr; for the adult female 1198 gr. With increasing age, brain weight decreases by 2.7 gr in males, and by 2.2 gr in females per year.

Explanation

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

Explanation

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