Every Day Science MCQs with Explanations

Explanation

In a free fall due to failure of the lift mechanism is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

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

Explanation

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

Explanation

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

Explanation

Enamel is the hardest substance in the human body and contains the highest percentage of minerals, 96%, with water and organic material composing the rest. The primary mineral is hydroxyapatite, which is a crystalline calcium phosphate

Explanation

Carl Linnaeus, also known as Carl von Linné or Carolus Linnaeus, is often called the Father of Taxonomy. His system for naming, ranking, and classifying organisms is still in wide use today (with many changes).

Explanation

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

Explanation

Arachnology is the scientific study of spiders and related animals such as scorpions, pseudoscorpions, and harvestmen, collectively called arachnids.

Explanation

Guava-fruit is an excellent source of antioxidant vitamin-C. 100 g fresh fruit provides 228 mg of this vitamin, more than three times the DRI (daily-recommended intake). The flesh just underneath its outer thick rind contains exceptionally higher levels of vitamin C than its inner creamy pulp.

Explanation

There are three different types of zebra, and each type has a specific set of qualities that sets them apart from others: Plains zebra – Also known as the common zebra, it is the most geographically widespread species of zebra. On average, each plains zebra will have roughly 26 stripes per side. Mountain zebra – This is a threatened species, and is native to south-western Angola, Namibia, and South Africa. On average, each mountain zebra will have approximately 43 stripes per side. Grevy’s zebra – Also known as the imperial zebra, this species is the most endangered of all zebra. The Grevy’s zebra is native to Kenya and Ethiopia. On average, each Grevy’s zebra will have around 80 stripes per side.