Every Day Science MCQs with Explanations

Explanation

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

Explanation

Sunsets on Earth have a red, orange or golden color because the sunlight passes through so much atmosphere as it comes over the horizon that all the blue light gets scattered away. On Mars, while the sky is red during the day, the sunset is blue.. Mars is known as the Red Planet because of iron oxide (like rust) in its soil. … Just as colors are made more dramatic in sunsets on Earth, Martian sunsets would appear bluish to human observers watching from the red planet.

Explanation

1,00,000 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

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

Explanation

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

Explanation

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

Explanation

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

Explanation

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

Explanation

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

Explanation

Each foot is made up of 26 bones, 30 joints and more than 100 muscles, tendons and ligaments, all of which work together to provide support, balance and mobility. Here’s a look at the main structures of the feet.