Every Day Science MCQs with Explanations

Explanation

Coldest planet Uranus is the coldest planet in all the eight planets. Most of its mass is a hot, very dense fluid of icy materials like water, methane and ammonia above a small rocky core. Uranus is an ice giant. It holds the record for the coldest temperature ever measured in the Solar System about -224°C.

Explanation

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

Explanation

Strongly attracted by a magnet is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

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

Explanation

The longest bone is the Femur (thigh bone) and the shortest one is the Stapes (one of the 3 small bones inside the ear). The largest and broadest is the hip bone or pelvis. It is made of six parts firmly joined in a C shape. The lowest part of the backbone, called the sacrum, fits into the C’s gap. The smallest bone is the stirrup (stapes) deep inside the ear, which is involved in hearing. The strongest bone for its size is the lower jaw or mandible.

Explanation

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

Explanation

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

Explanation

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

Explanation

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