Every Day Science MCQs with Explanations

Explanation

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

Explanation

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

Explanation

A dioptre is a unit of measurement of the optical power of a lens or curved mirror, which is equal to the reciprocal of the focal length measured in metres. (1 dioptre = 1 m−1.) It is thus a unit of reciprocal length.

Explanation

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

Explanation

Fingernails and toenails are made of a tough protective protein called alpha-keratin. This protein is also found in the hooves and horns of different animals. Fingernails grow from the matrix. The nails are composed largely of keratin, a hardened protein (that is also in skin and hair). As new cells grow in the matrix, the older cells are pushed out, compacted and take on the familiar flattened, hardened form of the fingernail.

Explanation

Modified gunmetal contains lead in addition to the zinc; it is typically composed of 86% copper, 9.5% tin, 2.5% lead, and 2% zinc. It is used for gears and bearings.

Explanation

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

Explanation

Venus is known as “The Morning Star and Evening Star”. One of the nicknames of Venus is “the Morning Star”. It’s also known as the Evening Star. Of course, Venus isn’t a star at all, but a planet.

Explanation

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

Explanation

Spleen is Known As “Graveyard” Of Red Blood Cells (RBCs). Spleen has a similar structure to a large lymph node, which primarily functions as a blood filter. The spleen plays an important role in the red blood cells also known as aserythrocytes and the digestive system. Old and damaged RBC’s are destroyed in the spleen and It is known as the RBCs Graveyard. Function of spleen : The spleen is the largest organ of the lymphatic system. It keeps all the body fluids balanced. It is made up of a red pulp tissue that filters the old and damaged red blood cells. The important function of the spleen is to filter the blood. The spleen recycles the old and damaged red blood cells and the white blood cells are stored. Spleen also helps to fight against bacteria that cause diseases such as meningitis and pneumonia.