Every Day Science MCQs with Explanations

Explanation

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

Explanation

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

Explanation

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

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

Explanation

Ornithophily refers to the pollination of flowers by birds. This process often involves brightly colored flowers that produce nectar,. Pollination of flowers by birds is called ornithophily. Explanation Birds pollinate flowers by visiting them in search of nectar, a sweet liquid that they use for food. Birds that pollinate flowers are called ornithophiles. They are often nectarivorous birds with long bills and brushy tongues. Birds spread pollen grains to other nearby flowers when they feed on flower material and fruits. Flowers that are pollinated by birds are called ornithophilous. Ornithophily is especially well developed in the tropics, Southern Africa, and on some island chains. Examples of birds that pollinate flowers Hummingbirds, Sunbirds, Honeycreepers, Honeyeaters, and Brush-tongued parrots.

Explanation

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

Explanation

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

Explanation

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

Explanation

Optical fibers are used most often as a means to transmit light between the two ends of the fiber and find wide usage in fiber-optic communications, where they permit transmission over longer distances and at higher bandwidths (data transfer rates) than electrical cables.

Explanation

Joseph Black, a Scottish chemist and physician, first identified carbon dioxide in the 1750s. At room temperatures (20-25 oC), carbon dioxide is an odourless, colourless gas, which is faintly acidic and non-flammable. Carbon dioxide is a molecule with the molecular formula CO2.