Every Day Science MCQs with Explanations

Explanation

Lycopene is a type of organic pigment called a carotenoid. It is related to beta-carotene and gives some vegetables and fruits (e.g., tomatoes) a red color. Lycopene is a powerful antioxidant that might help protect cells from damage. It’s found in tomato, watermelon, red orange, pink grapefruit, apricot, rose hip, and guava.

Explanation

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

Explanation

Radio waves detectable from Earth is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

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

Explanation

Caustic soda is for example used in the production of silicas, silicates and metasilicates, phosphates, fibres, bleach, detergents and soaps as well as in food processing (for example of sugar) and in the refining of vegetable and mineral oils.

Explanation

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

Explanation

The hot planet, “ Venus ” is called as the “Evening star” due to its appearance to the “ naked eye ” at the evening. It can be easily “seen” in the “naked eye” in the evening sky after the sun sets in the west direction. That’s why we are saying it rises in the west. This is also referred as “Morning star” when it changes its orbital position and it looks even brighter in the morning than in the evening. The reason why it is visible to the people residing on the earth is that it is so closer to the earth than any other planets in the solar system. As Venus is nearer to sun, it is the brightest one and can be viewed from the earth.

Explanation

The Moon has been bombarded with large quantities of Helium-3 by the solar wind. It is thought that this isotope could provide safer nuclear energy in a fusion reactor, since it is not radioactive and would not produce dangerous waste products.

Explanation

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

Explanation

Calcium carbonate (also known as chalk), mined as calcite, is the most commonly used filler for PVC.