Everyday Science

Everyday Science subject is comprise of Biology, Chemistry, Physics, Environmental Science, Geography and Engineering Subjects. This section also carries MCQs about how and why, science shapes our daily lives. Everyday Science or EDS is one of the compulsory subjects in CSS. It is also part of most of general tests conducted by different testing services and government departments, schools or colleges.

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    Chemistry
    Which of the following when added to pure water usually increases its surface tension?
    The surface tension of water is increased when salt is added to it. Although the strong interactions between sodium cations and partial negative oxygen, and chloride anions and partial positive hydrogens disrupt some hydrogen bonding between water molecules, they actually strengthen the surface tension of water.
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    Everyday Science
    Who for the first time point out that the path of a projectile would a parabola:
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    Biology
    What is the role of platelets in a human body?
    Platelets, or thrombocytes, are small, colorless cell fragments in our blood that form clots and stop or prevent bleeding.
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    Everyday Science
    Connection between two nerve cells is called?
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    Biology
    The chlorophyll in photosynthesis is used for
    Chlorophyll`s job in a plant is to absorb light—usually sunlight. The energy absorbed from light is transferred to two kinds of energy-storing molecules.
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    Everyday Science
    Which of the following is an example of communicable disease?
    Some examples of the communicable disease include HIV, hepatitis A, B and C, measles, salmonella, measles, and blood-borne illnesses. Most common forms of spread include fecal-oral, food, sexual intercourse, insect bites, contact with contaminated fomites, droplets, or skin contact.
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    Everyday Science
    Identify the branch of science that explores the chemical processes within and related to living organisms
    Biochemistry is the branch of science that explores the chemical processes within and related to living organisms. It is a laboratory based science that brings together biology and chemistry. By using chemical knowledge and techniques, biochemists can understand and solve biological problems.
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    Everyday Science
    What is the angle through which cyclist should bend to avoid skidding during a turn?
    The angle through which a cyclist has to bend himself, to prevent overturning himself is given by tan(v / rg) Where v is its linear velocity, R is the radius of the turn and g is the acceleration due to gravity.
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    Chemistry
    When carbon dioxide is passed through lime water, the white precipitate obtained is
    When carbon dioxide is passed through lime water, it turns milky due to formation of white precipitate in form of calcium carbonate.
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    Biology
    The fluid medium contained in the blood is
    Plasma, also called blood plasma, the liquid portion of blood. Plasma serves as a transport medium for delivering nutrients to the cells of the various organs of the body and for transporting waste products derived from cellular metabolism to the kidneys, liver, and lungs for excretion.
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