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Biology Test 25
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Biology Test 25
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  • Question 1/10
    1 / -0
    Heart attack occurs due to?
    Solutions
    A heart attack happens if the flow of oxygen-rich blood to a section of heart muscle suddenly becomes blocked and the heart can't get oxygen. Most heart attacks occur as a result of coronary heart disease (CHD).
  • Question 2/10
    1 / -0
    Which of the following parts of human body is affected by Pyria?
    Solutions
    Pyria is usually a symptom of poor dental hygiene, where the person is not brushing often, or not adequately enough leading to bacteria growth in and around the gums.
  • Question 3/10
    1 / -0
    Which one among the following vitamins is necessary for blood clotting?
    Solutions
    • Vitamin K is fat-soluble vitamin needed in the human body for complete synthesis of certain proteins that are required for blood coagulation and also certain proteins that the body uses to control binding of calcium in bone and other tissues.
    • It is also known as phylloquinone
  • Question 4/10
    1 / -0
    Coffee is obtain from which part of plant?
    Solutions
    Coffee is a brewed drink prepared from roasted coffee beans, which are the seeds of "berries" from the Coffee plant.
  • Question 5/10
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    Which one of the following is an enzyme ?
    Solutions
    Trypsin is a pancreatic serine protease with substrate specificity based upon positively charged lysine and arginine side chains (Brown and Wold 1973). The enzyme in excreted by the pancreas and takes part in the digestion of food proteins and other biological processes.
  • Question 6/10
    1 / -0
    Branch of biology which deals with the study of identification, nomenclature and classification of organism is-
    Solutions
    Taxonomy is the science of naming, describing and classifying organisms and includes all plants, animals and microorganisms of the world.
  • Question 7/10
    1 / -0
    Human blood is a viscous fluid due to____.
    Solutions
    Blood behaves as a non-Newtonian fluid. As such, the viscosity of blood varies with shear rate. Blood becomes less viscous at high shear rates like those experienced in peak-systole.
  • Question 8/10
    1 / -0
    Which one of the following is the sweetest natural sugar ?
    Solutions
    Fructose is the sweetest of all natural sugar types. It is particularly effective at enhancing the flavour of fruit and berries.
  • Question 9/10
    1 / -0
    By ECG we can observe the activity of _____.
    Solutions
    • Electrocardiography (ECG) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on a patient's body.
    • An electroencephalogram (EEG) is a test used to find problems related to electrical activity of the brain. An EEG tracks and records brain wave patterns.
  • Question 10/10
    1 / -0
    Largest external organ of human body is ________.
    Solutions
    The largest internal organ is the liver. The largest external organ, which is also the largest organ in general is the skin.
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