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Transportation in Animals and Plants Test - 6

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Transportation in Animals and Plants Test - 6
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  • Question 1
    1 / -0
    Arteries can be distinguished from veins because the arteries have:
    Solution
    Arteries have more muscular walls than veins because the arteries have to carry the oxygenated blood from the heart to the other parts of the body at high pressure and velocity than the veins. The vein carries deoxygenated blood from the different parts of the body to the heart. An artery has to pump blood throughout the body, hence has a thick muscular wall.
    So, option 'A' is correct.
  • Question 2
    1 / -0
    CO2CO_2 is removed from the blood in the:
    Solution
    Blood containing carbon dioxide flows from veins throughout the body to the heart, and then the heart pumps it to the lungs. Small air sacs (alveoli) in the lungs remove the carbon dioxide from the blood and release it into the lungs where it is exhaled. 
    So, the correct answer is option D.
  • Question 3
    1 / -0
    Which one is correct?
  • Question 4
    1 / -0
    Which of the following is used as artificial kidney in the patients suffering from kidney failure?
    Solution
    • The process of filtering the blood by the artificial kidney is known as dialysis. 
    • It is a method of removing excess water, nitrogenous wastes (urea), toxins from the blood in the patient who is rapidly developing loss of kidney function. 
    • It is also called renal replacement therapy. Hence dialysis is used as an artificial kidney in kidney failure patients.
    So, the correct answer is 'Dialysis'.
  • Question 5
    1 / -0
    Urine is stored in the
    Solution
    • Urine is formed in the kidneys through the filtration of blood and from the kidney, the ureter transports urine into the urinary bladder. 
    • The urinary bladder is a muscular sac. When it is empty, it is about the size and shape of a pear. 
    • It acts as a temporary reservoir for urine.

    So, the correct answer is 'Urinary bladder'.
  • Question 6
    1 / -0
    The resting person usually has a pulse rate between _________ beats per minute.
    Solution
    Pulse rate is basically the number of times your heart beats per minute. If a person is at rest which means either the person is sitting or lying and is in a relaxed and healthy state then normally, the pulse rate of that person will be 72 to 80 beats per minute. 
    Therefore, the correct answer is option B.
  • Question 7
    1 / -0
    A normal pulse is .......... in rhythm. 
    Solution
    A normal pulse is regular and strong. Heart rates, and therefore pulse rates (number of beats per minute) change with age and can vary between individuals of the same age.

    So, the correct option is 'Regular'.
  • Question 8
    1 / -0
    Urea formed in the body is removed by which of the following metabolic system?
    Solution
    The excretory system is a passive biological system that removes excess, unnecessary materials from the body fluids of an organism, so as to help maintain internal chemical balance and prevent damage to the body. Urea is produced when foods containing protein, such as meat, poultry, and certain vegetables, are broken down in the body. Urea is carried in the bloodstream to the kidneys where it gets filtered, and thus it is removed from the blood via urinary system. Therefore the correct answer is option B.
  • Question 9
    1 / -0
    Food from the leaves is conducted ______ through the phloem in the stem.
    Solution
    Food from the leaves is conducted downwards through the phloem in the stem. The food is then stored in organs like root, stem fruits etc. When the food synthesized is in less amount or not synthesized at all due to environmental or physiological conditions then it is supplied upwards from the storage organs to the leaves. Conduction of water through the xylem occurs always in the upward direction.
    So, the correct answer is 'Downwards'
  • Question 10
    1 / -0
    The anti-coagulant present in human blood is
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