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Biology - section - 2
  1. ________ helps the eye to adjust the focal length of the lens.

    2. A.

     Lens
    B.

     Ciliary body
    C.

     Retina
    D.

     Entire eye ball

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  2. Eustachian Tube is located in which part of human body?

    3. A.

     Nose
    B.

     Ear
    C.

     Eyes
    D.

     Throat

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  3. Glomerulus and Bowman's capsule constitute

    4. A.

     Blood vessels
    B.

     Malpighian body
    C.

     Green gland
    D.

     Malpighian tubule

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  4. The kidneys are stimulated to produce renin

    5. A.

     When the pH of the urine decreases
    B.

     When the specific gravity of urine rises above 1.10
    C.

     When the peritubular capillaries are dilated
    D.

     By a decrease in the blood pressure

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  5. In mammals, an important role of excretion is played by ________

    6. A.

     Large intestine
    B.

     Kidneys
    C.

     Lungs
    D.

     Liver

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  6. Nephron is related to which of the following system of human body?

    7. A.

     Circulatory system
    B.

     Excretory system
    C.

     Reproductive system
    D.

     Respiratory system

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  7. Dialysis is used to perform the function of

    8. A.

     Lung
    B.

     Heart
    C.

     Liver
    D.

     Kidney

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  8. Excretion is best described as the removal of

    9. A.

     Undigested material from the digestive tract
    B.

     Metabolic wastes from a cell
    C.

     Toxic wastes by the process of cyclosis
    D.

     Water molecules from dipeptide hydrolysis

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  9. Islets of Langerhans are present in

    10. A.

     Kidney
    B.

     Liver
    C.

     Pancreas
    D.

     Trachea

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  10. Filtration of blood occur in

    11. A.

     Lung
    B.

     Bowmen's capsule
    C.

     Uriniferous tubule
    D.

     Ureater

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