BIOLOGY TIMES — January 2018

(ff) #1

  1. Antibodies are produced by
    (a) Histiocytes (b) Mast cells
    (c) Plasma cells (d) Fibroblasts

  2. Blood pressure is lowest in
    (a) Veins (b) Venules
    (c) Arteries (d) Capillaries

  3. Assertion: Persons suffering from hemophilia
    fail to produce blood clotting factor VIII
    Reason: Prothrombin producing platelets in such
    persons are found in very low concentration
    (a) Both Assertion and Reason are true and
    Reason is the correct explanation of
    Assertion.
    (b) Both Assertion and Reason are true and but
    Reason is not the correct explanation of
    Assertion.
    (c) Assertion is true but Reason is false.
    (d) Both Assertion and Reason are false.

  4. Given figure depicts


(a) Evolutionary evidences from comparative
anatomy and physiology
(b) Evolutionary evidences from cytology
(c) Evolutionary evidences from biochemistry
and physiology
(d) Evolutionary evidences from embryology



  1. Match the following correctly.
    Column I Column II
    A. Myopia 1. Cone cells
    B. Rhodopsin 2. Convex lenses , far
    sightedness
    C. Iodopsin 3. Concave lenses, near
    sightedness
    D. Hypermetropia 4. Membranous labyrinth
    E. Endolymph 5. Rod cells
    (a) A-2, B-5, C-4, D-1, E-3
    (b) A-1, B-3, C-4, D-2, E-5
    (c) A-4, B-3, C-1, D-2, E-5


(d) A-3, B-5, C-1, D-2, E-4


  1. Match the following.
    Column I Column II
    A. Tyrosine 1. Calcitonin
    B. cAMP 2. Melatonin
    C. Ionic calcium 3. Vitamin D
    D. Hypocalcemia 4. Hormone action

  2. Thyroxine
    (a) A-5, B-4, C-3, D-1 (b) A-1, B-3, C-5, D-2
    (c) A-4, B-5, C-3, D-1 (d) A-3, B-1, C-5, D-2

  3. Cu ions released from copper-releasing Intra
    Uterine Devices (IUDs)

    (a) Make uterus unsuitable for implantation
    (b) Increases phagocytosis of sperms
    (c) Suppress sperm motility
    (d) Prevent ovulation

  4. Waste product of adenine and gauanine
    metabolism is excreted as
    (a) Urea (b) Ammonia
    (c) Uric acid (d) Allantoin

  5. Match the items given in Column I with those in
    Column II.
    Column I Column II
    A. Bilirubin 1. Parotid
    and biliverdin
    B. Hydrolysis 2. Bile
    of starch
    C. Digestion of fat 3. Lipases
    D. Salivary gland 4. Amylases
    (a) A - 2, B - 4, C - 3, D - 1
    (b) A - 1, B - 3, C - 4, D - 2
    (c) A - 4, B - 3, C - 1, D - 2
    (d) A - 2, B - 1, C - 3, D - 4

  6. The non-suprative inflammation of the kidneys

    due to bacterial infection is called
    (a) Uraemia (b) Kidney stones
    (c) Haematuria (d) Nephritis or Bright’s
    disease

  7. Prolonged thiamine deficiency in diet leads to
    (a) Pellagra (b) Anaemia
    (c) Haemorrhage
    (d) Loss to muscle tone and damage to nerves

  8. Secondary metabolite is
    (a) Sugar (b) Glucose
    (c) Antibiotics (d) All of these

  9. Transition state structure of the substrate formed
    during an enzymatic reaction is
    (a) Transient and unstable
    (b) Permanent and stable
    (c) Transient but stable
    (d) Permanent but unstable

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