ICSE-X-Biology

Previous Year Paper year:2013

with Solutions - page 2

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  • #1-c [5]
    Given below are six sets with four terms each. In each set, a term is an odd one and
    cannot be grouped in the same category to which the other three belong. Identify the
    odd one in each set and name the category to which the remaining three belong. The
    first one has been done as an example:
    Example: Fructose, Sucrose, Glucose, Calcium
    Odd term: Calcium
    Category: Carbohydrates
  • #1-c-i
    Carbonic acid, acetic acid, benzoic acid, boric acid
    Ans :

    Column A Column B

    (i.) Food Preservatives
    Boric acid
    (ii) Lysozyme containing secretion Bile
    (iii) Disorders of thyroid gland Acromegaly
    (iv) Unconditioned reflexes Typing
    (v) Parts of inner ear Tympanum
  • #1-c-ii
    Saliva, bile, sweat, tears
  • #1-c-iii
    Cretinism, myxoedema, simple goitre, acromegaly
  • #1-c-iv
    Sneezing, coughing, blinking, typing
  • #1-c-v
    Semicircular canals, cochlea, tympanum, utriculus
  • #1-d [5]
    Match the items in Column A with that which is most appropriate in Column B.
    Rewrite the matching pair.
    Column A Column B
    (1) Testis (a) Kidney
    (2) Poliomyelitis (b) Water vapour
    (3) Transpiration (e) Prostate gland
    (4) Clotting of blood (d) Iron
    (5) Uriniferous tubule (e) Uterus
    (f) Gonad
    (g) Salk's vaccine
    (h) Water droplet
    (i) Calcium
    (j) TAB vaccine
    Ans :

    Column A Column B

    (i.) Testis
    (f) Gonad
    (ii) Poliomyelitis (g) Salk's Vaccine
    (iii) Transpiration (b) Water vapour
    (iv) Clotting of blood
    (i.) Calcium
    (v) Uriniferous tubule (a) Kidney
  • #1-e [5]
    Choose the correct answer from the four options given below:
  • #1-e-i
    The cell component visible only during cell division is
    A. Mitochondria
    B. Chloroplast
    C. Chromosome
    D. Chromatin
    Ans : (C) Chromosome
  • #1-e-ii
    Pulse wave is mainly caused by the
    A. Systole of atria
    B. Diastole of atria
    C. Systole of the left ventricle
    D. Systole of the right ventricle
    Ans : (C) Systole of the left ventricle
  • #1-e-iii
    The recessive gene is one which expresses itself in
    A. Heterozygous condition
    B. Homozygous condition
    C. F2 generation
    D. Y-linked inheritance
    Ans : (B) Homozygous condition
  • #1-e-iv
    A gland which secretes both hormone and enzyme is the
    A. Pituitary
    B. Pancreas
    C. Thyroid
    D. Adrenal
    Ans : (B) Pancreas
  • #1-e-v
    The ventral root ganglion of the spinal cord contains cell bodies of the
    A. Motor neuron
    B. Sensory neuron
    C. Intermediate neuron
    D. Association neuron
    Ans : (D) Association neurons
  • #1-f [5]
    Given below is an example of certain structures and their special functional activities.
    For example: Eye and vision. On a similar pattern, complete the following:
  • #1-f-i
    Neutrophils ........
    Ans : Neutrophils: Phagocytosis