ICSE-X-Biology

Previous Year Paper year:2010

with Solutions - page 2

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  • #1-c [5]
    Given below are five sets of five terms each. In each case, rewrite the terms in logical
    sequence as directed at the end of each statement. One has been done for you as an
    example.
    Example: Anaphase, Telophase, Prophase, Metaphase, Interphase
    (Sequential order of karyokinesis)
    Answer: Interphase, Prophase, Metaphase, Anaphase, Telophase
  • #1-c-i
    Vagina, Ovary, Uterus, Oviduct, Cervix
    (Pathway of egg after ovulation)
    Ans : Ovary, Oviduct, Uterus, Cervix, Vagina.
  • #1-c-ii
    Motor neuron, Receptor, Sensory neuron, Effector, Association neuron
    (Pathway of a nerve impulse)
    Ans : Receptor, Sensory Neuron, Association Neuron, Motor-Neuron, Effector.
  • #1-c-iii
    Pupil, Yellow spot, Cornea, Lens, Aqueous humour
    (Path of entry of light into the eye from an object)
    Ans : Cornea, Aqueous humour, Pupil, Lens, Yellow spot.
  • #1-c-iv
    Stoma, Mesophyll cells, Xylem, Substomatal space, Intercellular space
    (Loss of water due to transpiration)
    Ans : Xylem, Mesophyll cells, Intercellular space, Substomatal space, Stoma.
  • #1-c-v
    Cortical cells, Root hair, Soil, Water, Endodermis, Xylem
    (Entry of water into the plant from the soil)
    Ans : Soil, Water, Root hair, Cortical cells, Endodermis, Xylem.
  • #1-d [5]
    There are five sets consisting of five terms given below. In each set, there is a word
    which is an odd one. For each of these sets, write down the category of the group
    having identified the odd one out, as shown in the example:
    Example: (0) cell wall, vacuole, centrosome, plastids, mitochondria
    S. No. Category Odd One
    0 Organelles of plant cell Centrosome
    Ans :

    S. No. Category Odd One

    (i.)
    Simple reflex Knitting without looking
    (ii) Eye defects Cretinism
    (iii) Male reproductive system Lachrymal gland
    (iv) Anterior pituitary secreted Vasopressin
    (v) Disinfectants Mercurochrome
  • #1-d-i
    Blinking, Knitting without looking, Smiling, Blushing, Crying
  • #1-d-ii
    Myopia, Cataract, Hypermetropia, Squint, Cretinism
  • #1-d-iii
    Cowper.s gland, Urethral gland, Lacrimal gland, Seminal vesicles, Prostate gland
  • #1-d-iv
    Vasopressin, Growth hormone, TSH, ACTH, FSH
  • #1-d-v
    Cresol, DDT, Lime, Mercurochrome, Bordeaux mixture
  • #1-e [5]
    Choose the correct answer to the following statements out of the three choices given
    after each statement.
  • #1-e-i
    A point of contact between two neurons is termed
    1. Synapsis
    2. Neuromotor junction
    3. Synapse
    Ans : -(3) Synapse
  • #1-e-ii
    Loss of water as droplets from hydathodes is called
    1. Transpiration
    2. Bleeding
    3. Guttation
    Ans : -(3) Guttation