JAMB - Biology (1987)

  • 1
    The functions of endoplasmic reticulum is
    Jibu
    (B)
    intracellular transport of materials
  • 2
    Which of the following features of euglena is found only in animals?
    Jibu
    (B)
    Flagellum
  • 3
    An organism found on a bare rock surface has features of algae and fungi. The organism is
    Jibu
    (B)
    a lichen
  • 4
    In a plant exhibiting alternation of generations, the diploid multicellular stage is known as
    Jibu
    (D)
    sporophyte
  • 5
    A characteristic that distinguishes bryophytes from flowering plants is the
    Jibu
    (C)
    absence of vascular tisssues
  • 6
    A good example of a diploblastic organism is 
    Jibu
    (B)
    hydra
  • 7
    The function of the clitellum in the earthworm is to
    Jibu
    (D)
    secrete cocoon
  • 8
    The crayfish is an arthropod because
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    (D)
    its body is covered with an exoskeleton made of chitin
  • 9
    The hypha of Rhizopus is said to be non septate because it
    Jibu
    (B)
    has no cross walls
  • 10
    In most true ferns sporangia are grouped into
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    (D)
    sari
  • 11
    In the reproduction of mosses, water is essential because
    Jibu
    (C)
    the male ganetes must swim to fertilize the ovum
  • 12
    In tapeworm, the two structure that run throughout the length of the body are the
    Jibu
    (A)
    nerve cord and excretory duct
  • 13
    Which of the following is not a characteristics of snail?
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    (B)
    Chitinous exoskeleton
  • 14
    In the life history of butterfly, destruction of crops is caused by the
    Jibu
    (C)
    caterpillar
  • 15
    The correct sequence of tissues in the anatomy of a young dicotyledonous stem from the inside to the outside is
    Jibu
    (C)
    pith, xylem, cambium, phloem, collenchyma, parenchyma and epidermis
  • 16
    Secondary thickening is initiated in a dicotyledonous stem by the
    Jibu
    (D)
    cambium
  • 17
    In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to
    Jibu
    (A)
    prevent alga growth in culture solution
  • 18
    The vitamin which is important in the formation of the retina pigment is
    Jibu
    (A)
    vitamin A
  • 19
    Which of the following lists of organs is directly involved in nutrition?
    Jibu
    (D)
    Salivary gland, liver, stomach, villi and colon
  • 20
    In the standard experiment to show that oxygen is given off during photosynthesis, sodium bicarbonate is used to
    Jibu
    (C)
    supply carbondioxide for photosynthesis
  • 21
    One cubic centimeter of lymph is richer than an equal volume of blood in
    Jibu
    (B)
    leucocytes
  • 22
    The oxidative part of the respiratory process takes place in the
    Jibu
    (A)
    mitochondria
  • 23
    Fatigue of leg muscles may occur after riding many kilometers on a bicycle because of
    Jibu
    (D)
    insufficient oxygen
  • 24
    The function of the loop of Henle is to
    Jibu
    (C)
    concentrate sodium chloride in the medulla of the kidney
  • 25
    Sclerenchyma cells are lignified to
    Jibu
    (A)
    strengthen and support the plant
  • 26
    The pineapple fruit is best described as
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    (C)
    multiple, succulent and indehiscent
  • 27
    A flower showing radial symmetry is said to be
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    (D)
    actinomorphic
  • 28
    A samara differs from a cypsela by having
    Jibu
    (A)
    an extended pericarp
  • 29
    The plantain reproduces asexually by
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    (A)
    suckers
  • 30
    Growth can best be determined in a population of Spirogyra by measuring the
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    (A)
    total length of the filament
  • 31
    Most cells in higher animals retain their power of division EXCEPT
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    (B)
    nerve cells
  • 32
    A severe deficiency of thyroxin results in
    Jibu
    (C)
    cretinism
  • 33
    The growth of a coleoptile towards unilateral light source is due to
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    (B)
    unequal distribution of auxin
  • 34
    The sequence of ear ossicles from the fenestra ovalis is
    Jibu
    (C)
    stapes, incus and malleus
  • 35
    The center for controlling body temperature in the brains is the
    Jibu
    (D)
    hypothalamus
  • 36
    Unlike auxins, gibberellins
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    (B)
    do not affect leaf and fruit abscission
  • 37
    A gene which expresses itself only in the homozygous condition is
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    (C)
    recessive
  • 38
    An example of monohybride inheritance in man is
    Jibu
    (D)
    albinism
  • 39
    If a plant homozygous for round and yellow (RR : YY), is crossed with a wrinkle green type (rr : yy) all of the resulting seeds will be
    Jibu
    (B)
    round and yellow
  • 40
    The ratio of carriers to sicklers in the F1 generation derived from a parental cross of two carriers of haemoglobin S gene is
    Jibu
    (C)
    2 : 1
  • 41
    In which of the following crosses will all the female offspring be colour blind?
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    (A)
    colour blind mother x colour blind father
  • 42
    Which of the following relates to edaphic factors?
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    (D)
    The influence of soils on plant and animals
  • 43
    Epiphytes growing on the branches of trees provide an example of the relationship known as
    Jibu
    (B)
    commensalism
  • 44
    Poliomyelitis is an infectious diseases caused by
    Jibu
    (A)
    virus
  • 45
    One of the functions of UNICEF is to
    Jibu
    (C)
    improve the health and nutrition of children and nursing mothers