JAMB - Biology (2016)

  • 1
    Which of the following conditions is NOT necessary for photosynthesis to take place?
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    (C)
    Carbon(II)oxide
  • 2
    The insects in which the maxillae are modified into a long coiled proboscis is
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    (B)
    butterfly
  • 3
    When a cell is placed in solution and the size of the cell increases, the concentration of solution is said to be
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    (C)
    hypotonic
  • 4
    Which of the following plant hormone is responsible for ripening of fruits?
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    (C)
    Ethylene
  • 5
    The ability of a living organism to detect and respond to changes in the environment is referred to as
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    (C)
    irritability
  • 6
    An example of an endospermous seed is
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    (D)
    maize grain
  • 7
    Which of the following theories was NOT considered by Darwin in his evolutionary theory?
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    (C)
    use and disuse
  • 8
    Which of the following protects the essential parts of the flower at bud stage?
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    (B)
    Sepals
  • 9
    which of the following is an agent of a sexually transmitted disease?
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    (C)
    Treponema pallidum
  • 10
    Which of the following animals has homodont dentition?
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    (C)
    Lizard
  • 11
    The movement of blood between the heart and all other parts of the body besides the lung is known as
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    (A)
    systemic circulation
  • 12
    If the cross of a red-flowered plant with a white flowered plant produces a pink flowered plant, this is an example of
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    (B)
    incomplete dominance
  • 13
    The largest amount of yolk is found in the egg of
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    (D)
    aves
  • 14
    Fibrinogen and prothrombin play important roles in the
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    (B)
    clotting of blood
  • 15
    The pathogen that cause smallpox is
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    (D)
    poxvirus
  • 16
    The vector for the malaria parasite is a
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    (B)
    female Anopheles mosquito
  • 17
    Which of the following pairs are social insects?
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    (D)
    Termite and bee
  • 18
    Which of the following is NOT a method of conserving wild life?
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    (A)
    Indiscriminate poaching
  • 19
    The importance of the mouth-brooding behaviour in Tilapia is that it
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    (B)
    affords protection from predation for the young fish
  • 20
    The type of asexual reproduction that is common to both Paramecium and Protists is
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    (D)
    fission
  • 21
    The micro-organisms that causes Typhoid disease is
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    (B)
    Salmonella typhi
  • 22
    A collection of population of all living organisms that exist in a habitat is referred to as
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    (C)
    community
  • 23
    The theory of use and disuse of organs was promulgated by
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    (C)
    Jean Lamarck
  • 24
    The theory of natural selection was postulated by
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    (C)
    Charles Darwin
  • 25
    The movement response of a cockroach away from a light source is
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    (A)
    negative phototaxism
  • 26
    Which of the following can cause shrinkage of living cells?
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    (D)
    Hypertonic solution
  • 27
    The ability of chameleon to change its colour rapidly is an adaptation for
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    (D)
    escaping detection
  • 28
    The function of the red head in male Agama lizards is to
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    (C)
    attract female lizards for mating purposes
  • 29
    The activity of ptyalin is likely to decrease with an increase in the concentration of
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    (D)
    acid
  • 30
    Seed plants are divided into
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    (C)
    angiosperms and gymnosperms
  • 31
    The adaptive importance of the nuptial flight from termite colonies is to
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    (B)
    disperse the reproductives in order to establish new colonies
  • 32
    The sequence of the one-way gaseous exchange mechanism in a fish is
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    (B)
    mouth ⇢ gills ⇢ operculum
  • 33
    In the nitrogen cycle, the nitrates in the soil are converted to atmospheric nitrogen by
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    (D)
    denitrifying bacteria
  • 34
    The relationship between a termite and the protozoam in its intestine is described as
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    (C)
    symbiosis
  • 35
    Exo-erythrocytic phase of the life cycle of malaria parasite occurs in the
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    (A)
    liver of humans
  • 36
    Which of the following organs regulates the levels of water. salts, hydrogen ions, and urea in the mammals?
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    (A)
    Kidney
  • 37
    The rate of transpiration is NOT affected by
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    (A)
    the weight of the stomata pores
  • 38
    The crossing of individuals of the same species with different genetic characters is
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    (A)
    croos breeding
  • 39
    The hereditary characters in plants and animals are located on the
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    (C)
    chromosome
  • 40
    The arrangement of ovules attached to the sides of a syncarpous ovary with a single chamber is referred to as
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    (C)
    parietal placentation
  • 41
    When sickle cell carrier marries a normal woman, the probability of them having a normal offspring is
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    (C)
    0.5
  • 42
    In which of the following groups of vertebrates is parental care mostly exhibited?
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    (D)
    Mammalia
  • 43
    An example of a non-bio degrable pollutants is
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    (C)
    ceramics
  • 44
    The bacteria that is found in the root nodules of leguminous plants is
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    (B)
    rhizobium
  • 45
    Which of these organisms partly digest its food extracellularly?
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    (C)
    Spider