JAMB - Biology (2018)

  • 1
    A group of closely related organisms capable of interbreeding to produce the fertile offspring are known as members of a
    תְשׁוּבָה
    (D)
    species
  • 2
    A beaker of pond water containing few specimens of Euglena was placed in a dark room for two weeks. At the end of this period, the specimens of Euglena were still alive because they were
    תְשׁוּבָה
    (A)
    able to carry out holozoic nutrition
  • 3
    The cytoplasm of a cell is considered a very important component because it
    תְשׁוּבָה
    (B)
    suspends all cell organelles
  • 4

    Use the diagram shown to answer the question. After an hour, the level of water in the thistle funnel will

    תְשׁוּבָה
    (A)
    rise
  • 5

    Use the diagram shown to answer the question. The experiment above is used to demonstrate the process of

    תְשׁוּבָה
    (D)
    osmosis
  • 6

    Use the diagram shown to answer the question. In plant cells, the role of the membrane is played by the

    תְשׁוּבָה
    (B)
    cell wall
  • 7
    Red blood cells were found to have burst open after being placed in distill for an hour. This phenomenon is known as
    תְשׁוּבָה
    (C)
    haemolysis
  • 8
    The curvature movement of plants in response to the stimulus of water is called
    תְשׁוּבָה
    (A)
    hydrotropism
  • 9
    The overall reaction in glycolysis can be summarised as
    תְשׁוּבָה
    (B)
    C\(_{6}\)H\(_{12}\)O\(_{6}\) -----> 2C\(_{3}\)H\(_{4}\)O\(_{3}\) + 4H + 2ATP
  • 10
    The longest bone in the body is the
    תְשׁוּבָה
    (B)
    femur
  • 11
    Which of the following structures is not a skeletal material?
    תְשׁוּבָה
    (D)
    Muscle
  • 12
    The reason why the flow of blood through the capillaries is very slow is
    תְשׁוּבָה
    (D)
    Their large numbers and one cell-thick walls enables them to provide a large surface area through which materials can be exchanged between the blood and the body cells.
  • 13
    Which of the following groups of organisms has kidney as the excretory organ?
    תְשׁוּבָה
    (A)
    Fishes, amphibians, birds, man
  • 14
    Which of the following features is not a characteristic of arteries? Arteries
    תְשׁוּבָה
    (A)
    possess valves at internals throughout their length
  • 15

    The graph below shows the results of a laboratory investigation which measured the body temperatures of a lizard and a bird under changing artificial conditions. Use it to answer the question.

    Which of the statements below is valid?

    תְשׁוּבָה
    (B)
    The body temperature of the bird varied less than that of the lizard during changes in environmental temperature
  • 16

    The graph above shows the results of a laboratory investigation which measured the body temperatures of a lizard and a bird under changing artificial conditions. Use it to answer the question.

    What physiological term can be used to describe the regulation of the body temperature of the of the Lizard?

    תְשׁוּבָה
    (C)
    Poikilothermy
  • 17
    The reason why hospitals use saline solutions as drip Instead of water is
    תְשׁוּבָה
    (C)
    to maintain the composition of body fluids
  • 18
    The part of the ear which contains nerve cells sensitive to sound vibrations is the
    תְשׁוּבָה
    (A)
    cochlea
  • 19
    Spectacles with convex lenses correct long-sightedness by
    תְשׁוּבָה
    (A)
    converging the light rays before they enter the eye
  • 20
    A seed of a flowering plant can best be described as
    תְשׁוּבָה
    (B)
    the developed ovule
  • 21
    Which of the following processes removes carbon from the atmosphere?
    תְשׁוּבָה
    (B)
    photosynthesis
  • 22
    Which of the following cycles involves the process of precipitation and transpiration?
    תְשׁוּבָה
    (A)
    water cycles
  • 23
    What is the critical limiting factor for plants below the photic zone in an aquatic ecosystem?
    תְשׁוּבָה
    (C)
    intensity of light
  • 24
    Which of the following instruments is used to estimate the number of plants in a habitat?
    תְשׁוּבָה
    (C)
    quadrant
  • 25
    Which of the following statements is true about sandy soil?
    תְשׁוּבָה
    (B)
    is light and easy to dig
  • 26
    Which of the following organisms is a primary consumer?
    תְשׁוּבָה
    (B)
    sheep
  • 27

    Study the diagram of a food chain shown and use; it to answer the question.

    P ---> Q ---> R ---> S ---> T

    The organism designated P in the food chain above is normally sustained by energy from

    תְשׁוּבָה
    (A)
    sunlight
  • 28

    Study the diagram of a food chain shown and use; it to answer the question.

    P ---> Q ---> R ---> S ---> T

    Which of the following statements best describes the organism designated R? It

    תְשׁוּבָה
    (D)
    is a secondary consumer
  • 29
    Which of the following diseases is not hereditary?
    תְשׁוּבָה
    (B)
    Scabies
  • 30
    The immediate product of meiosis in flowering plants is the
    תְשׁוּבָה
    (B)
    gametophyte
  • 31
    DNA in eukaryotic cells is contained in the
    תְשׁוּבָה
    (B)
    nucleus
  • 32
    A woman who is heterozygous for the disease haemophilia marries a man who is  haemophilic. What percentage of their offspring would have the disease?
    תְשׁוּבָה
    (C)
    50%
  • 33
    Cytokinesis of mitosis is a process that ensures that
    תְשׁוּבָה
    (A)
    each daughter cell gets the necessary organelles
  • 34
    An animal which is active during the day is known as a
    תְשׁוּבָה
    (B)
    diurnal animal
  • 35
    Evidence of evolution include the following except?
    תְשׁוּבָה
    (D)
    geographical distribution of organisms
  • 36

    Use the diagram to answer the question. The diagram shows that the organisms are

    תְשׁוּבָה
    (C)
    oviparous
  • 37

    Use the diagram to answer the question. The breeding posture illustrated in the diagram is knows as

    תְשׁוּבָה
    (B)
    amplexus
  • 38
    An accurate identification of a rapist can be carried out by conducting
    תְשׁוּבָה
    (B)
    DNA analysis
  • 39
    A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is like to have contracted?
    תְשׁוּבָה
    (A)
    schistosomiasis
  • 40
    The flippers of a whale and the fins of a fish are examples of
    תְשׁוּבָה
    (D)
    convergent evolution
  • 41
    The yellowish colored liquid component of blood that normally holds the blood cells in suspension is
    תְשׁוּבָה
    (B)
    plasma
  • 42
    The function of pith in plant is
    תְשׁוּבָה
    (B)
    Pith, or medulla, is a tissue in the stems of vascular plants. Pith is composed of soft, spongy parenchyma cells, which store and transport nutrients throughout the plant.
  • 43
    A pollutant that is mostly associated with acid rain is
    תְשׁוּבָה
    (A)
    Nitrogen oxides
  • 44
    What is the function of contractile vacuole in paramecium?
    תְשׁוּבָה
    (D)
    Gets rid of excess water
  • 45
    An organism which exhibit extracellular digestion is
    תְשׁוּבָה
    (D)
    Rhizopus
  • 46
    How many days is used for incubation of an egg to release chick
    תְשׁוּבָה
    (A)
    21
  • 47
    The four classes of cnidarian include the following except
    תְשׁוּבָה
    (A)
    Turbellaria
  • 48

    What would happen if solution Y is more concentrated than solution X in fig 2 

    תְשׁוּבָה
    (D)
    The level of Y would rise, X would fall.
  • 49
    Physiological adaptation to very dry conditions in animal demonstrates
    תְשׁוּבָה
    (C)
    Aestivation
  • 50
    The hormones secreted by pancreas serves to
    תְשׁוּבָה
    (C)
    Lower blood glucose level
  • 51
    Blood circulation in a mammal is said to be double because
    תְשׁוּבָה
    (A)
    It passes twice through the heart in a complete circuit
  • 52
    Examples of animals with mammary glands include the following except
    תְשׁוּבָה
    (D)
    Hen
  • 53
    The hygrometer is used for measuring
    תְשׁוּבָה
    (A)
    Relative Humidity
  • 54
    Mineral salts can be absorbed into roots by
    תְשׁוּבָה
    (C)
    Diffusion and active transport
  • 55
    Which is an Animal without red blood cells
    תְשׁוּבָה
    (B)
    Earthworm
  • 56
    The temporary union of two organisms and the exchange of micronuclear elements is called
    תְשׁוּבָה
    (A)
    Conjugation
  • 57
    A plant tissue that carries water and mineral salt is
    תְשׁוּבָה
    (A)
    Xylem
  • 58
    Which of the following relationship involves only one organism
    תְשׁוּבָה
    (A)
    Saprophytism
  • 59

    Which parts provides food for the developing chick?

    תְשׁוּבָה
    (C)
    3 and 4
  • 60
    The outer membrane that covers the brain is
    תְשׁוּבָה
    (B)
    Dura mater
  • 61
    The process in which plant uses sunlight to synthesize nutrients from carbon dioxide and water is called
    תְשׁוּבָה
    (D)
    Photosynthesis
  • 62
    Cold blooded animals are referred to as
    תְשׁוּבָה
    (A)
    Poikilothermic
  • 63
    the vessel carrying oxygenated blood to the tissues is
    תְשׁוּבָה
    (A)
    Arteries
  • 64
    Which of the following is a mixed gland
    תְשׁוּבָה
    (C)
    Pancreas
  • 65
    A group of organism of the same species living together in a particular area is described as
    תְשׁוּבָה
    (C)
    Population
  • 66
    Tikka disease is related with the crop:
    תְשׁוּבָה
    (C)
    Groundnut
  • 67

    At which stage in this cycle can a man be infected?

    תְשׁוּבָה
    (B)
    4
  • 68
    Total salt content in blood is about
    תְשׁוּבָה
    (D)
    0.85 to 0.9%
  • 69
    The role of scolex in tapeworm is to
    תְשׁוּבָה
    (B)
    attachment to the host
  • 70
    Which of the following animals is cold blooded
    תְשׁוּבָה
    (B)
    Lizard
  • 71
    The energy released by 1 gram of glucose is
    תְשׁוּבָה
    (B)
    4 kcal
  • 72
    What is the function of trichocyst in paramecium
    תְשׁוּבָה
    (B)
    Defence
  • 73
    Man can contact tapeworm through
    תְשׁוּבָה
    (A)
    ingesting uncooked meat
  • 74
    An example of a radially symmetrical organisms is
    תְשׁוּבָה
    (B)
    Hydra
  • 75
    Maltose is combination of glucose and
    תְשׁוּבָה
    (A)
    glucose
  • 76
    The vitamin which is important in the formation of the retina pigment is
    תְשׁוּבָה
    (A)
    Vitamin A
  • 77
    In the egg of a bird, the embryo is located in the
    תְשׁוּבָה
    (B)
    Yolk
  • 78
    The greatest amount of energy would be obtained by the Oxidation of 100kg of
    תְשׁוּבָה
    (B)
    Butter
  • 79
    Ozone hole refers to
    תְשׁוּבָה
    (C)
    decrease in thickness of ozone layer in stratosphere
  • 80
    Accessory material in a chicken egg include the following except
    תְשׁוּבָה
    (D)
    Germinal disc
  • 81
    Swollen, bleeding gums are another common sign of which vitamin
    תְשׁוּבָה
    (C)
    Vitamin C
  • 82
    Double fertilisation is a unique features of
    תְשׁוּבָה
    (A)
    Angiosperms
  • 83
    The gland that is present close to Trachea
    תְשׁוּבָה
    (D)
    Thyroid
  • 84
    A distinguishing feature of mammals is the possession of
    תְשׁוּבָה
    (D)
    Hair
  • 85
    Examples of micronutrients include the following except
    תְשׁוּבָה
    (D)
    carbon