JAMB - Biology (2024)

  • 1
    The major building block of an organism is...
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    (B)
    Carbon
  • 2
    The process by which plants loss water to the atmosphere is
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    (A)
    transpiration
  • 3

    Use the diagram above to answer the question that follows

    The organism belongs to kingdom

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    (A)
    monera
  • 4
    The formation of cilia and flagella in living cells is carried out with the help of
    Відповідь
    (C)
    centriole
  • 5
    The food nutrient with the highest energy value is
    Відповідь
    (C)
    lipid
  • 6

     I

    6 X  +  6 H\(_2\)O  → C\(_6\)H\(_{12}\)O\(_6\) + 6O\(_2\) 

     III chlorophyll  II IV

    Use the diagram above to answer question that follows

    The part labelled I is

    Відповідь
    (C)
    sunlight
  • 7
    Bilateral symmetry,cylindrical bodies and double openings are characteristic features of
    Відповідь
    (A)
    nematodes
  • 8
    Mouth part adapted for piercing and sucking is found in
    Відповідь
    (C)
    mosquito
  • 9
    The web-feet of frogs and toads is basically for 
    Відповідь
    (C)
    swimming
  • 10
    The part of the inner ear that is responsible for hearing is
    Відповідь
    (B)
    cochlea
  • 11
    The changes of living organisms over generation is referred to as
    Відповідь
    (B)
    organic evolution
  • 12
    In a cross involving a heterozygous red flower plant (Rr) and a white flowered plant (rr). What is the probability that the offspring will be Rr?
    Відповідь
    (A)
    \(\frac{1}{2}\)
  • 13
    Inbreeding is highly discouraged in humans because it may  
    Відповідь
    (D)
    lead to outbreak of hereditary diseases
  • 14
    One main feature of trees in the savanna habitat is the possession of
    Відповідь
    (D)
    thick, corky bark
  • 15

    Use the diagram above to answer the question that follows

    The zone labelled II is called

    Відповідь
    (C)
    littoral zone
  • 16
    Which of the following structures enables the exchange of gases in insects?
    Відповідь
    (B)
    tracheae
  • 17
    The total number of ATP produced during glycolysis is
    Відповідь
    (C)
    4 molecules
  • 18

    Use the diagram above to answer the question that follows

    The diagram above is

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    (C)
    urinary system
  • 19
    Bile is a greenish alkaline liquid which is stored in the
    Відповідь
    (A)
    gall bladder
  • 20
    A medium texture soil with high organic matter is
    Відповідь
    (B)
    loamy
  • 21
    One of the following is an example of discontinuous variation
    Відповідь
    (B)
    blood group
  • 22
    The type of variation where there are no remarkable differences between the two extreme individuals is called
    Відповідь
    (A)
    continuous variation
  • 23
    The transmission of diseases through contamination of food is an economic importance of
    Відповідь
    (B)
    cockroaches
  • 24
    Bryophyte is an intermediate group between higher algae and 
    Відповідь
    (B)
    pteridophyte
  • 25
    Ecological succession can result from 
    Відповідь
    (A)
    newly formed habitat
  • 26
    The first organism evolved from which of the following habitat?
    Відповідь
    (C)
    aquatic
  • 27
    Which of these pair of substances must be present for a seed to germinate in a laboratory set-up?
    Відповідь
    (B)
    heat and water
  • 28
    A fruit formed from one flower with many carpels is referred to as
    Відповідь
    (C)
    aggregate
  • 29
    Which of the following plant is found in the ground layer of a tropical rainforest in Nigeria?
    Відповідь
    (B)
    liverwort
  • 30

    Use the diagram above to answer the question that follows

    The endocrine gland that is located in the part labelled I is 

    Відповідь
    (D)
    pituitary
  • 31
    Which of the following processes takes place in the carbon cycle? 
    Відповідь
    (C)
    combustion
  • 32
    Which of the following plants shows hypogeal germination?
    Відповідь
    (C)
    maize
  • 33
    In vascular plants, xylem tissue is responsible for
    Відповідь
    (A)
    transportation of water
  • 34
    The causative agent of tuberculosis is
    Відповідь
    (B)
    bacteria
  • 35
    Which of these is a respiratory organ in mammals?
    Відповідь
    (D)
    lungs
  • 36
    Which of the Nigeria states is Northern guinea savanna located?
    Відповідь
    (D)
    Kwara
  • 37
    Darwin's theory of evolution is based on the principle of 
    Відповідь
    (B)
    natural selection
  • 38
    Similar structures that are modified to work in different ways in different organisms are referred to as
    Відповідь
    (A)
    homologous structures
  • 39
    One of the ways of controlling Schistosomiasis is by 
    Відповідь
    (A)
    destroying water snails and water weeds
  • 40
    The central nervous system comprises of
    Відповідь
    (B)
    brain and spinal cord
  • 41

    Use the diagram above to answer the question that follows

    The organelle that shows the organism has plant characteristics is

    Відповідь
    (C)
    III
  • 42
    Reproduction in paramecium is by
    Відповідь
    (A)
    binary fission
  • 43
    A community with a population of two million three hundred and ten thousand people living in an area of two thousand three hundred and ten square kilometres has a population density of 
    Відповідь
    (D)
    1000
  • 44
    A succession that occurs in an area where there are no pre-existing community is called
    Відповідь
    (B)
    primary succession
  • 45
    Which of the following processes releases oxygen to the atmosphere?
    Відповідь
    (D)
    photosynthesis
  • 46
    The depressed side of paramecium which is lined with cilia leads to a tube-like structure called
    Відповідь
    (C)
    gullet
  • 47
    The rhizoid of liverwort is
    Відповідь
    (A)
    unicellular and unbranched
  • 48
    In glycolysis, glucose is broken down through series of reactions in the presence of enzyme and absence of oxygen to produce
    Відповідь
    (C)
    pyruvic acid + ATP
  • 49
    Gaseous exchange takes place through the plasma membrane in
    Відповідь
    (B)
    paramecium
  • 50
    One of the characteristics of secondary succession is that it
    Відповідь
    (C)
    starts on already colonized surface
  • 51
    One of the components of xylem tissue is
    Відповідь
    (B)
    tracheid
  • 52
    Which of the following statements explains the theory of natural selection?
    Відповідь
    (C)
    The weaker offspring are eliminated
  • 53
    The chemical and physical composition of soil is an example of
    Відповідь
    (C)
    Edaphic factor
  • 54
    The abiotic factor that affect the population growth of an organism is
    Відповідь
    (B)
    rainfall
  • 55
    The cells responsible for transmitting messages to the effectors are
    Відповідь
    (A)
    motor neurons
  • 56
    The oxygen transported to all parts of the body during blood circulation is used for the
    Відповідь
    (C)
    release of energy from food
  • 57
    After fertilization in plants, the zygote develops into
    Відповідь
    (B)
    an embryo
  • 58

    Use the diagram above to answer the question that follows

    The organ is responsible for

    Відповідь
    (B)
    osmoregulation
  • 59
    Which of the following evidences of evolution employs the use of radio-isotope dating?
    Відповідь
    (C)
    Fossil records
  • 60
    Pentadactyl forelimb of vertebrate function due to differences in environment is
    Відповідь
    (B)
    physiological evidence
  • 61
    The feeding relationship between ruminants and the bacteria in their digestive tract is
    Відповідь
    (C)
    symbiotic
  • 62
    A photosynthetic carnivorous plant which feeds on insects is
    Відповідь
    (D)
    insectivorous
  • 63
    Xerophytes are mostly found in the
    Відповідь
    (A)
    arid land
  • 64
    In which zone of the marine habitat does the organisms require adaptation for attachment?
    Відповідь
    (C)
    intertidal
  • 65
    Energy transfer in plants and animals are in the form of
    Відповідь
    (B)
    ATP
  • 66
    The pigment carrying oxygen in the blood is
    Відповідь
    (B)
    haemoglobin
  • 67
    Production of healthier offspring, viable seeds and formation of new varieties are good characteristics
    Відповідь
    (B)
    cross pollination
  • 68
    One of the following is a courtship behaviour in animals
    Відповідь
    (B)
    display
  • 69
    In blood transfusion, a patient with group AB receives
    Відповідь
    (D)
    Group O, A, B, AB
  • 70
    A trait that is always expressed during crossing of hereditary characteristics is
    Відповідь
    (B)
    dominant trait
  • 71
    Blood group AB is considered as universal recipient because they can receive blood from groups
    Відповідь
    (D)
    A, B, AB and O
  • 72
    An example of organism that exhibits counter-shading to escape from its predator is 
    Відповідь
    (C)
    fish
  • 73
    A form of adaptive colouration that helps animals to remain unnoticed is
    Відповідь
    (C)
    countershading
  • 74

    Use the diagram above to answer the question that follows

    The part labelled III is

    Відповідь
    (D)
    thorax
  • 75
    Lamarck's theory of evolution is based on the idea of
    Відповідь
    (A)
    the inheritance of acquired traits
  • 76
    How many chromosomes will be present in a gamete if the somatic cell has 8 chromosomes?
    Відповідь
    (C)
    4
  • 77

    Use the diagram above to answer the question that follows

    What is the genotypic ratio of the offspring produced in F\(_1\) generation?

    Відповідь
    (B)
    1:2:1
  • 78
    Body temperature, thirst and hunger are regulated by
    Відповідь
    (B)
    hypothalamus
  • 79
    Cell division that involves the growth, development, repairs and replacement of worn out tissues is
    Відповідь
    (B)
    mitosis
  • 80

    Use the diagram to answer the question that follows

    The flower of plants belongs to part labelled

    Відповідь
    (C)
    III
  • 81
    The bacteria in the large intestine of man synthesizes
    Відповідь
    (C)
    amino acids and vitamins
  • 82
    The main excretory product of earthworm is
    Відповідь
    (C)
    urea
  • 83
    Which of the following conditions causes aestivation in animals?
    Відповідь
    (B)
    Drought
  • 84
    An instrument used for measuring the intensity of light
    Відповідь
    (B)
    photometer
  • 85
    A common component of blood and lymph is
    Відповідь
    (D)
    white blood cell
  • 86
    The part of the kidney where the selective reabsorption takes place is
    Відповідь
    (C)
    Henle's loop
  • 87
    The schlerenchyma tissues consist of
    Відповідь
    (A)
    dead cell
  • 88
    The number of vertebrae in the human vertebral column is
    Відповідь
    (B)
    33
  • 89
    The organisms that adopt swarming as an adaptation to overcome overcrowding are
    Відповідь
    (D)
    termites
  • 90
    Loamy soil is characterized by
    Відповідь
    (D)
    high humus and moderate porosity
  • 91
    The cone in the retina of eye is an example of
    Відповідь
    (A)
    cell
  • 92
    The part of the flower that develops into seed is
    Відповідь
    (A)
    ovule
  • 93
    Which of these is a medium of transportation in plants?
    Відповідь
    (A)
    cell sap
  • 94
    Which of the following is a viral disease?
    Відповідь
    (B)
    Measles
  • 95

    Use the diagram above to answer the question that follows

    The experiment is set up to determine the presence of

    Відповідь
    (B)
    starch
  • 96
    The type of circulatory system found in arthropods and some molluscs is
    Відповідь
    (A)
    open circulatory system
  • 97
    In plants, the main excretory product produced during metabolism is
    Відповідь
    (C)
    carbon(iv)oxide
  • 98

    Use the diagram above to answer the questions that follow

    The part labelled I is

    Відповідь
    (A)
    oviduct
  • 99
    Comparative anatomy to study evidence for evolution depends on
    Відповідь
    (D)
    five fingered
  • 100
    Iron is an essential nutrient in plants because it 
    Відповідь
    (A)
    aids in the formation of chlorophyll and proteins
  • 101
    The endocrine gland that is called the master gland is the
    Відповідь
    (C)
    pituitary gland
  • 102
    Which of the following characteristics is possessed by both living and non-living things?
    Відповідь
    (C)
    Both have weight
  • 103
    Infectious diseases are caused by
    Відповідь
    (A)
    bacteria
  • 104
    The cell organelle responsible for the synthesis of protein is the 
    Відповідь
    (D)
    ribosome
  • 105

    Use the diagram above to answer the question that follows

    The diagram demonstrates

    Відповідь
    (B)
    phototropism
  • 106
    Which of the following factors can lead to overcrowding?
    Відповідь
    (C)
    High natality
  • 107
    The common examples of trees found in the desert are
    Відповідь
    (B)
    baobab and cacti
  • 108
    If the F1 generation allows for self-pollination, what will be the genotypic ratio of the offspring?
    Відповідь
    (A)
    1 : 2 : 1
  • 109
    The resemblance of an organism to another organism as means of enhancing it's chances of survival in its habitat is known as
    Відповідь
    (C)
    mimicry
  • 110
    The urinary tubules opens into a proximal convoluted tubule coils to form distal by making a
    Відповідь
    (C)
    U- shaped loop
  • 111
    A discontinuous morphological variation often used in crime detection is the
    Відповідь
    (C)
    finger prints
  • 112
    The component that serves as major buffer in blood is
    Відповідь
    (A)
    plasma
  • 113
    DNA carries the genetic information and are generally found in the 
    Відповідь
    (B)
    chromosomes
  • 114

    Use the diagram above to answer the question that follows:

    Recombination of genes at fertilization is represented by the part labelled

    Відповідь
    (C)
    III
  • 115
    Hemophilia in humans is controlled by the 
    Відповідь
    (D)
    recessive gene