JAMB - Biology (2022)

  • 1
    sources of air pollutants are?
    إجابة
    (C)
    sulphur dioxide, vehicle exhausts, and aerosols
  • 2
    The body of a snail is divided into head?
    إجابة
    (D)
    visceral mass and foot
  • 3
    An adaptation for defense in animals is?
    إجابة
    (C)
    spines in porcupine fish
  • 4
    The movement of Euglena towards the source of light is a?
    إجابة
    (B)
    tactic movement
  • 5
    During mitosis, the stage at which chromosomes lines up around the equator is?
    إجابة
    (B)
    metasphase
  • 6
    The waste product of insects is?
    إجابة
    (A)
    uric acid
  • 7
    Succession that occurs on an abandoned farm land is?
    إجابة
    (B)
    secondary
  • 8
    In Nigeria, Southern Guinea Savanna is found in?
    إجابة
    (B)
    Kogi and Kwara
  • 9
    Which of the following is associated with the dark stage of photosynthesis?
    إجابة
    (A)
    Assimilation of Carbon(IV)oxide
  • 10
    The part of mammalian skin that excretes metabolic wastes is?
    إجابة
    (A)
    sweat gland
  • 11
    The feeding relationship that exists between a tick and a cow is?
    إجابة
    (A)
    parasitism
  • 12
    The type of fruit that is formed from a single flower having several free carpels is?
    إجابة
    (B)
    aggregate fruit
  • 13
    The part that performs urinogenital function in the male reproductive system is the?
    إجابة
    (C)
    urethra
  • 14
    The components of blood in man are?
    إجابة
    (D)
    red blood cells, white blood cells, plasma and platelets
  • 15
    The development of big muscles by a wrestler is an example of?
    إجابة
    (A)
    acquired characteristics
  • 16
    Lack of nucleus is a feature in?
    إجابة
    (C)
    erythrocyte
  • 17
    A universal recipient of blood belongs to blood group?
    إجابة
    (B)
    AB
  • 18
    The internal structure of a leaf that has larger air space is?
    إجابة
    (C)
    spongy mesophyll
  • 19
    An example of arboreal animal is?
    إجابة
    (A)
    squirrels
  • 20
    The movement of sugars from the leaf to other parts of plant is?
    إجابة
    (D)
    translocation
  • 21
    Gaseous exchange in annelids is more advanced and efficient compared to flatworms because?
    إجابة
    (B)
    they have well developed respiratory structures
  • 22
    The structure that joins the two strands of a chromosome together is the?
    إجابة
    (C)
    centromere
  • 23
    When a colour blind woman marries a normal man, what is the probability of their son being colour blind?
    إجابة
    (B)
    100%
  • 24
    The correct pathway for blood flow from the heart to the tissues of mammals is?
    إجابة
    (B)
    heart-artery-arteriole-tissues
  • 25
    Tall trees with buttress roots and evergreen leaves are characteristics features of?
    إجابة
    (C)
    tropical rain forests
  • 26
    The genes crossing over occurs during?
    إجابة
    (D)
    meiosis
  • 27
    In genetic counseling, a man with hemoglobin  formation HbA HbS is most preferred to marry a woman of?
    إجابة
    (A)
    HbA HbA
  • 28
    An ecological instrument used to measure wind direction is? 
    إجابة
    (B)
    wind vane
  • 29
    The growth of mucor on a piece of bread is?
    إجابة
    (D)
    saprophytism
  • 30
    Conversion of atmosphere carbon into chemical bond energy occurs during the process of?
    إجابة
    (B)
    photosynthesis
  • 31
    The display of male agama lizard is to?
    إجابة
    (C)
    attract female for mate
  • 32
    The end product of the digestion of carbohydrate is?
    إجابة
    (C)
    glucose
  • 33
    The sum total of all observable features of an organism is?
    إجابة
    (A)
    phenotype
  • 34
    Pentadactyl plan of the fore limbs of frog, bird, horse, whale and man is a proof of?
    إجابة
    (B)
    evolution
  • 35
    The under secretion of thyroxine in children results in?
    إجابة
    (D)
    cretinism
  • 36
    Petaloid sepals serve the function of?
    إجابة
    (B)
    attracting pollinating agents to a flower
  • 37
    The system of classification in which there are seven hierarchies from kingdom to species was introduced by?
    إجابة
    (B)
    Carolus Linneus
  • 38
    An adaptive feature of camel to the desert is?
    إجابة
    (D)
    ability to tolerate high degree of dehydration
  • 39

    The part labelled II is?

    إجابة
    (B)
    cytoplasmic connections
  • 40

    The organism above is?

    إجابة
    (C)
    volvox