WAEC - Biology (1997)

  • 1
    Which of the following organism possesses both plant and animal characteristics?
    Atbilde
    (C)
    Euglene
  • 2
    The structure represented in the diagram above is
    Atbilde
    (C)
    a filament
  • 3
    The part labelled I in the diagram is the
    Atbilde
    (B)
    chloroplast
  • 4
    What is the function of the part labelled II in the diagram? It
    Atbilde
    (D)
    suspends the nucleus
  • 5
    Which of the following organelles helps to remove excess water
    from cells?
    Atbilde
    (C)
    Contractile vacuole
  • 6
    Which of the following processes occurs by diffusion?
    Atbilde
    (D)
    Exchange of nutrients between a mother and the foetus
  • 7
    Which of the following is a product of brewing when yeast is used as a fermenting agent?
    Atbilde
    (D)
    Ethanol
  • 8
    Which of the following hind limb bones is equivalent to the humerus of the forelimb?
    Atbilde
    (E)
    Femur
  • 9
    Clotting of blood is a function of
    Atbilde
    (B)
    vitamin K
  • 10
    Which of the following structures is associated with respiration in insects?
    Atbilde
    (B)
    Spiracle
  • 11
    Which of the labelled parts is made up of dead cells?
    Atbilde
    (D)
    II and III
  • 12
    The part labelled I in the diagram is called
    Atbilde
    (C)
    Ienticel
  • 13
    The malpighian tubule plays a major role in
    Atbilde
    (E)
    excretion
  • 14
    Filtered blood from the kidney is carried back to the circulatory system
    through the
    Atbilde
    (C)
    renal vein
  • 15
    The early removal of the pituary gland in animals may cause
    Atbilde
    (A)
    ceasation of growth
  • 16
    A high concentration of auxin in the root will
    Atbilde
    (A)
    inhibit growth
  • 17
    The part labelled II in the diagram is the
    Atbilde
    (B)
    grey matter
  • 18
    Which of the labelled parts is filled with cerebrospinal fluid?
    Atbilde
    (E)
    I only
  • 19
    Which of the following is an example of a reflex action?
    Atbilde
    (A)
    Sneezing
  • 20
    During mating, the male toad holds the female with its?
    Atbilde
    (D)
    nuptial pad
  • 21

    The diagram above represents a?

    Atbilde
    (E)
    germinating pollen grain
  • 22
    The part labelled I in the diagram is the
    Atbilde
    (D)
    endosperm
  • 23
    Which of the following fruits is a schizocarp?
    Atbilde
    (B)
    Desmodium
  • 24
    Which of the following is not a characteristic of wind dispersed fruits and seeds?
    Atbilde
    (D)
    Stickyjuice
  • 25
    Which of the following structures transports water from the roots to the leaves?
    Atbilde
    (D)
    Xylem
  • 26

    The eye defect represented in the diagram is?

    Atbilde
    (A)
    myopia
  • 27

     

    The above defect is corrected by using a?

    Atbilde
    (A)
    concave lens
  • 28
    Which of the following organisms is viviparous?
    Atbilde
    (C)
    Sheep
  • 29
    The reduction of nitrates to gaseous nitrogen is
    Atbilde
    (E)
    denitrification
  • 30
    The association between protozoa and termites is an example of
    Atbilde
    (A)
    symbiosis
  • 31
    Flatworms are classified as
    Atbilde
    (A)
    Platyhelminthes
  • 32
    The essential parts of a flower are
    Atbilde
    (D)
    androecium and gynoecium
  • 33
    Which of the following parts of the tooth is first damaged during dental decay?
    Atbilde
    (B)
    Enamel
  • 34
    The set- up above is used to demonstrate
    Atbilde
    (D)
    fermentation
  • 35
    What will be the colour of the solution in the test tube labelled II at
    the end of the experiment?
    Atbilde
    (C)
    Milky
  • 36
    Which gas will pass into the test tube labelled II from I?
    Atbilde
    (B)
    Carbon dioxide
  • 37
    In which of these forms is carbohydrate stored in yam?
    Atbilde
    (C)
    Starch
  • 38
    Northern Guinea savanna is associated with
    Atbilde
    (D)
    abundant grasses
  • 39
    Which of the following activities is not necessary in population sampling?
    Atbilde
    (E)
    Feeding the organisms
  • 40
    Which of the following is an abiotic factor?
    Atbilde
    (B)
    Rainfall
  • 41
    The maximum and minimum thermometer is used to measure
    Atbilde
    (B)
    highest and lowest temperature of the day
  • 42
    Which of the following organisms will have the highest biomass?
    Atbilde
    (D)
    Phytoplankton
  • 43
    Which of the following is the correct sequence for energy transfer and nutrient cycling among living things
    in an ecosystem?
    Atbilde
    (D)
    Producers → consumers → decomposers
  • 44
    Which of the following factors does not affect the distribution of organisms in an aquatic habitat?
    Atbilde
    (C)
    Humidity
  • 45
    A habitat with low rainfall, very low humidity, exposed soil with little plant cover, few trees and shrubs is
    likely to be
    Atbilde
    (C)
    a desert
  • 46
    Which of the following factors may not cause over-crowding?
    Atbilde
    (C)
    Reduced birth rate
  • 47
    Crops grown mainly to feed animals are called
    Atbilde
    (A)
    forage crops
  • 48
    The farming practice by which an exhausted farm land is left for a number of years before cultivation is
    known as
    Atbilde
    (D)
    bush fallowing
  • 49
    In palm-wine, yeast acts as a
    Atbilde
    (D)
    catalyst
  • 50
    Which of the following farm practices can cause loss of soil fertility?
    Atbilde
    (E)
    intensive cropping
  • 51
    One of the use of variation is in
    Atbilde
    (B)
    determining paternity
  • 52
    In which of the underlisted blood groupings is agglutination likely to occur during transfusion?
    Atbilde
    (D)
    IV
  • 53
    Which of the following is not a morphological variation
    Atbilde
    (E)
    Tongue rolling
  • 54
    In man haemophilia is recessive and sex linked, The

    probability of carrier mother and a normal father having a haemophilic male is
    Atbilde
    (B)
    1/8
  • 55
    In which of the following is the knowledge of genetics not applicable?
    Atbilde
    (B)
    Preservation of seeds