JAMB - Biology (2008)

• 1

  In terms of the number of individuals, which of the following taxa is most inclusive?

  回答

  (C)

  class
• 2

  A characteristic that can possibly be shared by both living and non living organisms is

  回答

  (D)

  increase in size
• 3

  The cell of an onion bulb can be differentiated from a cheek cell by the presence of

  回答

  (C)

  cell wall
• 4

  In plants, the structure that performs a similar function with the testis in mammals is the

  回答

  (C)

  anther
• 5

  The bacteria type that are arranged in chains are the

  回答

  (C)

  streptococci
• 6

  The most abundant group of organisms in the animal kingdom is

  回答

  (D)

  insecta
• 7

  Radial symmetry is a feature common to

  回答

  (C)

  coelenterates
• 8

  Which of the following is used mainly for balancing in fish?

  回答

  (D)

  the dorsal fin
• 9

  The beak of a duck is structurally adapted for

  回答

  (A)

  scooping and sieving food
• 10

  The most important characteristic that makes reptiles to conquer terrestrial habitats is the possession of

  回答

  (D)

  amniotic egg
• 11

  In a dicotyledonous stem, the zone between the epidermis and the pericycle is the

  回答

  (A)

  cortex
• 12

  The order of passage of food in the digestive system is?

  回答

  (A)

  ileum → caecum → large intestine → rectum
• 13

  insectivorous plants traps and kill their prey to derive

  回答

  (C)

  nitrogen
• 14

  In the alimentary system of a bird, the function of teeth is carried out by the

  回答

  (C)

  gizzard
• 15

  What will happen when two equal-sized pieces of unripe pawpaw labeled X and Y are dropped into equal volumes of concentrated salt solution and distilled water respectively?

  回答

  (C)

  pawpaw Y will become turgid
• 16

  Exhaled air differs from inhaled air in that it

  回答

  (D)

  usually has more water vapour
• 17

  In the mammalian kidney, the Bowman''s capsules is located in the

  回答

  (C)

  cortex
• 18

  A plant parenchyma cell also acts as a supporting tissue when it

  回答

  (C)

  becomes turgid
• 19

  During ovulation, an egg is released from the

  回答

  (C)

  graafian follicle
• 20

  The transmission of impulses along a nerve fibre is characterized by

  回答

  (B)

  electrical and ionic changes
• 21

  The major consequences of bush burning in an ecosystem is

  回答

  (B)

  the loss of biological diversity
• 22

  Which of the following associations is an example of mutualism

  回答

  (A)

  hydra viridis and zoochlorellae
• 23

  In a typical freshwater habitat, the edge of the stream or pond constitutes the

  回答

  (C)

  littoral zone
• 24

  The main ecological problem facing intertidal organisms is

  回答

  (A)

  desiccation
• 25

  Stomata of some plants are sunken and protected by hairs. These are features of

  回答

  (D)

  xerophytes
• 26

  An ecological factor that will have the most limiting effects on the abundance of phytoplankton in a turbid pond is

  回答

  (C)

  light
• 27

  In an experiment to determine the percentage of air in a soil sample, the following readings were recorded:
  
  volume of water in measuring cylinder = 500 cm3
  
  volume of soil added to water = 350 cm3
  
  volume of water and soil after stirring = 800 cm3
  
  the percentage of air in the soil sample is

  回答

  (C)

  14.28%
• 28

  A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is likely to have contacted

  回答

  (A)

  schistosomiasis
• 29

  The easiest way to establish the level of pollution in a local stream is to measure the level of

  回答

  (A)

  oxygen
• 30

  The Rhesus factor of blood was first identified in a category of

  回答

  (A)

  monkeys
• 31

  Genetically modified food products have not become universally accepted because

  回答

  (C)

  their effects on human consumers is not yet fully understood
• 32

  A major adaptive feature of endoparasites is the

  回答

  (A)

  loss of the organ of movement
• 33

  The ability of a chameleon to change its colour is an adaptive feature for

  回答

  (B)

  defence
• 34

  Which of the following is the most advanced evolutionary development in plants?

  回答

  (B)

  development of flowers
• 35

  Which of the following is a major cause of variation among organisms?

  回答

  (C)

  Sexual reproduction
• 36

  

  Use the diagram above to answer this question. Which of the organisms is characterised by the possession of a chitinous exoskeleton?

  回答

  (A)

  l
• 37

  

  Use the diagram above to answer this question.The type of reproduction illustrated in IV is

  回答

  (D)

  budding
• 38

  

  Use the diagram above to answer this question.The vessel that carries blood from l to ll is the

  回答

  (A)

  pulmonary artery
• 39

  

  Use the diagram above to answer this question.Water reabsorption takes place in

  回答

  (B)

  lll and lV
• 40

  

  Use the diagram above to answer this question. From the graph above, it can be appropriately deduced that?

  回答

  (B)

  the body temperature in l is independent of external temperature
• 41

  

  Use the diagram above to answer this question. The animal represented by l is a

  回答

  (B)

  homoiotherm
• 42

  

  In the diagram, the illustration is a typical example of a plant pollinated by

  回答

  (A)

  wind
• 43

  

  In the diagram, the part labelled I represents the

  回答

  (B)

  lag phase
• 44

  

  In the diagram, the part labelled IV indicated that the yeast population has

  回答

  (A)

  reached its maximum size
• 45

  

  In the diagram, if species i, ii and iii interact in a community, which of the following statement is true?

  回答

  (C)

  the population of species I has become extinct