WAEC - Biology (1994)

• 1

  All animals are dependent on green plants because plants

  پاسخ دهید

  (E)

  manufacture food for animals
• 2

  The scientist who discovered the cell while examining a thin slice of cork under the microscope was

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  (A)

  Robert Hooke
• 3

  The two important physical processes involved in the absorption and transport of materials in plants are

  پاسخ دهید

  (D)

  osmosis and diffusion
• 4

  The process by which plants manufacture food from carbondioxide and water, using energy from the sun is
  termed

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  (B)

  photosynthesis
• 5

  The process in which insects undergo conspicuous changes in form and appearance during development
  is known as

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  (B)

  metamorphosis
• 6

  

  What is the foot labelled I adapted to?

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  (C)

  Swimming in water
• 7

  

  The foot labelled III is strong and has blunt claws
  on its digits, This implies that the bird

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  (D)

  uses the foot to scratch the soil
• 8

  

  The long and sharp claws in the font labelled ll show that the bird uses them to?

  پاسخ دهید

  (A)

  hold onto its prey
• 9

  Conventional method of sewage disposal involves all the following except defaecating

  پاسخ دهید

  (B)

  in open fields
• 10

  Which of the following actions is not an example of a simple reflex action?

  پاسخ دهید

  (D)

  Reading a book
• 11

  In which of the following is a cellulose cell wall present

  پاسخ دهید

  (C)

  spirogyra
• 12

  Which of the following organisms exists as a filament?

  پاسخ دهید

  (E)

  Spirogyra
• 13

  All the following can illustrate the dynamic nature of the ecosystem except

  پاسخ دهید

  (E)

  locomotion in organisms
• 14

  Which of the following measures does not ensure conservation?

  پاسخ دهید

  (E)

  Enclosing fishes in ponds where they will not be stolen
• 15

  Which of the following is not required for primary production to occur in plants?

  پاسخ دهید

  (B)

  Sugar
• 16

  Which of the following blood group(s) is/are the universal donor(s)

  پاسخ دهید

  (A)

  O
• 17

  The branch of science which deals with resemblances, origin and expression of biological variations is
  called

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  (D)

  genetics
• 18

  Which of the following can cause desert encroachment?

  پاسخ دهید

  (E)

  Overgrazing
• 19

  The morphological, physiological and behavioural characteristics which enable an organism to survive in
  its environment is called

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  (D)

  adaptation
• 20

  Which of the following performs the same function as the contractile vacuole of a unicellular organism?

  پاسخ دهید

  (A)

  Kidney
• 21

  Which of the following represents the correct order in a possible food chain?

  پاسخ دهید

  (D)

  Diatom -> crustacean -> fish -> man
• 22

  Which of the following relationships illustrates competition?

  پاسخ دهید

  (B)

  Goats and cows grazing on a small grass lawn
• 23

  

  Which of the following agents is responsible for the dispersal of the seed shown above?

  پاسخ دهید

  (C)

  Wind
• 24

  The structure used by fishes to detect the presence and movement of other animals
  by the vibration they produce is the

  پاسخ دهید

  (C)

  lateral line
• 25

  Muscles are attached to bones by means of

  پاسخ دهید

  (D)

  tendons
• 26

  The ability of the eye to alter the focal length of the lens, with regard to the distance of the object from
  the eye is known as

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  (D)

  accommodation
• 27

  What is the fate of the ovary of a flower after fertilization?

  پاسخ دهید

  (C)

  becomes the fruit
• 28

  

  The diagrams above represent a group of insects known to be

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  (A)

  colonial
• 29

  

  In their system of organisation, the diagram labelled II plays the role of a

  پاسخ دهید

  (B)

  soldier
• 30

  

  Which of the following determines a normal male offspring?

  پاسخ دهید

  (D)

  XY
• 31

  

  What is the theoretical probability that a normal male child will be born?

  پاسخ دهید

  (A)

  1\2
• 32

  Which of these is not part of the appendicular skeleton?

  پاسخ دهید

  (B)

  Vertebral column
• 33

  Which of the following factors does not control population growth?

  پاسخ دهید

  (C)

  Abundance of food
• 34

  The following conditions form the basis of competition in a habitat except

  پاسخ دهید

  (E)

  body structure
• 35

  The part of the ear which equalizes air pressure on either side of the eardrum is
  the

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  (C)

  Eustachian tube
• 36

  Mutation leads to evolution in that it

  پاسخ دهید

  (C)

  gives rise to new individuals which differs considerably from their parents
• 37

  The process whereby poisonous compounds are made harmless in the liver is called

  پاسخ دهید

  (D)

  detoxification
• 38

  The deficiency of calcium in a plant may result in

  پاسخ دهید

  (A)

  stunted growth and poor root development
• 39

  Which of the following is the least safe method of birth control? Using

  پاسخ دهید

  (E)

  the withdrawal method
• 40

  Which of the following does not imply attempt at conservation?

  پاسخ دهید

  (E)

  Retraining from the use of the natural resource
• 41

  The gradual, cumulative, adaptive and heritable changes in an organism over a long period of time resulting
  in emergence of new species is known as

  پاسخ دهید

  (E)

  organic evolution
• 42

  

  The structure that produces the energy required by the cell is labelled

  پاسخ دهید

  (B)

  II
• 43

  

  The structure labelled V is the

  پاسخ دهید

  (B)

  ribosome
• 44

  In which of the following organisms is the siphon found?

  پاسخ دهید

  (B)

  Pupa of mosquito
• 45

  Which of the following is not a pollution control measure?

  پاسخ دهید

  (E)

  Channelling sewage into streams
• 46

  Which pair of structures contributes to balance in mammals?

  پاسخ دهید

  (A)

  Utriculus and Sacculus
• 47

  Spermatogenesis and Oogenesis are both terms used to describe

  پاسخ دهید

  (E)

  gametogenesis
• 48

  Which of the following is not a continuous variation?

  پاسخ دهید

  (C)

  Ability to roll tongue
• 49

  which of the following is not a conservable natural resource?

  پاسخ دهید

  (B)

  Sunlight
• 50

  Which of the following plant diseases is indicated when grains of cereals are covered with a mass of
  spores?

  پاسخ دهید

  (A)

  Smut
• 51

  Which of the following structural features in animals does not affect control of body temperature?

  پاسخ دهید

  (D)

  Capillaries
• 52

  The control of water and salt requirements of the body in order to maintain a stable internal environment
  is known as

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  (E)

  homeostasis
• 53

  Which of the following is not a condition necessary for germination to occur in most seeds?

  پاسخ دهید

  (E)

  Soil fertility
• 54

  Which of the following structural features adapts Drosera (Sundew) to its carnivorous mode of nutrition?

  پاسخ دهید

  (B)

  Club-shaped glandular hairs on leaves
• 55

  Which of the following terms is not associated with finger prints?

  پاسخ دهید

  (C)

  Suture