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Biology WAEC Past Questions

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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376
Which of the following is the correct route of transmission of impulses along a reflex arc?
  • A. Receptor → sensory neurone → synapse → intermediate neurone → synapse → motor neurone → effector
  • B. Receptor → motor neutron e synapse → intermediate neurone → synapse → sensory neurone effector
  • C. Receptor → synapse → sensory neurone → intermediate neurone → synapse → effector → motor neurone
  • D. Effector → motor neurone → synapse → sensory neurone → synapse → intermediate neurone → receptor
  • E. Effector → intermediate neurone → synapse → motor neurone → synapse → sensory neurone → receptor.
View Answer & Discuss (2) WAEC 1995
377

Which of the following statements is false?

  • A. Human sense of smell is easily fatigued
  • B. The skin can perceive the sensations of touch, pain, pressure and temperature
  • C. Taste buds and olfactory cells are active when wet as well as when dry
  • D. Sensory nerve endings receive stimuli and send to the central nervous system
  • E. Senses of smell and taste can be weakened by catarrh or blocked nose.
View Answer & Discuss (5) WAEC 1995
378

The following are directly involved in transmission of sound waves to the brain except

  • A. eardrum
  • B. auditory meatus
  • C. auditory ossicles
  • D. eustachian tube
  • E. cochlea
View Answer & Discuss (2) WAEC 1995
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379
The term syncarpous is used to describe a flower when the carpels are
  • A. many and fused
  • B. two only
  • C. two and separate
  • D. many and free
  • E. lying at different parts of a flower
View Answer & Discuss (3) WAEC 1995
380
Which of the following structures are characteristics of insect pollinated flowers?
  • A. Dull coloured flowers with no nectar
  • B. Very light numerous and pendulous stamen
  • C. Brightly coloured petals, scent nectar
  • D. Flowers are usually small and inconspicuous
  • E. Stigma are large, feathery and hang outside the flower
View Answer & Discuss WAEC 1995
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