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346

The mammalian endocrine system is responsible for?

  • A. transmitting impulse
  • B. regulating body temperature
  • C. regulating osmotic pressure of blood
  • D. chemical co-ordination
  • E. the manufacture of blood
View Answer & Discuss (4) JAMB 1985
347

An old man is likely to be long-sighted because age affects the

  • A. optic nerves
  • B. retina
  • C. ciliary muscles
  • D. cornea
  • E. aqueous humour
View Answer & Discuss (41) JAMB 1985
348
In mammals, stimulus is transferred from the receptor muscles to the central nervous system through the
  • A. motor neurons
  • B. effector muscles
  • C. dendrites
  • D. sensory neurons
  • E. synapses
View Answer & Discuss (3) JAMB 1985
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349
A relationship between living organisms which is of mutual benefit is
  • A. parasitism
  • B. saprophtism
  • C. ecosystem
  • D. symbiosis
  • E. commensalism
View Answer & Discuss JAMB 1985
350
Which of the following food chains is in the correct sequence?
  • A. Weeds → Tadpole → Beetles → Fish → Man
  • B. Weeds → Tadpole → Fish → Beetles → Man
  • C. Tadpole → Beetles →Weeds → Man → Fish
  • D. Man → Fish → Beetles → Tadpole → Weeds
  • E. Fish → Beetles → Weeds → Man → Tadpoles
View Answer & Discuss (17) JAMB 1985
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