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Biology Past Questions and Answers

Biology Questions

Question 426:
A young plant showing yellow leaves is likely NOT to be deficient in?
  • A Calcium
  • B Magnesium
  • C Potassium
  • D Boron
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Question 427:
Germination which results in the cotyledons being brought above ground is called
  • A Hypocotyl
  • B Epicotyl
  • C Epigeal
  • D Hypogeal
  • E Plumule
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Question 428:
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
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Question 429:
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
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Question 430:
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
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