Jamb Biology Past Questions
Question 2346
Irish potato is a
- A. bulb
- B. tap root
- C. rhizome
- D. root tuber
- E. stem tuber
Question 2347
Which of the following food chains is in the correct sequence?
- A. Weeds â Tadpole â Beetles â Fish â Man
- B. Weeds â Tadpole â Fish â Beetles â Man
- C. Tadpole â Beetles âWeeds â Man â Fish
- D. Man â Fish â Beetles â Tadpole â Weeds
- E. Fish â Beetles â Weeds â Man â Tadpoles
Question 2348
A relationship between living organisms which is of mutual benefit is
- A. parasitism
- B. saprophtism
- C. ecosystem
- D. symbiosis
- E. commensalism
Question 2349
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
Question 2350
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
