Biology Exam Past Questions and Answers | JAMB, WAEC and NECO

Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.

• Question 1: The mammalian endocrine system is responsible for Options:
  A) transmitting impulse
  B) regulating body temperature
  C) regulating osmotic pressure of blood
  D) chemical co-ordination
  E) the manufacture of blood
  Show Answer
  The correct answer is D .
• Question 2:

  

  The correct evolutionary sequence of the organisms represented is

  Options:
  A) IV->II->III->I
  B) III->II->I->IV
  C) II->III->IV->I
  D) I->III=>II->IV
  Show Answer
  The correct answer is A .
• Question 3: During respiration, air circulates round plant tissues via the Options:
  A) lenticels
  B) stomata
  C) guard cells
  D) intercellular spaces
  Show Answer
  The correct answer is D .
• Question 4: In which of the following crosses will all the female offspring be colour blind? Options:
  A) colour blind mother x colour blind father
  B) colour blind mother x normal father
  C) carrier mother x colour blind father
  D) carrier mother x normal father
  Show Answer
  The correct answer is A .
• Question 5:

  

  Which organism in the food-web illustrated above is an omnivore?

  Options:
  A) Weevils
  B) Rat
  C) Hawk
  D) Prayer mantis
  Show Answer
  The correct answer is B .
• Question 6: When a person with blood belonging to group O has lost much blood due to an accident, he can be given blood from persons who have blood belonging to Options:
  A) group O only
  B) group A only
  C) group AB only
  D) groups A and O
  E) groups AB and O
  Show Answer
  The correct answer is A .
• Question 7: Adaptive features of plants to desert conditions include Options:
  A) thick barks, succulent stems and sunken stomata
  B) thin barks, succulent stems and sunken stomata
  C) thin barks, air floats on stems and sunken stomata
  D) air spaces in tissues, adventitious roots and thick barks
  Show Answer
  The correct answer is A .
• Question 8: Which of the following is caused by Treponema palladium? Options:
  A) Gonorrhea
  B) Leprosy
  C) Tuberculosis
  D) Syphilis
  Show Answer
  The correct answer is D .
• Question 9: insectivorous plants traps and kill their prey to derive Options:
  A) phosphorous
  B) calcium
  C) nitrogen
  D) zinc
  Show Answer
  The correct answer is C .
• Question 10: A tapeworm has no alimentary canal because Options:
  A) It is autotrophic
  B) It does not feed
  C) It has no enzymes
  D) Its body absorbs digested food
  E) The suckers on the scolex suck blood
  Show Answer
  The correct answer is D .