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 1071: A dilute solution of phenylthiocarbamide tastes bitter to some people and is tasteless to others. This is an example of Options:
  A) taste bud variation
  B) discontinuous variation
  C) morphological variation
  D) continuous variation
  Show Answer
  The correct answer is B .
• Question 1072: The path followed by air as it passes through the lungs in mammals is Options:
  A) bronchi ⇢ trachea ⇢ alveoli ⇢ bronchioles
  B) bronchioles ⇢ alveoli ⇢ bronchi ⇢ trachea
  C) trachea ⇢ bronchi ⇢ bronchioles ⇢ alveoli
  D) trachea ⇢ bronchioles ⇢ bronchi ⇢alveoli
  Show Answer
  The correct answer is C .
• Question 1073: The hypha of Rhizopus is said to be non septate because it Options:
  A) does not contain chlorophyll
  B) has no cross walls
  C) is vacuolated
  D) stores oil globules
  Show Answer
  The correct answer is B .
• Question 1074: Which of the following diseases can be contracted in areas with fast flowing rivers? Options:
  A) Schistosomiasis
  B) Elephantiasis
  C) Syphilis
  D) Onchoceriasis
  Show Answer
  The correct answer is D .
• Question 1075: Which of the following choices correctly describes the composition of the cell membrane? Options:
  A) contains only lipids
  B) contains lipids and protein
  C) contains lipids and cytosol
  D) contains only proteins
  Show Answer
  The correct answer is B .
• Question 1076:

  Which of the following is an example of conserving resources in an ecosystem

  Options:
  A) Excessive use of chemical fertilizers in agriculture
  B) Introducing invasive species to an ecosystem
  C) Implementing sustainable fishing practices
  D) Cutting down trees for timber production
  Show Answer
  The correct answer is C .
• Question 1077: The bright colours of the comb and feathers in the peacock are for Options:
  A) sex differenciation
  B) beauty
  C) courtship
  D) defence
  Show Answer
  The correct answer is C .
• Question 1078: Nervous control differs from hormonal control in that the former Options:
  A) involves only chemical transmision
  B) is a lower process
  C) produces short-term changes
  D) has no specific pathway
  Show Answer
  The correct answer is C .
• Question 1079:

  The part that performs urinogenitalfunction in the male reproductive system is the?

  Options:
  A) seminal vesacle
  B) epididymis
  C) urethra
  D) ureter
  Show Answer
  The correct answer is C .
• Question 1080: Example of water-borne and sex linked diseases are Options:
  A) taeniasis and malaria
  B) cholera and gonorrhoea
  C) typhoid and syphilis
  D) dracunculiasis and haemophilia
  Show Answer
  The correct answer is D .