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 531: 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 532:

  The sequence of the one-way gaseous exchange mechanism in a fish is?

  Options:
  A) mouth --> operculum -> gills
  B) mouth -> gills > operculum
  C) operculum > gills -> mouth
  D) gills -> operculum --> mouth
  Show Answer
  The correct answer is B .
• Question 533:

  Which of the following is a difference between plant and animal cells?

  Options:
  A) Plant cells have a nucleus, while animal cells do not
  B) Plant cells have a cell membrane, while animal cells have a cell wall
  C) Plant cells contain chloroplasts for photosynthesis, while animal cells do not
  D) Plant cells have a central vacuole, while animal cells have multiple small vacuoles
  Show Answer
  The correct answer is C .
• Question 534: The smallest living organism which share the characteristics of both living and non-living matter are Options:
  A) bacteria
  B) fungi
  C) viruses
  D) protozoa
  Show Answer
  The correct answer is C .
• Question 535:

  

  Use the diagram above to answer this question.

  The function of the structure labelled l is to

  Options:
  A) stimulate the development of secondary sexual characters
  B) prepare the body for any emergency
  C) maintain proper glucose concentration in the blood
  D) regulate the activities of other endocrine glands
  Show Answer
  The correct answer is D .
• Question 536:

  

  Use the diagram above to answer this question.

  The structure that controls loss of water vapour during transpiration is labelled

  Options:
  A) l
  B) ll
  C) lll
  D) lV
  Show Answer
  The correct answer is D .
• Question 537: A gene which expresses itself only in the homozygous condition is Options:
  A) a mutant
  B) dominant
  C) recessive
  D) lethal
  Show Answer
  The correct answer is C .
• Question 538:

  The sum total of adaptive changes from pre-existing form that have taken place over a long time resulting in diversity of forms, structures and functions among organism is referred to as

  Options:
  A) Specification
  B) Inorganic Evolution
  C) Evolution
  D) Organic Evolution
  Show Answer
  The correct answer is D .
• Question 539:

  

  The function of the part labelled V is for the passage of

  Options:
  A) pollen tube and pollen nucleus
  B) air, water and pollen nucleus
  C) air, antipodal cells and ovum
  D) synergids and egg cell
  Show Answer
  The correct answer is A .
• Question 540: Coordination and regulation of body activities in mammals are achieved by the Options:
  A) nerves and muscle
  B) nerves and hormones
  C) nerves only
  D) hormones only
  Show Answer
  The correct answer is B .