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 2001: Banana, plantain and pineapple can be grouped together because they Options:
  A) produce small seeds
  B) are multiple fruit
  C) produce suckers
  D) have runners
  E) have bulbils
  Show Answer
  The correct answer is C .
• Question 2002: Gestation in mammals is the period Options:
  A) required for growth after birth
  B) between the formation of the foetus and birth
  C) of development from zygote to birth
  D) before the formation of the zygote
  Show Answer
  The correct answer is B .
• Question 2003: The process of soil erosion is usually from Options:
  A) rill → sheet → gully
  B) gully → rill → sheet
  C) sheet → guly → rill
  D) sheet → rill → gully
  E) rill → gully → sheet
  Show Answer
  The correct answer is D .
• Question 2004:

  The overall reaction in glycolysis can be summarised as

  Options:
  A) C${}_6$H${}_{12}$O${}_6$ -----> C${}_3$H${}_4$O${}_3$ + 4H + ATP
  B) C${}_6$H${}_{12}$O${}_6$ -----> 2C${}_3$H${}_4$O${}_3$ + 4H + 2ATP
  C) C${}_6$H${}_{12}$O${}_6$ -----> 2C${}_3$H${}_4$O${}_3$ + 4H + ADP
  D) C${}_6$H${}_{12}$O${}_6$ -----> 2C${}_3$H${}_4$O${}_3$ + 4H + 2ADP
  Show Answer
  The correct answer is B .
• Question 2005:

  

  Use the diagram above to answer this question.Arrows represent directional movement materials.

  Transportation in the xylem is represented by

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is D .
• Question 2006: The two normal types of sex chromosomes are Options:
  A) XXY and XYY
  B) XX and XYY
  C) XY and XXY
  D) XXand XY
  Show Answer
  The correct answer is D .
• Question 2007: Which of these is not a part of the feather of a bird? Options:
  A) Wing
  B) aftershaft
  C) Inferior umblilicus
  D) Vane
  E) Barbule
  Show Answer
  The correct answer is A .
• Question 2008: Below are some group of diseases. Which group of diseases is caused by bacteria? Options:
  A) Tuberculosis, smallpox
  B) Gonorrhoea, measles
  C) Tuberculosis, polio
  D) Sleeping sickness, measles
  E) Syphilis, gonorrhoea
  Show Answer
  The correct answer is E .
• Question 2009:

  The above organism can be classified under which phylum in the animal kingdom

  Options:
  A) Nematoda
  B) Chordata
  C) Porifera
  D) Annelida
  Show Answer
  The correct answer is B .
• Question 2010:

  

  In the diagram, A unique characteristic that distinguishes the class of vertebrates represented from other vertebrates is the presence of

  Options:
  A) two pair of limbs
  B) scales on the lower legs
  C) a pair of wings
  D) a covering of feathers
  Show Answer
  The correct answer is D .