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 101:

  

  In the figure above the structure which prevents friction between the bones is

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  E) 5
  Show Answer
  The correct answer is B .
• Question 102:

  Which process in the nutrient cycle converts atmospheric nitrogen into a form that plants can utilize?

  Options:
  A) Denitrification
  B) Nitrogen fixation
  C) Ammonification
  D) Nitrification
  Show Answer
  The correct answer is B .
• Question 103: A characteristic of the phylum coelenterata is that Options:
  A) most of them are marine
  B) they possess a gut with a single opening
  C) thy possess numerous pores on their body
  D) they are bilaterally symmetrical
  Show Answer
  The correct answer is B .
• Question 104: The essential structural difference between hydra and tapeworm is that while Hydra Options:
  A) has tentacles, tapeworm is parasitic
  B) is diploblastic, tapeworm is triplobastic
  C) has a mouth, tapeworm feeds by suckers
  D) has mesoderm, tapeworm has mesogloea
  Show Answer
  The correct answer is B .
• Question 105: The axial skeleton of a mammal does not include the bones of the Options:
  A) skull
  B) tail
  C) limbs
  D) back
  E) neck
  Show Answer
  The correct answer is C .
• Question 106: A major difference between platyhelminthees and coelenterates is that platyhelminthes Options:
  A) are multicellular
  B) have developed a mesoderm
  C) reproduce sexually
  D) reproduce asexually
  Show Answer
  The correct answer is B .
• Question 107: The vector that transmit trypanosome is the Options:
  A) butterfly
  B) housefly
  C) mosquito
  D) tsetse fly
  Show Answer
  The correct answer is D .
• Question 108: The physical and climatic factors of a region primarily determine the Options:
  A) kinds of animal inhabiting the area
  B) types of plants found in the area
  C) nature of the soil in that region
  D) community of organisms in the region
  Show Answer
  The correct answer is D .
• Question 109:

  Which of the following is an evolutionary trend commonly observed in organisms?

  Options:
  A) Decreased complexity over time
  B) Increased dependence on external resources
  C) Increased genetic diversity within populations
  D) Decreased adaptation to the environment
  Show Answer
  The correct answer is C .
• Question 110:

  The cytoplasm of a cell is considered a very important component because it

  Options:
  A) regulates the amount of energy in the cell
  B) suspends all cell organelles
  C) is the outermost part of the cell
  D) is solely responsible for cell division
  Show Answer
  The correct answer is B .