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 191: In fish the sense organs which detect movements in water are located within the Options:
  A) gills
  B) operculum
  C) nostrils
  D) median fin
  E) lateral line
  Show Answer
  The correct answer is E .
• Question 192: An arthropod that is destructive at early stage of its life cycle is Options:
  A) butterfly
  B) mosquito
  C) bee
  D) millepede
  Show Answer
  The correct answer is A .
• Question 193:

  Which is an animal without red blood cells?

  Options:
  A) Frog
  B) Earthworm
  C) Snake
  D) Peacock
  Show Answer
  The correct answer is B .
• Question 194: The feature that distinguish the toad or frog from the fish is the absence of Options:
  A) scales
  B) lungs
  C) paired appendages
  D) a tail
  E) skin glands
  Show Answer
  The correct answer is A .
• Question 195: The filament of spirogyra were put into equal volumes of sugar solutions X and Y. After 5 minutes, filaments from solution X had their cells contents rounded up while those from Y were unaffected. The experiment shows that Options:
  A) solution X was stronger than Y
  B) solution Y was stronger than X
  C) Spirogyra used up the sugar in solution X
  D) solution X is good for stimulating sexual reproduction in Spirogyra
  E) solution Y was less contaminated than X
  Show Answer
  The correct answer is A .
• Question 196: Which of the following factors can reduce the population of a community? Options:
  A) Immigration
  B) edaphic
  C) predation
  D) mutualism
  Show Answer
  The correct answer is C .
• Question 197:

  

  In the figure above the structured labelled X is the

  Options:
  A) cellulose cell wall
  B) plasma membrane
  C) nuclear membrane
  D) mucilage wall
  E) ectoplasm
  Show Answer
  The correct answer is D .
• Question 198: The number of plants species obtained from a population study of a garden is as follows: Guinea grass (15), Ipomea spp (5), sida spp (7) and Imperata spp (23). What is the percentage of occurrence of Imperata spp? Options:
  A) 35%
  B) 16%
  C) 46%
  D) 23%
  Show Answer
  The correct answer is C .
• Question 199: Which of the following statements is TRUE of inhalation of air by man? Options:
  A) The ribs are not raised
  B) Diaphragm is raised
  C) Intercostal muscles relax
  D) Pressure of the thoracic cavity increase
  E) Size of thoracic cavity increase
  Show Answer
  The correct answer is E .
• Question 200: In human reproduction, the zygote formed as a result of fertilization gets attached to the wall of the uterus. The process is called Options:
  A) Sexual reproduction
  B) Cohesion
  C) Pregnancy
  D) Implantation
  E) Viviparity
  Show Answer
  The correct answer is D .