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 91: A step in the movement of energy through an ecosystem is a description that best fits the term Options:
  A) food chain
  B) trophic level
  C) pyramid of numbers
  D) food web
  Show Answer
  The correct answer is B .
• Question 92:

  What is the definition of population ecology?

  Options:
  A) The study of interactions between organisms and their physical environment
  B) The study of evolutionary processes and their effects on populations
  C) The study of interactions between different populations in an ecosystem
  D) The study of the distribution and abundance of individuals within a species
  Show Answer
  The correct answer is D .
• Question 93:

  

  What is the part marked X in the figure above called?

  Options:
  A) Pulmonary artery
  B) Pulmonary vein
  C) Vena cava
  D) Main aorta
  E) Hepatic artery
  Show Answer
  The correct answer is A .
• Question 94: Which of the following is caused by Treponema palladium? Options:
  A) Gonorrhea
  B) Leprosy
  C) Tuberculosis
  D) Syphilis
  Show Answer
  The correct answer is D .
• Question 95: An example of an endospermous seed is Options:
  A) maize gain
  B) cashew nut
  C) cotton seed
  D) been seed
  Show Answer
  The correct answer is A .
• Question 96: Which of the following constitute pollution? Options:
  A) Droppings from birds
  B) loud disco sound
  C) A pack of cigarettes
  D) Refuse in an incinerator
  Show Answer
  The correct answer is B .
• Question 97: If a person is bitten by a snake on the leg, it is advisable for him to Options:
  A) keep moving so that the venom will ooze out with bleeding
  B) Wash the wound with water containing antiseptic
  C) bandage the wound so that germs do not get in through it
  D) Keep still and apply a tourniquet above the wound
  Show Answer
  The correct answer is D .
• Question 98: The radicle of a bean seedling grows most rapidly in the region Options:
  A) of the root tip
  B) just above the root tip
  C) just around the root tip
  D) just below the root tip
  Show Answer
  The correct answer is B .
• Question 99:

  Which of the following statements is true regarding cell growth?

  Options:
  A) Cell growth is solely influenced by external factors
  B) Cell growth is a continuous process throughout the life of a cell
  C) Cell growth involves an increase in the number of organelles within a cell
  D) Cell growth occurs by cell division
  Show Answer
  The correct answer is D .
• Question 100: Which of the following features of euglena is found only in animals? Options:
  A) Paramylum granules
  B) Flagellum
  C) Pellicle
  D) Pyrenoid
  Show Answer
  The correct answer is C .